Adam Christopher Winters, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD29191 Issued in ME

Practice address

48 Gilman St
Portland, ME 04102-3004

Phone

(207) 661-4400

Fax

(207) 810-2363

NPI assigned

Mar 22, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, ME2 enrollments

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 2

Specialty

GastroenterologyAlso: Internal Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Maine Medical Center Hospital, Portland, ME, CCN 200009
• Memorial Hospital, the Hospital, North Conway, NH, CCN 301307
• Maine General Medical Center Hospital, Augusta, ME, CCN 200039
• Mainehealth Mid Coast Hospital Hospital, Brunswick, ME, CCN 200021

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: awinters910361@direct.mmc.mainehealth.org

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.

• Mainehealth

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  Medicare reassignment Care Compare group NPD
• Icahn School of Medicine at Mount Sinai

  • Transplant Surgery Physician
  • New York, NY
  • NPI 1588937064

  Internal Medicine

  Medicare reassignment NPD
• Mainehealth

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Gynecologic Oncology Physician
  • Scarborough, ME
  • NPI 1851605455
  NPD
• Icahn School of Medicine at Mount Sinai

  • Eyewear Supplier
  • New York, NY
  • NPI 1760227466
  NPD
• Mainehealth

  • Family Medicine Physician
  • Portland, ME
  • NPI 1629761978

  Internal Medicine

  NPD (past)
• Mount Sinai Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1932103413
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mainehealth

  • Orthopaedic Trauma Physician
  • Portland, ME
  • NPI 1003113127

  Hospital

  Care Compare affiliation
• Mainehealth

  • Internal Medicine Physician
  • Windham, ME
  • NPI 1023321593

  Hospital

  Care Compare affiliation
• Mainehealth

  • General Acute Care Hospital
  • Scarborough, ME
  • NPI 1053647024
  Care Compare affiliation
• Mainehealth

  • Maternal & Fetal Medicine Physician
  • Portland, ME
  • NPI 1063726891

  Hospital

  Care Compare affiliation
• Mainehealth

  • Infectious Disease Physician
  • Portland, ME
  • NPI 1073701157

  Hospital

  Care Compare affiliation
• Mainehealth

  • Geriatric Medicine (Internal Medicine) Physician
  • Portland, ME
  • NPI 1164610242

  Hospital

  Care Compare affiliation
• Mainehealth

  • Pediatric Critical Care Medicine Physician
  • Portland, ME
  • NPI 1265536817

  Hospital

  Care Compare affiliation
• Mainehealth

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1346267879
  Care Compare affiliation
• Mainehealth

  • Endocrinology, Diabetes & Metabolism Physician
  • Scarborough, ME
  • NPI 1356651038

  Hospital

  Care Compare affiliation
• Mainehealth

  • Surgery Physician
  • Portland, ME
  • NPI 1376981993

  Hospital

  Care Compare affiliation
• Mainehealth

  • Pediatric Urology Physician
  • Portland, ME
  • NPI 1457540486

  Hospital

  Care Compare affiliation
• Mainehealth

  • Gastroenterology Physician
  • Portland, ME
  • NPI 1477850592

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1426982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1700270352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "48 GILMAN ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023004",
            "telephone_number": "207-661-4400",
            "fax_number": "207-810-2363"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "48 GILMAN ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023004",
            "telephone_number": "207-661-4400",
            "fax_number": "207-810-2363"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9 Healthcare Dr Ste 202",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059450",
            "country_code": "US",
            "telephone_number": "207-283-1427",
            "fax_number": "207-294-3554",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Gustave L Levy Pl",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100296504",
            "country_code": "US",
            "telephone_number": "212-659-8551",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "22 Bramhall St",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "ME",
            "postal_code": "041023134",
            "country_code": "US",
            "telephone_number": "207-662-2273",
            "fax_number": "207-662-6038",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WINTERS",
        "first_name": "ADAM",
        "middle_name": "CHRISTOPHER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-22",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RT0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Transplant Hepatology",
            "state": "ME",
            "license": "MD29191",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "ME",
            "license": "MD29191",
            "primary": true
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hepatology",
            "state": "ME",
            "license": "MD29191",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "MD29191",
            "primary": false
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hepatology",
            "state": "NY",
            "license": "286887",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven S Winn, M.D.
• Alisa Marie Winnie, LCSW
• Elizabeth Lynn Winship
• Athena Winsor, DPT
• Amelia Rae Winter, MD
• Tess C. Winters, MD
• Tori Winton
• Yana R Wirengard, MD
• Danica Wirski, CRNA
• Jacob M Wisecup, LMSW-CC

• Gastroenterology Physician in Portland, ME
• Providers in Portland, ME by specialty
• Gastroenterology Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.