Stephen M Kocaj, MD

Primary specialty

Sports Medicine (Orthopaedic Surgery) PhysicianTaxonomy code 207XX0005X

License

25MA08265900 Issued in NJ

Practice address

140 Park Ave
Florham Park, NJ 07932

Phone

(973) 404-9800

Fax

(973) 267-1737

NPI assigned

Jul 12, 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 1

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

Specialty

Orthopedic Surgery

Education

Rutgers New Jersey Medical School, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Summit Medical Group PAGroup PAC ID 5395642276, 1,204 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Joseph'S University Medical Center Inc Hospital, Paterson, NJ, CCN 310019
• Kessler Rehab Center Inpatient rehabilitation facility, West Orange, NJ, CCN 313025

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: stephen.kocaj.1@2983.direct.athenahealth.com

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.

• Summit Medical Group PA

  • Multi-Specialty Clinic/Center
  • Berkeley Heights, NJ
  • NPI 1942254347
  Medicare reassignment Care Compare group NPD
• Summit Medical Group PA

  • Durable Medical Equipment & Medical Supplies
  • Hackensack, NJ
  • NPI 1043930555

  Orthopaedic Surgery

  NPD
• Alabama Sports Medicine and Ortho Center

  • Orthopaedic Surgery Physician
  • Bham, AZ
  • NPI 1487629101
  NPD (past)
• Andrews Sports Medicine and Orthopaedic Center

  • Sports Medicine (Neuromusculoskeletal Medicine) Physician
  • Birmingham, AL
  • NPI 1679617526
  NPD (past)
• Summit Medical Group, Inc

  • Family Medicine Physician
  • Erlanger, KY
  • NPI 1750343216
  NPD (past)

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

• Kessler Institute for Rehabilitation Inc

  • Rehabilitation Hospital
  • West Orange, NJ
  • NPI 1013919620

  Inpatient rehabilitation facility

  Care Compare affiliation
• St Josephs University Medical Center Inc.

  • General Acute Care Hospital
  • Paterson, NJ
  • NPI 1669462420
  Care Compare affiliation

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

{
    "created_epoch": "1152662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1275568446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 FLORAL AVE",
            "city": "NEW PROVIDENCE",
            "state": "NJ",
            "postal_code": "079741557",
            "telephone_number": "908-273-4300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "140 PARK AVE",
            "city": "FLORHAM PARK",
            "state": "NJ",
            "postal_code": "07932",
            "telephone_number": "973-404-9800",
            "fax_number": "973-267-1737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOCAJ",
        "first_name": "STEPHEN",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-12",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NJ",
            "license": "25MA08265900",
            "primary": false
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "NJ",
            "license": "25MA08265900",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "396752394A",
            "state": "GA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kevin Klebba, M.D.
• Francis William Kleber IV, ATC
• Julia Elena Klees, M.D.
• Krista Klie
• Samantha Klovert, PA-C
• Carl Koch, APN, CRNA
• Joshua D Koch, MS, ATC, CSCS
• Leigh Kolodny-Kraft, LPC, LCADC
• Peter Koranyi, MD
• Kornerstone Kids, LLC

• Sports Medicine (Orthopaedic Surgery) Physician in Florham Park, NJ
• Providers in Florham Park, NJ by specialty
• Sports Medicine (Orthopaedic Surgery) Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.