Shamim Ahmed, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

82146 Issued in CT

Practice address

20 York St
New Haven, CT 06510-3220

Phone

(203) 688-4242

NPI assigned

Mar 21, 2021

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 WA, NY, CT3 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 3

Specialty

HospitalistAlso: Internal Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Samaritan Hospital of Troy, New YorkGroup PAC ID 6507770070, 258 clinicians

St Peters Hospital of the City of AlbanyGroup PAC ID 2668460072, 268 clinicians

The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

United Medical Associates PCGroup PAC ID 0345144978, 229 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Peter'S Hospital Hospital, Albany, NY, CCN 330057
• Samaritan Hospital of Troy, New York Hospital, Troy, NY, CCN 330180
• United Health Services Hospitals, Inc Hospital, Binghamton, NY, CCN 330394
• Harborview Medical Center Hospital, Seattle, WA, CCN 500064
• Southwestern Vermont Medical Center Hospital, Bennington, VT, CCN 470012

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sahmed4668197@direct.trinity-health.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.

• Samaritan Hospital of Troy, New York

  • General Acute Care Hospital
  • Troy, NY
  • NPI 1043267727

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• St. Peter'S Hospital of the City of Albany

  • General Acute Care Hospital
  • Albany, NY
  • NPI 1518042357

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• The Association of University Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• United Medical Associates PC

  • Clinic/Center
  • Binghamton, NY
  • NPI 1013972801
  Medicare reassignment Care Compare group NPD
• Northeast Medical Group, Inc.

  • Internal Medicine Physician
  • Bridgeport, CT
  • NPI 1043278351
  Medicare reassignment NPD
• Mill Hill Medical Consultants Inc

  • Cardiovascular Disease Physician
  • Greenwich, CT
  • NPI 1396755245
  NPD
• Samaritan Hospital of Troy, New York

  • General Acute Care Hospital
  • Troy, NY
  • NPI 1538606181

  Internal Medicine

  NPD
• St. Peter'S Hospital of the City of Albany

  • General Acute Care Hospital
  • Albany, NY
  • NPI 1497701106

  Internal Medicine

  NPD
• United Medical Associates, P.C.

  • Durable Medical Equipment & Medical Supplies
  • Binghamton, NY
  • NPI 1629252556
  NPD
• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  NPD (past)

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

• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  Care Compare affiliation
• Samaritan Hospital of Troy, New York

  • General Acute Care Hospital
  • Troy, NY
  • NPI 1043267727
  Care Compare affiliation
• Southwestern Vermont Medical Center Inc.

  • General Acute Care Hospital
  • Bennington, VT
  • NPI 1205865789
  Care Compare affiliation
• St. Peter'S Hospital of the City of Albany

  • General Acute Care Hospital
  • Albany, NY
  • NPI 1497701106
  Care Compare affiliation
• United Health Services Hospitals, Inc.

  • General Acute Care Hospital
  • Binghamton, NY
  • NPI 1518998699
  Care Compare affiliation

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

{
    "created_epoch": "1616284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1205412269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9525 75TH ST",
            "city": "OZONE PARK",
            "state": "NY",
            "postal_code": "114161007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "325 9th Ave",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981042420",
            "country_code": "US",
            "telephone_number": "206-744-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "33-57 Harrison St",
            "address_purpose": "LOCATION",
            "city": "Johnson City",
            "state": "NY",
            "postal_code": "137902107",
            "country_code": "US",
            "telephone_number": "607-763-6622",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "315 S Manning Blvd",
            "address_purpose": "LOCATION",
            "city": "Albany",
            "state": "NY",
            "postal_code": "122081789",
            "country_code": "US",
            "telephone_number": "518-525-1550",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AHMED",
        "first_name": "SHAMIM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-21",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD61531921",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "82146",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WA",
            "license": "MD61531921",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "331050",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "331050",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kashif Ishaq Ahmed, MD
• Rabeea Ahmed
• Saad Ahmed, MD
• Sameer Ahmed, MD
• Shah Ali Ahmed, MD
• Aaron Bin Ahn
• Aiden Hyuk Ahn
• Florence Jiyoung Ahn, PA-C
• Hyoeun Ahn
• Kyung Heup Ahn, M.D.

• Hospitalist Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Hospitalist Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.