NPIMap

Individual provider Active NPI

Ryan M. Cahill, D.O.

  • Family Medicine Physician
  • Deer Park, NY
National Provider Identifier
1437250032
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
222902 Issued in NY
Practice address
2005 Deer Park Ave
Deer Park, NY 11729-2700
Phone
(631) 243-6690
Fax
(631) 669-6693
NPI assigned
Sep 26, 2006
Last updated
Jan 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 222902 NY Primary

Addresses

Primary practice location

2005 Deer Park Ave
Deer Park, NY 11729-2700

Mailing address

1010 Northern Blvd Ste 328
Great Neck, NY 11021-5329
Phone (516) 233-2484

Other practice location 1

400 W Main St
Babylon, NY 11702-3012
Phone (631) 496-1999

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060428000478 NY Practitioner - Family Practice 7416967872 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
New York College of Osteo Medicine of New York Institute of Technology, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Primary Partnercare Physicians PLLCGroup PAC ID 9638593585, 18 clinicians

Practice addresses (Care Compare)

2005 Deer Park Ave
Deer Park, NY 11729-2700
Phone (631) 496-1999

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
222902NYMDMassage Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Primary Partnercare Physicians PLLC CurrentSince Oct 1, 2020 Accepting new patients
Maria Regina Residence, Inc. Past Accepting new patients
Jacqueline M Spencer DO PC Family Medicine Past Accepting new patients
Optima Care Brentwood LLC Past Accepting new patients
St. James Operating LLC Past Accepting new patients

Locations

400 W Main St
Babylon, NY 11702
Phone (631) 669-5021

2005 Deer Park Ave
Deer Park, NY 11729
Phone (631) 243-6690

1010 Northern Blvd
Ste 328
Great Neck, NY 11021
Phone (516) 354-7900

1400 Deer Park Ave
Ste 2
North Babylon, NY 11703
Phone (631) 669-6666

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/24863/brand/1/csg/1/fhir/r4
  • Direct secure messaging: ryan.cahill.1@24863.direct.athenahealth.com

Organizations & group practices 5

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1159228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1437250032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1010 NORTHERN BLVD STE 328",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110215329",
            "telephone_number": "516-233-2484",
            "fax_number": "516-304-5850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2005 DEER PARK AVE",
            "city": "DEER PARK",
            "state": "NY",
            "postal_code": "117292700",
            "telephone_number": "631-243-6690",
            "fax_number": "631-669-6693"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "400 W Main St",
            "address_purpose": "LOCATION",
            "city": "Babylon",
            "state": "NY",
            "postal_code": "117023012",
            "country_code": "US",
            "telephone_number": "631-496-1999",
            "fax_number": "631-669-6693",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CAHILL",
        "first_name": "RYAN",
        "middle_name": "M.",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-26",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "222902",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Deer Park, NY

Sources for this page

Verify at the official NPI Registry.