Blair Seth Lewis, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

156442-1 Issued in NY

Practice address

1067 5TH Ave
New York, NY 10128-0101

Phone

(212) 369-6600

Fax

(212) 369-8975

NPI assigned

Sep 27, 2006

Last updated

Jul 20, 2026By the provider in NPPES

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 NY

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

Gastroenterology

Education

Other, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Blair S Lewis MD PCGroup PAC ID 3274690904, 2 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Greenwood Leflore Hospital Hospital, Greenwood, MS, CCN 250099

Merit-based Incentive Payment System (MIPS)

Final score

91.81 of 100Reported as individual

Quality

87.36

Promoting interoperability

100

Improvement activities

40

Cost

85.35

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: blair.lewis.1@1808.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/1808/brand/1/csg/1/fhir/r4

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

• Blair S. Lewis, M.D.,P.C.

  • Gastroenterology Physician
  • New York, NY
  • NPI 1306084892
  Medicare reassignment Care Compare group NPD Authorized official
• St Kilda Medical Service,PLLC

  • Specialist
  • New York, NY
  • NPI 1528378668
  Authorized official Same address or phone

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

• State of Mississippi - University of Mississippi Medical Center

  dba UMMC Greenwood Hospital

  • General Acute Care Hospital
  • Greenwood, MS
  • NPI 1699714717
  Care Compare affiliation

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

{
    "created_epoch": "1159315200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1689765521",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1067 5TH AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101280101",
            "telephone_number": "212-369-6600",
            "fax_number": "212-369-8975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1067 5TH AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101280101",
            "telephone_number": "212-369-6600",
            "fax_number": "212-369-8975"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEWIS",
        "first_name": "BLAIR",
        "middle_name": "SETH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-27",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "156442-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley Marie Lewis
• Avril J Lewis
• Barbara Ann Lewis, PH.D.
• Benjamin Henry Lewis
• Blair Lewis, MD
• Bradley Lewis, MD
• Brenda A Lewis, LCSW
• Brittany Chineda Lewis
• Carol D Lewis, PHD
• Caroline Ashley Lewis, MD

• Gastroenterology Physician in New York, NY
• Providers in New York, NY by specialty
• Gastroenterology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 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.