Sunanda Sairam Mattancheril, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

329912-01 Issued in NY

Practice address

1 Atwell Rd
Cooperstown, NY 13326-1301

Phone

(607) 547-3500

NPI assigned

Mar 23, 2020

Last updated

Aug 28, 2025By the provider in NPPES

Sex

Female

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, TX2 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

Psychiatry

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mary Imogene Bassett HospitalGroup PAC ID 3779488325, 780 clinicians

Geode Health of Texas, PLLCGroup PAC ID 2062896897, 158 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bassett Healthcare Hospital, Cooperstown, NY, CCN 330136

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Geode Health of Texas, PLLC

  • Psychiatry Physician
  • Allen, TX
  • NPI 1851037162
  Medicare reassignment Care Compare group NPD
• Mary Imogene Bassett Hospital

  dba Bassett Medical Center

  • Multi-Specialty Clinic/Center
  • Cooperstown, NY
  • NPI 1083664221
  Medicare reassignment Care Compare group
• BSW Geode Clinicians of Texas PLLC

  dba Geode Health 2

  • Psychiatry Physician
  • Allen, TX
  • NPI 1790482834
  Medicare reassignment

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

• Mary Imogene Bassett Hospital

  dba Bassett Healthcare

  • Rural Acute Care Hospital
  • Cooperstown, NY
  • NPI 1780600577
  Care Compare affiliation

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

{
    "created_epoch": "1584921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756339200000",
    "number": "1720614654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 ATWELL RD",
            "city": "COOPERSTOWN",
            "state": "NY",
            "postal_code": "133261301",
            "telephone_number": "607-547-3500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 ATWELL RD",
            "city": "COOPERSTOWN",
            "state": "NY",
            "postal_code": "133261301",
            "telephone_number": "607-547-3500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTANCHERIL",
        "first_name": "SUNANDA",
        "middle_name": "SAIRAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-23",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "329912-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Imogene Bassett Hospital
• Mary Imogene Bassett Hospital
• Mary Imogene Bassett Hospital (Bassett Healthcare)
• Mary Imogene Bassett Hospital (Bassett Healthcare)
• Ryan Marynowski, MS,CCC-SLP
• Paula W Matteson, M.S.
• John J May, M.D.
• Sarah Ann Maylin, LM, CM
• Kristine Mayton
• Heather Renee McAdams, LCSW

• Psychiatry Physician in Cooperstown, NY
• Providers in Cooperstown, NY by specialty
• Psychiatry Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 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.
• 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.