Rekha Hari Nair, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

231846 Issued in MA

Practice address

176 E Main St
Westborough, MA 01581-1763

Phone

(425) 615-1623

Fax

(508) 389-4919

NPI assigned

Jun 1, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Oct 1, 2026 through Oct 1, 2028

Specialty

Internal Medicine

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rekha.nair.npi1013119221.reliant@direct.optumcare.masshiway.net

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.

• Rhythm Medical LLC

  • Primary Care Clinic/Center
  • Westborough, MA
  • NPI 1538974845
  NPD Authorized official
• Reliant Medical Group, Inc

  • Family Medicine Physician
  • Worcester, MA
  • NPI 1720017528

  Internal Medicine

  NPD

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

• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation

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

{
    "created_epoch": "1180656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739232000000",
    "number": "1013119221",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "176 E MAIN ST STE 4",
            "city": "WESTBOROUGH",
            "state": "MA",
            "postal_code": "015811763",
            "telephone_number": "425-615-1623",
            "fax_number": "508-389-4919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "176 E MAIN ST",
            "city": "WESTBOROUGH",
            "state": "MA",
            "postal_code": "015811763",
            "telephone_number": "425-615-1623",
            "fax_number": "508-389-4919"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAIR",
        "first_name": "REKHA",
        "middle_name": "HARI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-06-01",
        "last_updated": "2025-02-11",
        "certification_date": "2025-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD6024053",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "231846",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110077532A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Allan Musoke
• N.a.L Dental PLLC
• Lucette Nadle, D.O.
• Arnold Nadler, D.D.S.
• Narasimhan Nagan, PH.D., FACMG
• National Grid
• Zainab Nawab, M.D.
• Grace Naylor
• NE Behavioral Health Inc
• Khuong Nguyen, O.D.

• Internal Medicine Physician in Westborough, MA
• Providers in Westborough, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 2025; 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; Opt Out Affidavits.
• 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.