Maryann Nicastro, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

MA53831 Issued in NJ

Practice address

550 Newark Ave
Jersey City, NJ 07306

Phone

(201) 795-9155

Fax

(201) 795-9157

NPI assigned

Apr 25, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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 and National Provider Directory roles.

• Jersey City Medical Center

  • Emergency Medicine Physician
  • Jersey City, NJ
  • NPI 1053350421
  NPD (past)
• Jersey City Medical Center

  • Hospitalist Physician
  • Jersey City, NJ
  • NPI 1386897148
  NPD (past)

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

{
    "created_epoch": "1145923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1891751293",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 NEWARK AVE",
            "city": "JERSEY CITY",
            "state": "NJ",
            "postal_code": "07306",
            "telephone_number": "201-795-9155",
            "fax_number": "201-795-9157"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 NEWARK AVE",
            "city": "JERSEY CITY",
            "state": "NJ",
            "postal_code": "07306",
            "telephone_number": "201-795-9155",
            "fax_number": "201-795-9157"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICASTRO",
        "first_name": "MARYANN",
        "name_prefix": "Mrs.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NJ",
            "license": "MA53831",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6185100",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Gina Nguyen
• Nhat Minh Nguyen, D.D.S.
• Nhung Nguyen
• Chuwen Ni
• Aisha Niaz, M.D.
• Nitish Nichenametla
• Julie Nicholson, OTR/L
• Raquel Nicholson, LSW
• Nicola a. Vernese M.D., PC
• Charles George Nicola, DC

• Endocrinology, Diabetes & Metabolism Physician in Jersey City, NJ
• Providers in Jersey City, NJ by specialty
• Endocrinology, Diabetes & Metabolism Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.