Gina Loshkajian Posluszny, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

25MA10522300 Issued in NJ

Practice address

301 N Harrison St
Princeton, NJ 08540-3527

Phone

(609) 924-5510

NPI assigned

May 18, 2012

Last updated

Apr 1, 2026By 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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• PNP Pediatrics, LLC

  dba Princeton Nassau Pediatrics

  • Pediatrics Physician
  • Princeton, NJ
  • NPI 1417901521
  NPD (past)
• Multicare Health System

  dba Pacific Sports Medicine @ MultiCare

  • Nurse Practitioner
  • Tacoma, WA
  • NPI 1407808413
  NPD (past)

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

{
    "created_epoch": "1337299200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1033479449",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 N HARRISON ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085403527",
            "telephone_number": "609-924-5510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 N HARRISON ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085403527",
            "telephone_number": "609-924-5510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POSLUSZNY",
        "first_name": "GINA",
        "middle_name": "LOSHKAJIAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-05-18",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NJ",
            "license": "25MA10522300",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Janet Poinsett, LCSW
• Julia Pojawis, PA-C
• Kimberly Poplaski, MSN, APN, FNP-C
• Jill Portaro
• Jacqueline C Porter-Stewart, LCADC, LCSW, SAP,
• Laurie Posner, M. ED., L.P.C.
• Tracey L. Post, LCSW
• Postorino Psychological Services LLC
• Lia Postorino, PSY.D.
• James S Potter, O.D.

• Pediatrics Physician in Princeton, NJ
• Providers in Princeton, NJ by specialty
• Pediatrics Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2026; 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.