Gregorio J. Guillen MD, PC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MA56159 Issued in NJ

Legal business name

GREGORIO J. GUILLEN MD, PC

Practice address

400 State St.
Suite 2
Perth Amboy, NJ 08861

Phone

(732) 442-6020

Fax

(732) 442-1995

NPI assigned

Oct 3, 2006

Last updated

Sep 11, 2013By 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

Gregorio J. Guillen, M.DNPI 1538252226

Title

President

Phone

(732) 442-6020

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NJ

Enrollment records 1

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

CLIA laboratory certificates

Practitioners 4

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.

• Gregorio J. Guillen, M.D

  • Geriatric Medicine (Internal Medicine) Physician
  • Perth Amboy, NJ
  • NPI 1538252226
  Medicare reassignment NPD Authorized official
• Tara Olsen, AGNP

  • Gerontology Nurse Practitioner
  • Perth Amboy, NJ
  • NPI 1235827213
  Medicare reassignment NPD
• Solania Estrella Rios, P.A.

  • Medical Physician Assistant
  • Perth Amboy, NJ
  • NPI 1376774307
  Medicare reassignment
• Sanjeev Nayyar, MD

  • Gastroenterology Physician
  • Old Bridge, NJ
  • NPI 1033193628
  NPD (past)

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

{
    "created_epoch": "1159833600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1378857600000",
    "number": "1518052950",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1068",
            "city": "PERTH AMBOY",
            "state": "NJ",
            "postal_code": "088621068",
            "telephone_number": "732-442-6020",
            "fax_number": "732-442-1995"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 STATE ST.",
            "address_2": "SUITE 2",
            "city": "PERTH AMBOY",
            "state": "NJ",
            "postal_code": "08861",
            "telephone_number": "732-442-6020",
            "fax_number": "732-442-1995"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREGORIO J. GUILLEN MD, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-10-03",
        "last_updated": "2013-09-11",
        "status": "A",
        "authorized_official_last_name": "GUILLEN",
        "authorized_official_first_name": "GREGORIO",
        "authorized_official_middle_name": "J.",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "732-442-6020",
        "authorized_official_credential": "M.D"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "MA56159",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6523706",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Janak Raj Goyal, M.D.
• Lindsey Goyal
• GPS of New Jersey MD PC
• Graceland Adult Medical Day Care,Inc
• Katherine Granja
• Rashan L Grooms
• Tanvi Grover, MD
• Chaia Grubbs, LCSW
• Nicole Guarducci
• Prabhavathi Venkata Gude, M.D.

• Internal Medicine Physician in Perth Amboy, NJ
• Providers in Perth Amboy, NJ by specialty
• Internal Medicine Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2013; 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.