JAMES R MARTIN MD
NPI 1972592541
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Warren, MI
About James R Martin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES R MARTIN MD (NPI 1972592541) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Warren, Michigan, licensed in Michigan (063638) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mclaren Northern Michigan, and is a graduate of University Of Vermont College Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James R Martin Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
11Medicare enrollment records show James Martin reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warren, MI 48093
- Reassigned Medicare billing, Michigan enrollment
- 101 clinicians in this Medicare group
Saint Clair Shores, MI 48081
- Reassigned Medicare billing, Michigan enrollment
- 520 clinicians in this Medicare group
Detroit, MI 48236
- Reassigned Medicare billing, Michigan enrollment
- 5 clinicians in this Medicare group
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 188 clinicians in this Medicare group
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 63 clinicians in this Medicare group
Port Huron, MI 48060
- Reassigned Medicare billing, Michigan enrollment
- 87 clinicians in this Medicare group
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 242 clinicians in this Medicare group
Okemos, MI 48864
- Reassigned Medicare billing, Michigan enrollment
- 167 clinicians in this Medicare group
Essexville, MI 48732
- Reassigned Medicare billing, Michigan enrollment
- 250 clinicians in this Medicare group
Mt Pleasant, MI 48858
- Reassigned Medicare billing, Michigan enrollment
- 321 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Northern Michigan
Acute Care Hospitals · Petoskey, MIAscension St John Hospital
Acute Care Hospitals · Detroit, MIMclaren Port Huron
Acute Care Hospitals · Port Huron, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WARREN, MI 48093
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Martin's NPI number?
The NPI number for James Martin is 1972592541. It was assigned to this individual provider in the NPPES registry on October 17, 2005.
Where is James Martin located?
James Martin practices at 11900 E 12 Mile Rd Suite 205, Warren, MI 48093. The listed phone number is (586) 576-4907.
What is James Martin's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is James Martin enrolled in Medicare?
Yes. James Martin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Martin reassigns Medicare benefits to 11 organizations: Henry Ford Semi Medical Group (Warren, MI), Henry Ford Health St. John Hospital (Saint Clair Shores, MI), Center For Cardiovascular & Thoracic Surgery PC (Detroit, MI), Mclaren Macomb (Mount Clemens, MI), Mclaren Lapeer Region (Lapeer, MI) and 6 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Martin accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list James Martin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is James Martin affiliated with any hospitals?
According to CMS data, James Martin is affiliated with Mclaren Northern Michigan, Ascension St John Hospital and Mclaren Port Huron.
When was this NPI record last updated?
The NPPES record for James Martin was last updated on February 23, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# James R Martin, MD · NPI 1972592541
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Warren, Michigan. Individual provider, active in the CMS NPPES registry since October 17, 2005.
## Identity
- **NPI:** 1972592541 (Entity type: Individual)
- **Enumerated:** October 17, 2005
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 063638 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 11900 E 12 MILE RD, SUITE 205, Warren, MI 48093-3400
- **Phone:** (586) 576-4907 · **Fax:** (576) 576-4906
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Henry Ford Semi Medical Group (NPI 1174537500, Warren, MI); Henry Ford Health St. John Hospital (NPI 1376820605, Saint Clair Shores, MI); Center For Cardiovascular & Thoracic Surgery PC (NPI 1811644396, Detroit, MI); Mclaren Macomb (NPI 1396014601, Mount Clemens, MI); Mclaren Lapeer Region (NPI 1124151147, Lapeer, MI); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 1986
## Record status
- **NPPES last updated:** February 23, 2017
- **Other identifiers:** Medicare UPIN F81497
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Source: [NPI Profile](https://npiprofile.com/npi/1972592541) · Data from the CMS NPPES public registry.