Individual provider Active NPI

John Michael Nicklas, MD

  • Advanced Heart Failure and Transplant Cardiology Physician
  • Ann Arbor, MI
National Provider Identifier
1801972864
Registry record updated Jan 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X
License
4301044825 Issued in MI
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 936-5000
NPI assigned
Oct 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 28, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X 4301044825 MI Primary
Internal Medicine Physician 207R00000X 4301044825 MI
Cardiovascular Disease Physician 207RC0000X 4301044825 MI

Addresses

Primary practice location

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Mailing address

3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 647-5299

Other identifiers 1

IdentifierTypeStateIssuer
1398535MedicaidMI

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
I20100521000735 MI Practitioner - Advanced Heart Failure and Transplant CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 5193854644 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Advanced Heart Failure and Transplant CardiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine
Education
Johns Hopkins University School of Medicine, 1976
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Regents of the University of MichiganGroup PAC ID 3779496856, shared by 45 NPIs, 3,344 clinicians

Practice addresses (Care Compare)

1051 N Canton Ctr Rd
Canton, MI 48187-5097
Phone (888) 287-1082

Hospital & facility affiliations

  • University of Michigan Health System Hospital, Ann Arbor, MI, CCN 230046
  • Bronson Methodist Hospital Hospital, Kalamazoo, MI, CCN 230017
  • Promedica Monroe Regional Hospital Hospital, Monroe, MI, CCN 230099
  • Beaumont Hospital - Dearborn Hospital, Dearborn, MI, CCN 230020

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Michigan Internal Medicine CurrentSince Oct 1, 1985 Accepting new patients
Regents of the University of Michigan Internal Medicine Current Accepting new patients
Regents of the University of Michgian Advanced Heart Failure and Transplant Cardiology CurrentSince May 15, 2018 Accepting new patients
Regents of the University of Michigan CurrentSince Oct 1, 1985 Accepting new patients
Regents of the University of Michigan Cardiovascular Disease Past Accepting new patients
Regents of the University of Michigan Past Accepting new patients

Locations

1500 E Medical Center Dr
Fl 3
Ann Arbor, MI 48109
Phone (734) 647-5944

325 E Eisenhower Pkwy
Ann Arbor, MI 48108
Phone (734) 615-7246

325 Briarwood Cir
Bldg 5
Ann Arbor, MI 48108
Phone (734) 647-9000

4900 Jackson Rd
Ste A
Ann Arbor, MI 48103
Phone (734) 998-7380

375 Briarwood Cir
Bldg 3
Ann Arbor, MI 48108
Phone (734) 998-7207

3621 S State St
#700
Ann Arbor, MI 48108

3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229

1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280

4260 Plymouth Rd
Ann Arbor, MI 48109
Phone (734) 647-5715

400 E Eisenhower Pkwy
Ste B
Ann Arbor, MI 48108
Phone (734) 232-2600

8001 Challis Rd
Brighton, MI 48116
Phone (810) 227-9510

1051 N Canton Center Rd
Canton, MI 48187
Phone (734) 647-5670

775 S Main St
Chelsea, MI 48118
Phone (313) 995-3764

14700 E Old US Highway 12
Chelsea, MI 48118
Phone (734) 475-1321

7300 Dexter Ann Arbor Rd
Dexter, MI 48130
Phone (734) 426-2796

20321 Farmington Rd
Livonia, MI 48152
Phone (248) 473-4300

700 Woodland Dr
Saline, MI 48176
Phone (734) 429-2302

200 Arnet St
Ste 200
Ypsilanti, MI 48198
Phone (734) 482-6221

Interoperability endpoints

  • Direct secure messaging: jnicklas26356@direct.med.umich.edu

Organizations & group practices 6

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 6

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": "1162252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1801972864",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-647-5299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICKLAS",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-31",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "MI",
            "license": "4301044825",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301044825",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MI",
            "license": "4301044825",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1398535",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

Verify at the official NPI Registry.