JAMES M LARKIN DO
NPI 1710921630
Emergency Medicine in Mt Clemens, MI
About James M Larkin Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES M LARKIN DO (NPI 1710921630) is an individual emergency medicine provider in Mt Clemens, Michigan, licensed in Michigan (5101007891) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Osteopathic Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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 M Larkin Do 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
2Medicare enrollment records show James Larkin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 26 clinicians in this Medicare group
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 32 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48043 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.
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.
MT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
MT CLEMENS, MI 48043
MT CLEMENS, MI 48043
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 Larkin's NPI number?
The NPI number for James Larkin is 1710921630. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is James Larkin located?
James Larkin practices at 1000 Harrington Blvd, Mt Clemens, MI 48043. The listed phone number is (586) 493-8000.
What is James Larkin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Larkin enrolled in Medicare?
Yes. James Larkin 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 Larkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Larkin reassigns Medicare benefits to 2 organizations: Macomb Emergency Physicians PLLC (Mount Clemens, MI) and Observation Physicians Of Macomb PLLC (Mount Clemens, MI). 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 Larkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Larkin accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list James Larkin 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.
When was this NPI record last updated?
The NPPES record for James Larkin was last updated on May 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 M Larkin, DO · NPI 1710921630
Emergency Medicine physician in Mt Clemens, Michigan. Individual provider, active in the CMS NPPES registry since June 15, 2006.
## Identity
- **NPI:** 1710921630 (Entity type: Individual)
- **Enumerated:** June 15, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101007891 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 HARRINGTON BLVD, Mt Clemens, MI 48043
- **Phone:** (586) 493-8000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Macomb Emergency Physicians PLLC (NPI 1609235217, Mount Clemens, MI); Observation Physicians Of Macomb PLLC (NPI 1144855941, Mount Clemens, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 1980
## Record status
- **NPPES last updated:** May 16, 2008
- **Other identifiers:** Medicare PIN 5500188; Medicaid 112125452 (MI); Medicare PIN 930049652; and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1710921630) · Data from the CMS NPPES public registry.