Individual provider Active NPI

James M Diekema, PA-C

  • Physician Assistant
  • Grand Rapids, MI
National Provider Identifier
1619080702
Registry record updated Nov 2, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
5601002769 Issued in MI
Practice address
100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone
(616) 391-1680
NPI assigned
Aug 16, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 2, 2011

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 5601002769 MI Primary

Addresses

Primary practice location

100 Michigan St NE
Grand Rapids, MI 49503-2560

Mailing address

2537 Momentum PL
Chicago, IL 60689-5325
Phone (616) 975-1845

Other identifiers 1

IdentifierTypeStateIssuer
P00357701OtherMIRAILROAD MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, IN2 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
I20040220000959 MI Practitioner - Physician Assistant 4880589431 Reassigns benefits to 7 organizations
I20100818000299 IN Practitioner - Physician Assistant 4880589431 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pic Indiana PCGroup PAC ID 3476790239, 143 clinicians
Legacy Physician Group PCGroup PAC ID 0648277830, 11 clinicians
Patient One Care, PLLCGroup PAC ID 1658653860, 12 clinicians
Complexcare Medical Group Midwest M PLLCGroup PAC ID 1355858630, 87 clinicians

Practice addresses (Care Compare)

1131 M 32
Alpena, MI 49707-8222
Phone (989) 250-1925

1261 N Telegraph Rd
Monroe, MI 48162-3368
Phone (734) 265-9123

1540 Lake Lansing Rd
Suite 203
Lansing, MI 48912-3757
Phone (517) 913-6711

1740 28TH St SE
Grand Rapids, MI 49508-1414
Phone (616) 323-3999

1803 M
Suite 139
Benton Harbor, MI 49022-6103
Phone (269) 487-3021

25 Columbia Ave E
Battle Creek, MI 49015-3703
Phone (269) 425-3017

2685 W Maple Rd
Troy, MI 48084-7122
Phone (248) 262-2357

2871 44TH St SW
Afc Urgent Care
Grandville, MI 49418-2555
Phone (616) 410-7420

345 Baldwin St
Jenison, MI 49428-7988
Phone (616) 294-8881

3570 N US 31
Traverse City, MI 49684-4542
Phone (231) 486-2573

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hometown Urgent Care of Michigan, PC CurrentSince Mar 27, 2023 Accepting new patients
Patient One Care PLLC CurrentSince Aug 18, 2025 Accepting new patients
Hometown Urgent Care of Michigan, P.C. CurrentSince Mar 27, 2023 Accepting new patients
Hometown Urgent Care of Michigan, P.C. Current Accepting new patients
Pic Wisconsin SC PastSince Sep 25, 2019 Accepting new patients
Physicians Immediate Care LTD Past Accepting new patients
Metropolitan Hospital Past Accepting new patients
Patient One Care, PLLC Past Accepting new patients
Spectrum Health Hospitals Past Accepting new patients

Locations

1131 M 32 W
Alpena, MI 49707
Phone (989) 250-1925

1740 28th St SE
Grand Rapids, MI 49508
Phone (616) 200-8669

2871 44th St SW
Grandville, MI 49418
Phone (616) 410-7420

345 Baldwin St
Jenison, MI 49428
Phone (616) 294-8881

1634 Gull Rd
Kalamazoo, MI 49048
Phone (269) 903-2835

Organizations & group practices 14

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.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1155686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1320192000000",
    "number": "1619080702",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2537 MOMENTUM PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606895325",
            "telephone_number": "616-975-1845",
            "fax_number": "616-285-0846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-391-1680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIEKEMA",
        "first_name": "JAMES",
        "middle_name": "M",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-16",
        "last_updated": "2011-11-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601002769",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00357701",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.