Justin Gewirtz

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

RN653716 Issued in NJ

Practice address

PO Box 24002
Newark, NJ 07101-0410

Phone

(973) 273-4626

NPI assigned

Jun 18, 2019

Sex

Male

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

Enrolled in NJ

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Anesthesia Associates of Morristown PAGroup PAC ID 7315906591, 168 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Morristown Medical Center Hospital, Morristown, NJ, CCN 310015

Merit-based Incentive Payment System (MIPS)

Final score

80.76 of 100Reported as group

Quality

78.69

Improvement activities

40

Cost

74.94

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

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.

• Anesthesia Associates of Morristown PA

  • Specialist
  • Morristown, NJ
  • NPI 1922057678
  Medicare reassignment Care Compare group NPD
• Morris Anesthesia Group, PA

  • Anesthesiology Physician
  • Parsippany, NJ
  • NPI 1194728501
  Medicare reassignment NPD
• Shrewsbury Ambulatory Anesthesia LLC

  • Anesthesiology Physician
  • Shrewsbury, NJ
  • NPI 1356691885
  Medicare reassignment NPD
• Morris Anesthesia Group, PA

  • Pain Medicine (Anesthesiology) Physician
  • Brick, NJ
  • NPI 1477942423
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Ahs Hospital Corp.

  • General Acute Care Hospital
  • Morristown, NJ
  • NPI 1053384776
  Care Compare affiliation

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

{
    "created_epoch": "1560816000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752883200000",
    "number": "1205496783",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 KNOLLWOOD TER",
            "city": "RANDOLPH",
            "state": "NJ",
            "postal_code": "078693013",
            "telephone_number": "215-260-7779"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PO BOX 24002",
            "city": "NEWARK",
            "state": "NJ",
            "postal_code": "071010410",
            "telephone_number": "973-273-4626"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEWIRTZ",
        "first_name": "JUSTIN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-18",
        "last_updated": "2025-07-19",
        "certification_date": "2025-07-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NJ",
            "license": "RN653716",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shana Gershbaum, DMD
• Michael A. Gerstmann, M.D.
• Christine Marie Gerula, M.D.
• Rosy Gervais
• Feby A Gewargy I
• Bryan Abdul Ghanny, MD
• Annalisa Ghany, M.D.
• Omar Gharib, RPH
• Gi Services
• Josephine Giannattasio-Cooper

• Certified Registered Nurse Anesthetist in Newark, NJ
• Providers in Newark, NJ by specialty
• Certified Registered Nurse Anesthetist in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 19, 2025; 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.