Mark R Gershenbaum, DO

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

25MB04672200 Issued in NJ

Practice address

901 West Main St
Freehold, NJ 07728

Phone

(732) 294-2666

Fax

(732) 431-8267

NPI assigned

Mar 31, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in NJ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

81.06 of 100Reported as group

Quality

62.57

Improvement activities

40

Cost

70.1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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.

• Freehold Hospitalists, LLC

  • Hospitalist Physician
  • Freehold, NJ
  • NPI 1831231463
  Medicare reassignment NPD

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

{
    "created_epoch": "1143763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982665782",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 13700-1901",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191911901",
            "telephone_number": "800-777-2455",
            "fax_number": "610-617-6280"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 WEST MAIN ST",
            "city": "FREEHOLD",
            "state": "NJ",
            "postal_code": "07728",
            "telephone_number": "732-294-2666",
            "fax_number": "732-431-8267"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERSHENBAUM",
        "first_name": "MARK",
        "middle_name": "R",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NJ",
            "license": "25MB04672200",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NJ",
            "license": "25MB04672200",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5453101",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00153530",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• General Dentistry Associates of Freehold, P.a.
• Genesis Rehab Services
• Lauren Gerardi, PHD
• Jocelyn Gerges, MD
• Eric Andrew Gershenbaum, M.D.
• Maged L. Ghattas, M.D.
• Mariam Ghobriel, M.D.
• Barbara J Giannone, RD
• Michael Gianoukakis, PHARMD
• Heather Gibson, LAC

• Hospitalist Physician in Freehold, NJ
• Providers in Freehold, NJ by specialty
• Hospitalist 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.