JAMES BLUMLINE
NPI 1831832138
Family Medicine in Saint Clair Shores, MI
About James Blumline NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES BLUMLINE (NPI 1831832138) is an individual family medicine provider in Saint Clair Shores, Michigan, licensed in Michigan (4301514361) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and maintains a secondary practice location in Detroit.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 Blumline 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 Blumline reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dearborn, MI 48124
- Reassigned Medicare billing, Michigan enrollment
- 453 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.
Hospital Affiliations CMS Care Compare
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, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48081 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT CLAIR SHORES, MI 48081
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 Blumline's NPI number?
The NPI number for James Blumline is 1831832138. It was assigned to this individual provider in the NPPES registry on April 15, 2022.
Where is James Blumline located?
James Blumline practices at 21400 E 11 Mile Rd, Saint Clair Shores, MI 48081. The listed phone number is (947) 519-8100.
What is James Blumline's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is James Blumline enrolled in Medicare?
Yes. James Blumline 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 Blumline's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Blumline reassigns Medicare benefits to Oakwood Ambulatory LLC (Dearborn, 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 Blumline's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Blumline 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 Blumline 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 Blumline affiliated with any hospitals?
According to CMS data, James Blumline is affiliated with Beaumont Hospital - Grosse Pointe.
When was this NPI record last updated?
The NPPES record for James Blumline was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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 Blumline · NPI 1831832138
Family Medicine physician in Saint Clair Shores, Michigan. Individual provider, active in the CMS NPPES registry since April 15, 2022.
## Identity
- **NPI:** 1831832138 (Entity type: Individual)
- **Enumerated:** April 15, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 4301514361 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 21400 E 11 MILE RD, Saint Clair Shores, MI 48081-1566
- **Phone:** (947) 519-8100
## 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:** Oakwood Ambulatory LLC (NPI 1003829441, Dearborn, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oakland Univ, William Beaumont School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** August 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831832138) · Data from the CMS NPPES public registry.