Donglin Zhang, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

C209211 Issued in CA

Practice address

320 Pomfret St
Putnam, CT 06260-1836

Phone

(860) 928-6541

NPI assigned

Jan 23, 2009

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

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, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Day Kimball Medical Group IncGroup PAC ID 1557514411, 91 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Day Kimball Hospital Hospital, Putnam, CT, CCN 070003

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: donglin.zhang.npi1477791705.reliant@direct.optumcare.masshiway.net
• FHIR API: https://api.platform.athenahealth.com/1694/brand/19/csg/48/fhir/r4

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.

• Day Kimball Medical Group Inc

  • Family Medicine Physician
  • Putnam, CT
  • NPI 1376813972
  Medicare reassignment Care Compare group NPD
• Nes Medical Services of Northern Connecticut, P.C.

  • Emergency Medicine Physician
  • Putnam, CT
  • NPI 1447231865
  Medicare reassignment NPD
• Nes Medical Services of Northern Connecticut, P.C.

  • Emergency Medicine Physician
  • Stafford Springs, CT
  • NPI 1194450478
  NPD

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

• Day Kimball Healthcare, Inc.

  • General Acute Care Hospital
  • Putnam, CT
  • NPI 1205056371
  Care Compare affiliation
• Day Kimball Healthcare, Inc.

  • General Acute Care Hospital
  • Putnam, CT
  • NPI 1649243478
  Care Compare affiliation

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

{
    "created_epoch": "1232668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1477791705",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "28 HICKORY DR",
            "city": "SHREWSBURY",
            "state": "MA",
            "postal_code": "015454033",
            "telephone_number": "508-306-4539"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 POMFRET ST",
            "city": "PUTNAM",
            "state": "CT",
            "postal_code": "062601836",
            "telephone_number": "860-928-6541"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZHANG",
        "first_name": "DONGLIN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-01-23",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C209211",
            "primary": true
        },
        {
            "code": "282N00000X",
            "taxonomy_group": "",
            "desc": "General Acute Care Hospital",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amanda Yagan
• David Lee Yeager, M.D.
• Meghan Youmell
• Cillian J Young
• Holman Yu, DMD
• Tamara S Zimmer, OTR/L

• Internal Medicine Physician in Putnam, CT
• Providers in Putnam, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.