JAMES MICHAEL COLAR RN
NPI 1639436975
Nurse Practitioner - Acute Care in Royal Oak, MI
About James Michael Colar Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES MICHAEL COLAR RN (NPI 1639436975) is an individual acute care provider in Royal Oak, Michigan, licensed in Michigan (4704175219) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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 Michael Colar Rn 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 Reassignment
Medicare enrollment records show James Colar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 1,030 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 5
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.
Beaumont Hospital - Grosse Pointe
Acute Care Hospitals · Grosse Pointe, MIBeaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, MIBeaumont Hospital, Troy
Acute Care Hospitals · Troy, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48073 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.
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
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 Colar's NPI number?
The NPI number for James Colar is 1639436975. It was assigned to this individual provider in the NPPES registry on April 11, 2012.
Where is James Colar located?
James Colar practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-5983.
What is James Colar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is James Colar enrolled in Medicare?
Yes. James Colar 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 organization bills Medicare for James Colar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Colar reassigns Medicare benefits to Beaumont Medical Group- Specialty Services (Royal Oak, MI). The 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 Colar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Colar accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Priority Health and UnitedHealthcare list James Colar 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 Colar affiliated with any hospitals?
According to CMS data, James Colar is affiliated with Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak and Beaumont Hospital, Troy.
When was this NPI record last updated?
The NPPES record for James Colar was last updated on October 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 Michael Colar, RN · NPI 1639436975
Acute Care physician in Royal Oak, Michigan. Individual provider, active in the CMS NPPES registry since April 11, 2012.
## Identity
- **NPI:** 1639436975 (Entity type: Individual)
- **Enumerated:** April 11, 2012
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4704175219 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 W 13 MILE RD, Royal Oak, MI 48073-6712
- **Phone:** (248) 898-5983
## 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:** Beaumont Medical Group- Specialty Services (NPI 1578072906, Royal Oak, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1639436975) · Data from the CMS NPPES public registry.