Gregory A Zemenick, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

4301030702 Issued in MI

Practice address

1350 Kirts Blvd Ste 160
Troy, MI 48084-4852

Phone

(248) 244-9426

NPI assigned

Oct 27, 2005

Last updated

Apr 24, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MI

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

Wayne State University School of Medicine, 1971

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Michigan Orthopaedic Surgeons PLLCGroup PAC ID 7810277811, 127 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beaumont Hospital, Troy Hospital, Troy, MI, CCN 230269
• Beaumont Hospital Royal Oak Hospital, Royal Oak, MI, CCN 230130
• Beaumont Hospital - Grosse Pointe Hospital, Grosse Pointe, MI, CCN 230089
• Rehabilitation Institute of Michigan Inpatient rehabilitation facility, Detroit, MI, CCN 233027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gregory.zemenick.1@9974.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Michigan Orthopaedic Surgeons, PLLC

  • Orthopaedic Surgery Physician
  • Southfield, MI
  • NPI 1306394309
  Medicare reassignment Care Compare group NPD
• Beaumont Medical Group- Specialty Services

  • Surgery Physician
  • Royal Oak, MI
  • NPI 1578072906
  Medicare reassignment NPD
• Gregory a Zemenick MD PC

  • Orthopaedic Surgery Physician
  • Troy, MI
  • NPI 1205166261
  Authorized official Same address or phone
• Michigan Orthopaedic Surgeons PLLC

  • Durable Medical Equipment & Medical Supplies
  • Shelby Township, MI
  • NPI 1730838467

  Orthopaedic Surgery

  NPD (past)

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

• VHS Rehabilitation Institute of Michigan Inc

  dba Rehabilitation Institute of Michigan

  • Rehabilitation Hospital
  • Detroit, MI
  • NPI 1871805150

  Inpatient rehabilitation facility

  Care Compare affiliation
• William Beaumont Hospital

  dba Beaumont Hospital, Troy

  • General Acute Care Hospital
  • Troy, MI
  • NPI 1306825997
  Care Compare affiliation
• William Beaumont Hospital

  dba Beaumont Hospital, Royal Oak

  • General Acute Care Hospital
  • Royal Oak, MI
  • NPI 1689653305
  Care Compare affiliation
• William Beaumont Hospital

  • Hospitalist Physician
  • Royal Oak, MI
  • NPI 1811044878
  Care Compare affiliation
• William Beaumont Hospital

  dba Beaumont Hospital, Grosse Pointe

  • General Acute Care Hospital
  • Grosse Pointe, MI
  • NPI 1932396017
  Care Compare affiliation

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

{
    "created_epoch": "1130371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776988800000",
    "number": "1396735510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26211 CENTRAL PARK BLVD STE 201",
            "city": "SOUTHFIELD",
            "state": "MI",
            "postal_code": "480764158",
            "telephone_number": "833-667-3627",
            "fax_number": "833-972-5509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1350 KIRTS BLVD STE 160",
            "city": "TROY",
            "state": "MI",
            "postal_code": "480844852",
            "telephone_number": "248-244-9426"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "17877 W 14 Mile Rd",
            "address_purpose": "LOCATION",
            "city": "Beverly Hills",
            "state": "MI",
            "postal_code": "480253127",
            "country_code": "US",
            "telephone_number": "248-644-3920",
            "fax_number": "844-598-9632",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24255 W 13 Mile Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Bingham Farms",
            "state": "MI",
            "postal_code": "480254345",
            "country_code": "US",
            "telephone_number": "248-988-8085",
            "fax_number": "844-598-9635",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "30575 Woodward Ave",
            "address_purpose": "LOCATION",
            "city": "Royal Oak",
            "state": "MI",
            "postal_code": "480730980",
            "country_code": "US",
            "telephone_number": "248-280-8550",
            "fax_number": "844-266-0093",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "45816 Schoenherr Rd",
            "address_purpose": "LOCATION",
            "city": "Shelby Twp",
            "state": "MI",
            "postal_code": "483156028",
            "country_code": "US",
            "telephone_number": "586-842-2400",
            "fax_number": "833-561-1976",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26750 Providence Pkwy Ste 220",
            "address_purpose": "LOCATION",
            "city": "Novi",
            "state": "MI",
            "postal_code": "483741212",
            "country_code": "US",
            "telephone_number": "248-596-0412",
            "fax_number": "833-471-5849",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26025 Lahser Rd Fl 2",
            "address_purpose": "LOCATION",
            "city": "Southfield",
            "state": "MI",
            "postal_code": "480332606",
            "country_code": "US",
            "telephone_number": "248-663-1900",
            "fax_number": "844-598-9633",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4967 Crooks Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Troy",
            "state": "MI",
            "postal_code": "480985812",
            "country_code": "US",
            "telephone_number": "248-846-8060",
            "fax_number": "833-303-1612",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "33200 W 14 Mile Rd Ste 220",
            "address_purpose": "LOCATION",
            "city": "West Bloomfield",
            "state": "MI",
            "postal_code": "483223586",
            "country_code": "US",
            "telephone_number": "248-855-7400",
            "fax_number": "844-598-9634",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZEMENICK",
        "first_name": "GREGORY",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-27",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MI",
            "license": "4301030702",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1093120",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gregory.zemenick.1@9974.direct.athenahealth.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1350 Kirts Blvd Ste 160",
            "city": "Troy",
            "state": "MI",
            "country_code": "US",
            "postal_code": "480844852",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Namer Majed Zayouna, LLPC
• Patricia Zech
• Lauren Zehnder
• Ahmad Zeibo, M.D.
• Denise Zeleny, CRNA
• Katherine Ann Zemenick, PA
• Christina Zerilli, LLMSW
• Fan Zhang, MA, LLPC
• Huilan Zhang, PSYD, LP
• Xue-Qing Zhang, OD

• Orthopaedic Surgery Physician in Troy, MI
• Providers in Troy, MI by specialty
• Orthopaedic Surgery Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 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.