Summary

Dr. Thalia Mayes treats colon polyps, diverticular disease, and diverticulosis, and performs lower GI endoscopy and colonoscopy. She practices gastroenterology and internal medicine and is affiliated with Mainehealth Maine Medical Center in Portland, Maine. She earned her medical degree from the University of Rochester School of Medicine & Dentistry and has 24 years of experience. Dr. Mayes speaks English and Spanish.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3
  • 24 years of experience
  • 42 insurance plans accepted
  • speaks English, Spanish
  • University Of Rochester School Of Medicine & Dentistry
  • 9 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis

Office Locations

Dr. Thalia Mayes has 3 locations

Portland Gastroenterology Center

161 Marginal WayPortland, ME 04101
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Mainehealth Maine Medical Center

22 Bramhall StPortland, ME 04102

Northern Light Mercy Hospital

175 Fore River PkwyPortland, ME 04102

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Dr. Thalia Mayes, MDTheresa Obonyano, APRNHilary Mae BoutteDr. Russell William Davis III
GastroenterologyGastroenterologyNurse PractitionerNephrology
Accepts New Patients Accepts New Patients
3 
0 
0 
0 
24 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Portland , MESacramento , CAPORTLAND , MEPortland , ME
Med School: University Of Rochester School Of Medicine & Dentistry Med School: The University of Texas Health Science Center at Houston Med School: Liberty University College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Thalia Mayes

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • Aetna - Medicare (Advantage HMO)
  • Aetna - POS
  • Aetna - PPO
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Medicare (Advantage HMO)
  • CHAMPVA
  • Cigna
  • Community Health Options
  • Consolidated Health Plans
  • Empire Blue Cross Blue Shield
  • GEHA
  • GEHA - Federal Employees Program
  • Harvard Pilgrim Health Care
  • HealthPartners
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • Kaiser Permanente
  • Kaiser Permanente - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • STLDentalPlan| LLC
  • Tricare
  • Tricare - Federal Employees Program
  • UniCare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • US Family Health Plan
  • Wellcare
  • Wellcare - Medicare (Advantage HMO)

Medical Specialties

Dr. Thalia Mayes has the following 2 specialties

Specialty Expertise

Dr. Thalia Mayes has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Ulcerative Colitis

Certifications, License, & Education

24 Years Experience

Dr. Thalia Mayes holds an expired medical license in the state of Maine.

Medical License

Medical Doctor with an expired medical license in the state of Maine that expired in 2026.

Education & Training

Medical School

Graduated from University Of Rochester School Of Medicine & Dentistry in 2002.

NPI Number

Dr. Mayes' NPI number is 1033126826.

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Frequently Asked Questions

What languages does Dr. Thalia Mayes speak?
Dr. Thalia Mayes speaks English and Spanish.
Where is Dr. Thalia Mayes's office located?
Dr. Thalia Mayes's office is located at 161 Marginal Way, Portland, ME, 04101.
Which hospitals is Dr. Thalia Mayes affiliated with?
Dr. Thalia Mayes is affiliated with Mainehealth Maine Medical Center.
Does Dr. Thalia Mayes accept virtual/telehealth appointments?
Dr. Thalia Mayes has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Thalia Mayes accepting new patients?
Dr. Thalia Mayes is accepting new patients on Vitals. View Dr. Thalia Mayes's profile on Vitals to make an appointment.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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