NPIMap

Organization Active NPI

Harmony Medical Services of New York, PLLC

Doing business as Harmonycares Medical Group

  • Family Medicine Physician
  • Whitestone, NY
National Provider Identifier
1669178448
Registry record updated Sep 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
HARMONY MEDICAL SERVICES OF NEW YORK, PLLC
Doing business as
Harmonycares Medical Group
Practice address
1802 Petracca PL Ste 103
Whitestone, NY 11357-6000
Phone
(833) 979-7192
Fax
(347) 535-3970
NPI assigned
Feb 3, 2023
Last updated
Sep 23, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2026

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

Authorized official

Name
Jonathan Feldstein, MD
Title
Owner
Phone
(248) 824-6032

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207Q00000X Primary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
General Practice PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208D00000X

Addresses

Primary practice location

1802 Petracca PL Ste 103
Whitestone, NY 11357-6000

Mailing address

PO Box 40410
Belfast, ME 04915-1255
Phone (516) 595-0700

Other practice location 1

865 Merrick Ave Ste 72N
Westbury, NY 11590-6694
Phone (516) 595-0700

Other names 1

  • Harmonycares Medical Group Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20230511002829 NY Part B Supplier - Clinic/Group Practice 6103282447 Receives reassigned benefits from 67 practitioners
Practice locations: Westbury, NY; Whitestone, NY

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
33D2328290Harmony Medical Services of New York LLC865 Merrick Suite 72 N, Westbury, NY 11590Certificate of waiverAug 6, 2027

National Provider Directory

National Provider Directory

Locations

1802 Petracca Pl
Ste 103
Whitestone, NY 11357
Phone (646) 722-7610

Practitioners & affiliated clinicians

Practitioners 75

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 75

NPI Registry JSON

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

{
    "created_epoch": "1675382400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790121600000",
    "number": "1669178448",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 40410",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049151255",
            "telephone_number": "516-595-0700",
            "fax_number": "855-618-6655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1802 PETRACCA PL STE 103",
            "city": "WHITESTONE",
            "state": "NY",
            "postal_code": "113576000",
            "telephone_number": "833-979-7192",
            "fax_number": "347-535-3970"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "865 Merrick Ave Ste 72N",
            "address_purpose": "LOCATION",
            "city": "Westbury",
            "state": "NY",
            "postal_code": "115906694",
            "country_code": "US",
            "telephone_number": "516-595-0700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "HARMONY MEDICAL SERVICES OF NEW YORK, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-02-03",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A",
        "authorized_official_last_name": "FELDSTEIN",
        "authorized_official_first_name": "JONATHAN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "248-824-6032",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "General Practice",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Harmonycares Medical Group",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Whitestone, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.