Active NPI
James Richard Spears, MD
- Cardiovascular Disease Physician
- Detroit, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- 4301052259
- Practice address
- 3990 John R St
Detroit, MI 48201-2018 - Phone
- (313) 745-8040
- NPI assigned
- Jun 1, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | 4301052259 | MI | Primary |
| Interventional Cardiology Physician | 207RI0011X | 4301052259 | MI | |
| Internal Medicine Physician | 207R00000X | 4301052259 | MI |
Addresses
Primary practice location
3990 John R St
Detroit, MI 48201-2018
Mailing address
400 Mack Ave
Detroit, MI 48201-2136
Other practice location 1
22060 Beech St
Dearborn, MI 48124-2847
Phone (313) 228-0505
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2744737 | Medicaid | MI |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Interventional Cardiology
- Education
- State University of New York Downstate Medical Center, 1970
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3990 John R St
Detroit, MI 48201-2018
Phone (313) 745-8040
Hospital & facility affiliations
- Harper University Hospital
- Beaumont Hospital - Dearborn
- Detroit Receiving Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary angioplasty and stenting | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Oakwood Ambulatory LLC | Internal Medicine | Current | Accepting new patients |
| Oakwood Ambulatory, LLC | Current | Accepting new patients | |
| University Physician Group | Internal Medicine | Current | Accepting new patients |
| University Physician Group | Past | Accepting new patients | |
| M.a.Munir MD PC | Cardiovascular Disease | Past | Accepting new patients |
| Greenfield and 9 Mile Medical Center PLLC | Past | Accepting new patients |
Locations
201 3rd St
Ste 200
Belleville, MI 48111
Phone (734) 697-9065
22060 Beech St
Ste 200
Dearborn, MI 48124
Phone (313) 228-0505
3990 John R St
Detroit, MI 48201
Phone (313) 745-6211
4100 John R St
Detroit, MI 48201
Phone (313) 576-8530
3990 John R St
Ofc
Detroit, MI 48201
4160 John R St
Ste 724
Detroit, MI 48201
Phone (313) 831-6842
400 Mack Ave
Detroit, MI 48201
Phone (313) 448-9006
4201 Saint Antoine St
Detroit, MI 48201
Phone (313) 745-3615
28100 Grand River Ave
Ste 301
Farmington Hills, MI 48336
Phone (947) 521-1320
3601 W 13 Mile Rd
Royal Oak, MI 48073
26901 Beaumont Blvd
Ste 3D
Southfield, MI 48033
Phone (947) 522-1860
Interoperability endpoints
- jspears1257036@epic00.shdirect.org
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.
-
- Internal Medicine Physician
- Detroit, MI
- NPI 1447299797
-
- Internal Medicine Physician
- Dearborn, MI
- NPI 1003829441
-
- Podiatrist
- Westland, MI
- NPI 1013157361
-
- Clinical Medical Laboratory
- Southfield, MI
- NPI 1598279804
-
- Cardiovascular Disease Physician
- Hamtramck, MI
- NPI 1073544912
-
- Social Worker
- Livonia, MI
- NPI 1154360402
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Dearborn, MI
- NPI 1740230119
-
- General Acute Care Hospital
- Detroit, MI
- NPI 1619289998
-
- General Acute Care Hospital
- Detroit, MI
- NPI 1427360700
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149120000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770595200000",
"number": "1770520264",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "400 MACK AVE",
"city": "DETROIT",
"state": "MI",
"postal_code": "482012136"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3990 JOHN R ST",
"city": "DETROIT",
"state": "MI",
"postal_code": "482012018",
"telephone_number": "313-745-8040"
}
],
"practiceLocations": [
{
"address_1": "22060 Beech St",
"address_purpose": "LOCATION",
"city": "Dearborn",
"state": "MI",
"postal_code": "481242847",
"country_code": "US",
"telephone_number": "313-228-0505",
"fax_number": "248-651-0355",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SPEARS",
"first_name": "JAMES",
"middle_name": "RICHARD",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-01",
"last_updated": "2026-02-09",
"certification_date": "2026-02-09",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "MI",
"license": "4301052259",
"primary": true
},
{
"code": "207RI0011X",
"taxonomy_group": "",
"desc": "Internal Medicine, Interventional Cardiology",
"state": "MI",
"license": "4301052259",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MI",
"license": "4301052259",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "2744737",
"state": "MI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Detroit, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.