DR. JAMES ROBERT MLEJNEK II M.D.
NPI 1548423155
Emergency Medicine in Saginaw, MI
About Dr. James Robert Mlejnek Ii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES ROBERT MLEJNEK II M.D. (NPI 1548423155) is an individual emergency medicine provider in Saginaw, Michigan, licensed in Michigan (5315035964) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Mymichigan Medical Center Clare, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
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
Dr. James Robert Mlejnek Ii M.d. 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
6Medicare enrollment records show James Mlejnek reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 720 clinicians in this Medicare group
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 536 clinicians in this Medicare group
Gladwin, MI 48624
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1073999298 (Michigan)
- 24 clinicians in this Medicare group
Clare, MI 48617
- Reassigned Medicare billing, Michigan enrollment
- 159 clinicians in this Medicare group
Livonia, MI 48154
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Epmg Of Michigan PC
- 175 clinicians in this Medicare group
Holland, MI 49423
- Reassigned Medicare billing, Michigan enrollment
- 33 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.
Mymichigan Medical Center Clare
Acute Care Hospitals · Clare, MIMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIMymichigan Medical Center Gladwin
Critical Access Hospitals · Gladwin, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48602 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAGINAW, MI 48602
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 Mlejnek's NPI number?
The NPI number for James Mlejnek is 1548423155. It was assigned to this individual provider in the NPPES registry on July 3, 2008.
Where is James Mlejnek located?
James Mlejnek practices at 900 Cooper Ave, Saginaw, MI 48602. The listed phone number is (989) 583-6166.
What is James Mlejnek's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Mlejnek enrolled in Medicare?
Yes. James Mlejnek 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 Mlejnek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Mlejnek reassigns Medicare benefits to 6 organizations: Covenant Medical Center, Inc. (Saginaw, MI), Mymichigan Medical Center Midland (Midland, MI), Mymichigan Medical Center Gladwin (Gladwin, MI), Mymichigan Medical Center Clare (Clare, MI), Epmg Of Michigan, P.C. (Livonia, MI) and 1 more organization, 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 Mlejnek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Mlejnek accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list James Mlejnek 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 Mlejnek affiliated with any hospitals?
According to CMS data, James Mlejnek is affiliated with Mymichigan Medical Center Clare, Mymichigan Medical Center Midland and Mymichigan Medical Center Gladwin.
When was this NPI record last updated?
The NPPES record for James Mlejnek was last updated on June 6, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. James Robert Mlejnek II, M.D. · NPI 1548423155
Emergency Medicine physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since July 3, 2008.
## Identity
- **NPI:** 1548423155 (Entity type: Individual)
- **Enumerated:** July 3, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5315035964 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 900 COOPER AVE, Saginaw, MI 48602-5182
- **Phone:** (989) 583-6166
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Covenant Medical Center, Inc. (NPI 1972590412, Saginaw, MI); Mymichigan Medical Center Midland (NPI 1205889490, Midland, MI); Mymichigan Medical Center Gladwin (NPI 1235248071, Gladwin, MI); Mymichigan Medical Center Clare (NPI 1134394026, Clare, MI); Epmg Of Michigan, P.C. (NPI 1386688992, Livonia, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** June 6, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1548423155) · Data from the CMS NPPES public registry.