Amaris McCord Keiser, M.D.

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

052332 Issued in CT

Practice address

5 Perryridge Rd
Greenwich, CT 06830-4608

Phone

(203) 863-3513

Fax

(203) 863-3816

NPI assigned

May 14, 2010

Sex

Female

Sole proprietor

No

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

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 and National Provider Directory roles.

• Greenwich Hospital

  • General Acute Care Hospital
  • Greenwich, CT
  • NPI 1609846088
  Medicare reassignment NPD
• Greenwich Hospital

  • Community Based Hospice Care Agency
  • Stanford, CT
  • NPI 1073637724
  NPD
• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  NPD (past)

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

{
    "created_epoch": "1273795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1427376466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 PERRYRIDGE RD",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068304608",
            "telephone_number": "203-863-3513",
            "fax_number": "203-863-3816"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 PERRYRIDGE RD",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068304608",
            "telephone_number": "203-863-3513",
            "fax_number": "203-863-3816"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEISER",
        "first_name": "AMARIS",
        "middle_name": "MCCORD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-05-14",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "MD",
            "license": "D0082444",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "CT",
            "license": "052332",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brian F Kavanagh, M.D.
• Richelle Kaye, PT
• KBW Enterprises (Prestige Home Care of Greenwich)
• Taylor Kearns
• Madeline Keegan, OTR/L
• David T Kell, PTA
• Ryan Lamont Kelly
• Patrick Joseph Kennedy, MD
• Ashley Kenol, APRN
• Jennifer Ruth Kern

• Neonatal-Perinatal Medicine Physician in Greenwich, CT
• Providers in Greenwich, CT by specialty
• Neonatal-Perinatal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.