Dr. Allan G. Coates
Last updated: Oct 31, 2025

Dr. Allan G. Coates

  • Gender: Male
  • Experience: 41 years
  • Graduation year: 1980
  • Sole propriator: No
  • NPI: 1972510378

Dr. Allan G. Coates DO

Gastroenterologist

He is located at 2093 Health Drive Southwest Suite 201 in Wyoming, MI 49519. Can help patients with the following: Ascites, Gallbladder Pain, General Care, Hepatitis C (HCV), Indigestion, Primary Biliary Cirrhosis (PBC). His National Provider Identifier (NPI) number is 1972510378. Appointment can be made via the phone number (616) 452-7099. He is affiliated with 2 practices and 5 hospitals.

Conditions treated

Dr. Allan G. Coates, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Allan G. Coates.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Ascites
  • Asthma
  • Atherosclerosis
  • Autoimmune Hepatitis
  • Bad Breath
  • Barrett's Esophagus
  • Bladder Control
  • Bleeding Varices
  • Blood in Stool
  • Botulism
  • Cancer
  • Carcinoid Tumor
  • Celiac Disease
  • Chest Pain
  • Childhood Obesity
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cirrhosis
  • Clostridium Difficile Colitis
  • Colitis
  • Colonoscopy
  • Common Cold
  • Constipation
  • Crohn's Disease
  • Cystitis
  • Diarrhea
  • Diverticulosis
  • Edema
  • Eosinophilic Esophagitis
  • Esophagitis
  • Fatty Liver Disease
  • Feeding and Swallowing
  • Fever
  • Food Allergies
  • Gallbladder Pain
  • Gastric Bypass Surgery
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastroparesis
  • General Care
  • Headache
  • Heart Disease
  • Heartburn
  • Helicobacter Pylori Infection
  • Hemorrhoids
  • Hepatitis A (HAV)
  • Hepatitis B (HBV)
  • Hepatitis C (HCV)
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Indigestion
  • Inflammatory Bowel Disease (IBD)
  • Influenza
  • Inguinal Hernia
  • Internal Bleeding
  • Intussusception
  • Irritable Bowel Syndrome (IBS)
  • Lactose Intolerance
  • Leaky Gut Syndrome
  • Liver Disease
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Pancreas Divisum
  • Pancreatic Cancer
  • Pancreatic Cysts
  • Pancreatitis
  • Peptic Ulcer
  • Portal Hypertension
  • Prescription Refill
  • Primary Biliary Cirrhosis (PBC)
  • Primary Sclerosing Cholangitis (PSC)
  • Stomach Cancer
  • Swallowing Disorders
  • Ulcerative Colitis
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Allan G. Coates

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Allan G. Coates as in-network for the following 2026 plans.

Health plans

Ambetter from Meridian

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 9 plans from Ambetter from Meridian
Ambetter from Meridian plans
Plan Plan type Network tier New patients
Clear Silver HMO · Silver Preferred Accepting new patients
Elite Gold HMO · Gold Preferred Accepting new patients
Elite Gold + Vision + Adult Dental HMO · Gold Preferred Accepting new patients
Everyday Gold HMO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental HMO · Gold Preferred Accepting new patients
Standard Gold HMO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental HMO · Gold Preferred Accepting new patients
Standard Silver HMO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental HMO · Silver Preferred Accepting new patients

Blue Care Network of Michigan

Network data as of Aug 19, 2026, as reported by the insurer.

Show all 16 plans from Blue Care Network of Michigan
Blue Care Network of Michigan plans
Plan Plan type Network tier New patients
Blue Cross® Preferred HMO Bronze Extra HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Preferred HMO Bronze Saver HSA HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Preferred HMO Bronze Secure HMO · Bronze Null Accepting new patients
Blue Cross® Preferred HMO Gold HMO · Gold Null Accepting new patients
Blue Cross® Preferred HMO Gold Extra HMO · Gold Null Accepting new patients
Blue Cross® Preferred HMO Silver HMO · Silver Null Accepting new patients
Blue Cross® Preferred HMO Silver Extra HMO · Silver Null Accepting new patients
Blue Cross® Preferred HMO Silver Saver HMO · Silver Null Accepting new patients
Blue Cross® Preferred HMO Value HMO · Catastrophic Null Accepting new patients
Blue Cross® Select HMO Bronze Extra HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Select HMO Bronze Saver HSA HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Select HMO Bronze Secure HMO · Bronze Null Accepting new patients
Blue Cross® Select HMO Silver HMO · Silver Null Accepting new patients
Blue Cross® Select HMO Silver Extra HMO · Silver Null Accepting new patients
Blue Cross® Select HMO Silver Saver HMO · Silver Null Accepting new patients
Blue Cross® Select HMO Value HMO · Catastrophic Null Accepting new patients

Blue Cross Blue Shield of Michigan Mutual Insurance Company

Network data as of Aug 19, 2026, as reported by the insurer.

Show all 9 plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company
Blue Cross Blue Shield of Michigan Mutual Insurance Company plans
Plan Plan type Network tier New patients
Blue Cross® Premier PPO Bronze Extra PPO · Expanded Bronze Null Accepting new patients
Blue Cross® Premier PPO Bronze Saver HSA PPO · Expanded Bronze Null Accepting new patients
Blue Cross® Premier PPO Bronze Secure PPO · Bronze Null Accepting new patients
Blue Cross® Premier PPO Gold PPO · Gold Null Accepting new patients
Blue Cross® Premier PPO Gold Extra PPO · Gold Null Accepting new patients
Blue Cross® Premier PPO Silver PPO · Silver Null Accepting new patients
Blue Cross® Premier PPO Silver Extra PPO · Silver Null Accepting new patients
Blue Cross® Premier PPO Silver Saver HSA PPO · Silver Null Accepting new patients
Blue Cross® Premier PPO Value PPO · Catastrophic Null Accepting new patients

McLaren Health Plan Community

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 27 plans from McLaren Health Plan Community
McLaren Health Plan Community plans
Plan Plan type Network tier New patients
MHP Bronze HMO · Bronze In Network Accepting new patients
MHP Bronze HMO · Bronze Out of Network Accepting new patients
MHP Bronze HMO · Bronze Rewards Accepting new patients
MHP Bronze Saver (Expanded) HMO · Expanded Bronze In Network Accepting new patients
MHP Bronze Saver (Expanded) HMO · Expanded Bronze Out of Network Accepting new patients
MHP Bronze Saver (Expanded) HMO · Expanded Bronze Rewards Accepting new patients
MHP Expanded Bronze Standard HMO · Expanded Bronze In Network Accepting new patients
MHP Expanded Bronze Standard HMO · Expanded Bronze Out of Network Accepting new patients
MHP Expanded Bronze Standard HMO · Expanded Bronze Rewards Accepting new patients
MHP Gold HMO · Gold In Network Accepting new patients
MHP Gold HMO · Gold Out of Network Accepting new patients
MHP Gold HMO · Gold Rewards Accepting new patients
MHP Gold Standard HMO · Gold In Network Accepting new patients
MHP Gold Standard HMO · Gold Out of Network Accepting new patients
MHP Gold Standard HMO · Gold Rewards Accepting new patients
MHP Silver Exchange HMO · Silver In Network Accepting new patients
MHP Silver Exchange HMO · Silver Out of Network Accepting new patients
MHP Silver Exchange HMO · Silver Rewards Accepting new patients
MHP Silver Exchange Rewards HMO · Silver In Network Accepting new patients
MHP Silver Exchange Rewards HMO · Silver Out of Network Accepting new patients
MHP Silver Exchange Rewards HMO · Silver Rewards Accepting new patients
MHP Silver Standard HMO · Silver In Network Accepting new patients
MHP Silver Standard HMO · Silver Out of Network Accepting new patients
MHP Silver Standard HMO · Silver Rewards Accepting new patients
MHP Young Adult/Catastrophic HMO · Catastrophic In Network Accepting new patients
MHP Young Adult/Catastrophic HMO · Catastrophic Out of Network Accepting new patients
MHP Young Adult/Catastrophic HMO · Catastrophic Rewards Accepting new patients

Priority Health

Network data as of Aug 26, 2026, as reported by the insurer.

Show all 9 plans from Priority Health
Priority Health plans
Plan Plan type Network tier New patients
MyPriority Balanced Silver HMO · Silver Mypriority HMO Accepting new patients
MyPriority Premier Silver HMO · Silver Mypriority HMO Accepting new patients
MyPriority Standard Bronze HMO · Expanded Bronze Mypriority HMO Accepting new patients
MyPriority Standard Bronze - Travel HMO · Expanded Bronze Mypriority HMO Accepting new patients
MyPriority Standard Gold HMO · Gold Mypriority HMO Accepting new patients
MyPriority Standard Silver HMO · Silver Mypriority HMO Accepting new patients
MyPriority Standard Silver - Travel HMO · Silver Mypriority HMO Accepting new patients
MyPriority Value Bronze HMO · Expanded Bronze Mypriority HMO Accepting new patients
MyPriority Value Bronze HSA HMO · Expanded Bronze Mypriority HMO Accepting new patients

UnitedHealthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 13 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Bronze Copay Focus (No Referrals) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Essential (No Referrals) HMO · Bronze Non Preferred Accepting new patients
UHC Bronze Essential+ (Dental + Vision, No Referrals) HMO · Bronze Non Preferred Accepting new patients
UHC Bronze Standard (No Referrals) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Gold Advantage (No Referrals) HMO · Gold Non Preferred Accepting new patients
UHC Gold Advantage+ (Dental + Vision, No Referrals) HMO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus (No Referrals) HMO · Gold Non Preferred Accepting new patients
UHC Gold Standard (No Referrals) HMO · Gold Non Preferred Accepting new patients
UHC Silver Advantage (No Referrals) HMO · Silver Non Preferred Accepting new patients
UHC Silver Advantage+ (Dental + Vision, No Referrals) HMO · Silver Non Preferred Accepting new patients
UHC Silver Standard (No Referrals) HMO · Silver Non Preferred Accepting new patients
UHC Silver Value (No Referrals) HMO · Silver Non Preferred Accepting new patients
UHC Silver Value+ (Dental + Vision, No Referrals) HMO · Silver Non Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Allan G. Coates is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Allan G. Coates is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .

Bills through: Sheridan Community Hospital

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Forest Pharmaceuticals $1356
AbbVie $691
Janssen $656

Other

Food and Beverage $3354
Promotional Speaking or Service $1250

Studies

Graduated in 1980

Additional Specialities

  • Internist

Affiliated practices

Gastroenterology Associates of Western Michigan
2093 Health Drive Southwest
Wyoming, 49519 MI
(616) 452-7099
Gastroenterology Consultants of South Texas
512 Victoria Lane
Harlingen, 78550 TX
(956) 365-4400

Affiliated hospitals

SPECTRUM HEALTH BIG RAPIDS HOSPITAL
605 OAK STREET
BIG RAPIDS, 49307 MI
(231) 796-8691
SPECTRUM HEALTH REED CITY HOSPITAL
300 N PATTERSON, PO BOX 75
REED CITY, 49677 MI
(231) 832-3271
METRO HEALTH HOSPITAL
5900 BYRON CENTER AVENUE, SW
WYOMING, 49519 MI
(616) 252-7200
SPECTRUM HEALTH UNITED HOSPITAL
615 S BOWER STREET
GREENVILLE, 48838 MI
(616) 754-4691
SHERIDAN COMMUNITY HOSPITAL
301 N MAIN ST
SHERIDAN, 48884 MI
(989) 291-3261

Looking for more Gastroenterologists?

There are 8 other gastroenterologists in this region.

Dr. Ammar Zahid Hassan
  • Gender: Male
  • Address: Suite 302 2093 Health Drive Southwest Wyoming, 49519, MI
Dr. Vladimir Ferrer
  • Gender: Male
  • Address: 16410 Healthpark Commons Drive Fort Myers, 33908, FL
Dr. John D. Serini
  • Gender: Male
  • Address: Suite 101 2093 Health Drive Southwest Wyoming, 49519, MI
Dr. Armita Ghoddousi
  • Gender: Female
  • Address: 2093 Health Drive Southwest Wyoming, 49519, MI
Dr. Tammy Theresa Tran
  • Gender: Female
  • Address: 310 Lafayette Avenue Southeast Suite 200 Grand Rapids, 49503, MI
Dr. Qasim Omran
  • Gender: Male
  • Address: 35700 Warren Road Westland, 48185, MI
Dr. Ryan Daniel Hamby
  • Gender: Male
  • Address: Suite 302 2093 Health Drive Southwest Wyoming, 49519, MI
Dr. Luke Alan Deroo
  • Gender: Male
  • Address: Suite 302 2093 Health Drive Southwest Wyoming, 49519, MI

Questions & Answers

Where can you meet with Dr. Allan G. Coates?

Dr. Allan G. Coates's office is located at 2093 Health Drive Southwest Suite 201 in Wyoming, MI 49519.

Has Dr. Allan G. Coates affiliation with hospitals?

Dr. Allan G. Coates is affiliated with SPECTRUM HEALTH BIG RAPIDS HOSPITAL. For the full list of hospitals see this list.

What conditions does Dr. Allan G. Coates treat?

Dr. Allan G. Coates provides treatment for Ascites, Gallbladder Pain, General Care, Hepatitis C (HCV), Indigestion, Primary Biliary Cirrhosis (PBC). For the full list see this list.

Does Dr. Allan G. Coates have affiliation with practices?

Dr. Allan G. Coates is affiliated with Gastroenterology Associates of Western Michigan. For the full list of practices see this list.

Does Dr. Allan G. Coates accept patients with Priority Health?

Yes, Dr. Allan G. Coates is listed in-network for Priority Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.