Nassau Psychiatric Services, P.C.

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

243373 Issued in NY

Legal business name

NASSAU PSYCHIATRIC SERVICES, P.C.

Practice address

626 RXR PLZ Ste 655
Uniondale, NY 11556-3829

Phone

(516) 280-9030

Fax

(516) 280-9029

NPI assigned

May 24, 2016

Last updated

Sep 21, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Martha Alzamora Hyzak, M.D.

Title

Director

Phone

(516) 280-9030

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Locations

Practitioners 9

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.

• Jennifer Chiofalo, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Garden City, NY
  • NPI 1184169369
  Medicare reassignment Care Compare group NPD
• Gabriella Harrison, PSY.D.

  • Clinical Psychologist
  • Garden City, NY
  • NPI 1043767809
  Medicare reassignment Care Compare group NPD
• George Isaac, M.D.

  • Psychiatry Physician
  • Flushing, NY
  • NPI 1043279342
  Medicare reassignment Care Compare group NPD
• Grisselle Virga, LMSW

  • Social Worker
  • Garden City, NY
  • NPI 1346278181
  Medicare reassignment Care Compare group NPD
• Martha Del Rosario Alzamora, MD

  • Psychiatry Physician
  • Garden City, NY
  • NPI 1942390141
  Medicare reassignment Care Compare group
• Yuan-Fang Chen, MD

  • Psychiatry Physician
  • Elmhurst, NY
  • NPI 1548336480
  Medicare reassignment NPD
• Erika Leigh Deo, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Massapequa Park, NY
  • NPI 1700586419
  NPD (past)
• Danielle Hearne, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Brooklyn, NY
  • NPI 1396221925
  NPD (past)
• Jaime McCauslin, CRNP

  • Family Nurse Practitioner
  • York, PA
  • NPI 1720413701
  NPD (past)

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

{
    "created_epoch": "1464048000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758412800000",
    "number": "1104273762",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "626 RXR PLZ FL 6",
            "city": "UNIONDALE",
            "state": "NY",
            "postal_code": "115563829",
            "telephone_number": "516-280-9030",
            "fax_number": "516-280-9029"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "626 RXR PLZ STE 655",
            "city": "UNIONDALE",
            "state": "NY",
            "postal_code": "115563829",
            "telephone_number": "516-280-9030",
            "fax_number": "516-280-9029"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "601 Franklin Ave",
            "address_2": "SUITE 120",
            "address_purpose": "LOCATION",
            "city": "Garden City",
            "state": "NY",
            "postal_code": "115305795",
            "country_code": "US",
            "telephone_number": "516-280-9030",
            "fax_number": "516-280-9029",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NASSAU PSYCHIATRIC SERVICES, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-05-24",
        "last_updated": "2025-09-21",
        "certification_date": "2025-09-21",
        "status": "A",
        "authorized_official_last_name": "HYZAK",
        "authorized_official_first_name": "MARTHA",
        "authorized_official_middle_name": "ALZAMORA",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "516-280-9030",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "243373",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nassau Health Care Corporation (NUMC A. Holly FPP)
• Nassau Health Care Corporation
• Nassau Health Care Corporation (Nassau University Medical Center - Renal)
• Nassau Healthcare Corporation (A. Holly Faculty Practice Plan)
• Nassau Medical P.C.
• Nathalie Lawrence OT P C
• Marcia S Naveh, MD
• Elana Neiman, MSN, FNP-BC
• Margarita M Nektalov
• Jeanne Nellen

• Mental Health Counselor in Uniondale, NY
• Providers in Uniondale, NY by specialty
• Mental Health Counselor in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.