Individual provider Active NPI

Alexa Nicole Harkema, PA-C

  • Physician Assistant
  • Warren, MI
National Provider Identifier
1821508284
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
5601008409 Issued in MI
Practice address
11800 E 12 Mile Rd
Warren, MI 48093-3472
Phone
(586) 576-4904
Fax
(586) 573-5953
NPI assigned
Oct 11, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 5601008409 MI Primary

Addresses

Primary practice location

11800 E 12 Mile Rd
Warren, MI 48093-3472

Mailing address

35689 Hunter Ave
Westland, MI 48185-6662
Phone (313) 623-9592

Other practice location 1

6777 W Maple Rd
West Bloomfield, MI 48322-3013
Phone (248) 661-6440

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20211004000514 MI Practitioner - Physician Assistant 6305241969 Reassigns benefits to 3 organizations
I20240401001011 CA Practitioner - Physician Assistant 6305241969 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Henry Ford Health SystemGroup PAC ID 0547178311, 2,550 clinicians

Practice addresses (Care Compare)

6777 W Maple Rd
Henry Ford West Bloomfield Med Ctr
West Bloomfield, MI 48322-3013
Phone (248) 661-4100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
98.98 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
60542CAMDGeneral Practice Dentistry
026675NYMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jan 17, 2024 Accepting new patients
Henry Ford Health System CurrentSince Dec 1, 2025 Accepting new patients
Henry Ford Health Macomb-Oakland Hospital CurrentSince Nov 29, 2025 Accepting new patients
Henry Ford Health System Physician Assistant CurrentSince Dec 1, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jan 17, 2024 Accepting new patients
Henry Ford Health Macomb Oakland Hospital Physician Assistant CurrentSince Nov 29, 2025 Accepting new patients
Henry Ford Health Macomb-Oakland Hospital CurrentSince Dec 7, 2025 Accepting new patients
Henry Ford Health Macomb Oakland Hospital Past Accepting new patients

Locations

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

2799 W Grand Blvd
Detroit, MI 48202
Phone (313) 876-2062

27351 Dequindre Rd
Madison Hts, MI 48071
Phone (248) 967-7000

27483 Dequindre Rd
Ste 204
Madison Hts, MI 48071
Phone (248) 967-7326

11800 E 12 Mile Rd
Warren, MI 48093
Phone (586) 573-5000

6777 W Maple Rd
West Bloomfield, MI 48322
Phone (248) 325-1000

Interoperability endpoints

  • Direct secure messaging: aharkema1131401@direct.hfhs.org

Organizations & group practices 10

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 1

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

NPI Registry JSON

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

{
    "created_epoch": "1507680000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1821508284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35689 HUNTER AVE",
            "city": "WESTLAND",
            "state": "MI",
            "postal_code": "481856662",
            "telephone_number": "313-623-9592"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11800 E 12 MILE RD",
            "city": "WARREN",
            "state": "MI",
            "postal_code": "480933472",
            "telephone_number": "586-576-4904",
            "fax_number": "586-573-5953"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6777 W Maple Rd",
            "address_purpose": "LOCATION",
            "city": "West Bloomfield",
            "state": "MI",
            "postal_code": "483223013",
            "country_code": "US",
            "telephone_number": "248-661-6440",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARKEMA",
        "first_name": "ALEXA",
        "middle_name": "NICOLE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-10-11",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601008409",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Warren, MI

Sources for this page

Verify at the official NPI Registry.