Thomas A Bayer, MD

Primary specialty

Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X

License

MD17811 Issued in RI

Practice address

375 Wampanoag TRL
Riverside, RI 02915-2232

Phone

(401) 649-4010

Fax

(401) 649-4011

NPI assigned

Apr 4, 2011

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in RI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Coastal Medical Physicians IncGroup PAC ID 0345658316, 222 clinicians

Brown MedicineGroup PAC ID 0446159776, 220 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Brown Medicine

  • Internal Medicine Physician
  • Riverside, RI
  • NPI 1689626764

  Internal Medicine, RI

  Medicare reassignment Care Compare group NPD
• Coastal Medical Physicians, Inc.

  • Internal Medicine Physician
  • Providence, RI
  • NPI 1780273540

  Internal Medicine, RI

  Medicare reassignment Care Compare group NPD
• Brown Medicine

  • Gastroenterology Physician
  • Providence, RI
  • NPI 1730827767
  Care Compare group NPD
• Brown Medicine

  • Ambulatory Surgical Clinic/Center
  • East Providence, RI
  • NPI 1881101335
  Care Compare group
• Coastal Medical Physicians, Inc.

  • Internal Medicine Physician
  • Riverside, RI
  • NPI 1093678104

  Internal Medicine

  NPD
• Chiromed LTD

  • Chiropractor
  • Belleville, IL
  • NPI 1962403907
  NPD (past)
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1194765685
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1301875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1710276316",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 LA SALLE SQ",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029031814",
            "telephone_number": "401-444-6779"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 WAMPANOAG TRL",
            "city": "RIVERSIDE",
            "state": "RI",
            "postal_code": "029152232",
            "telephone_number": "401-649-4010",
            "fax_number": "401-649-4011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAYER",
        "first_name": "THOMAS",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-04-04",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "RI",
            "license": "MD17811",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Linda Barber, CRNA
• Kayla Whiting Barrett, DPT
• Francis X. Basile, MD
• Dean Jeffrey Batteson, NP
• Jean Margaret Baxendale, MSW
• George P Bayliss, M.D.
• Melanie Bechtel, LCSW
• Christina Bedetta Willett, RD, LDN
• Christine R. Behn, SLP
• Devin Belasco, PTA

• All providers in Riverside, RI
• Geriatric Medicine (Internal Medicine) Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.