Individual provider Active NPI

Kelsey Marie Lemmen, M.D.

  • Rheumatology Physician
  • Detroit, MI
National Provider Identifier
1124689120
Registry record updated Jun 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
4301507251 Issued in MI
Practice address
22151 Moross Rd
Detroit, MI 48236-2167
Phone
(313) 343-4850
NPI assigned
Jun 21, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 12, 2026

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 4301507251 MI
Rheumatology Physician 207RR0500X 4301507251 MI Primary

Addresses

Primary practice location

22151 Moross Rd
Detroit, MI 48236-2167

Mailing address

1 Ford PL
Detroit, MI 48202-3450
Phone (313) 874-4806

Other practice location 1

3601 Fifth Ave.
Suite 2B
Pittsburgh, PA 15213
Phone (734) 998-2020

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20220826000651 MI Practitioner - RheumatologyPractitioner - Internal Medicine 4587048400 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301507251MIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Michigan Past Accepting new patients
Regents of the University of Michigan Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: kelsey.lemmen@upmcdirect.com

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.

NPI Registry JSON

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

{
    "created_epoch": "1561075200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781222400000",
    "number": "1124689120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 FORD PL",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482023450",
            "telephone_number": "313-874-4806"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22151 MOROSS RD",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482362167",
            "telephone_number": "313-343-4850"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 Fifth Ave.",
            "address_2": "Suite 2B",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "15213",
            "country_code": "US",
            "telephone_number": "734-998-2020",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEMMEN",
        "first_name": "KELSEY",
        "middle_name": "MARIE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-21",
        "last_updated": "2026-06-12",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301507251",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MI",
            "license": "4301507251",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Detroit, MI

Sources for this page

Verify at the official NPI Registry.