NPIMap

Individual provider Active NPI

Derek Einhorn, M.D.

  • Internal Medicine Physician
  • Novi, MI
National Provider Identifier
1801855762
Registry record updated Sep 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4301071970 Issued in MI
Practice address
39475 Lewis Drive
Suite 130
Novi, MI 48377-2977
Phone
(248) 374-0502
Fax
(248) 374-0567
NPI assigned
Mar 20, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 4301071970 MI Primary
Pediatrics Physician 208000000X 4301071970 MI

Addresses

Primary practice location

39475 Lewis Drive
Suite 130
Novi, MI 48377-2977

Mailing address

39475 Lewis Drive
Suite 130
Novi, MI 48377-2977
Phone (248) 374-0502

Other identifiers 2

IdentifierTypeStateIssuer
1106346950OtherMIBCBSM
4640867MedicaidMI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040920000919 MI Practitioner - Internal Medicine 4587632385 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Wayne State University School of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
VMD Primary Providers Eastern Michigan PCGroup PAC ID 9234480575, 63 clinicians

Practice addresses (Care Compare)

23133 Orchard Lake Rd
Suite 102
Farmington, MI 48336-3278
Phone (248) 476-2420

39475 Lewis Dr
Novi, MI 48377-2977

400 N Wayne Rd
Michigan Family Physicians
Westland, MI 48185-3628
Phone (734) 522-7000

Hospital & facility affiliations

  • Henry Ford Home Health Care Home health agency, Detroit, MI, CCN 237087
  • Beaumont Hospital Royal Oak Hospital, Royal Oak, MI, CCN 230130
  • Beaumont Hospital - Farmington Hills Hospital, Farmington Hills, MI, CCN 230151
  • Ascension Providence Hospital, Southfield and Novi Hospital, Southfield, MI, CCN 230019
  • Huron Valley-Sinai Hospital Hospital, Commerce Township, MI, CCN 230277

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
4301071970MIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Envision Medical Group PLLC CurrentSince Nov 12, 2012 Accepting new patients
Envision Medical Group PLLC CurrentSince Nov 12, 2012 Accepting new patients
VMD Primary Providers Eastern Michigan, PC Internal Medicine CurrentSince Sep 4, 2021 Accepting new patients
Northwood Physicians, P.C. Internal Medicine Past Accepting new patients

Locations

33400 6 Mile Rd
Ste B
Livonia, MI 48152
Phone (734) 452-7111

42931 7 Mile Rd
Northville, MI 48167
Phone (248) 348-2442

39475 Lewis Dr
Ste 200
Novi, MI 48377
Phone (248) 471-0675

27275 Haggerty Rd
Ste 500
Novi, MI 48377
Phone (248) 715-2423

39475 Lewis Dr
Ste 130
Novi, MI 48377
Phone (248) 374-0502

Interoperability endpoints

  • Direct secure messaging: derek.einhorn.1@21803.direct.athenahealth.com
  • Direct secure messaging: deinhorn253423@direct.hfhs.org
  • Direct secure messaging: deinhorn269405@epic00.shdirect.org

Organizations & group practices 4

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.

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1142812800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758499200000",
    "number": "1801855762",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "39475 LEWIS DRIVE",
            "address_2": "SUITE 130",
            "city": "NOVI",
            "state": "MI",
            "postal_code": "483772977",
            "telephone_number": "248-374-0502",
            "fax_number": "248-374-0567"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "39475 LEWIS DRIVE",
            "address_2": "SUITE 130",
            "city": "NOVI",
            "state": "MI",
            "postal_code": "483772977",
            "telephone_number": "248-374-0502",
            "fax_number": "248-374-0567"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EINHORN",
        "first_name": "DEREK",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-20",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301071970",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "4301071970",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSM",
            "identifier": "1106346950",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4640867",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Novi, MI

Sources for this page

Verify at the official NPI Registry.