MRS. MARY ELIZABETH PIETRAS PMHNP-BC
NPI 1790597557
Nurse Practitioner - Psychiatric/Mental Health in Hemlock, MI
About Mrs. Mary Elizabeth Pietras Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARY ELIZABETH PIETRAS PMHNP-BC (NPI 1790597557) is an individual psychiatric/mental health provider in Hemlock, Michigan, licensed in Michigan (4704323588) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS, is affiliated with Covenant Medical Center, and is a graduate of Other (2023).
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
Mrs. Mary Elizabeth Pietras Pmhnp-bc 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 Mary Pietras reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Training & Treatment Innovations Inc
- 46 clinicians in this Medicare group
Clarkston, MI 48346
- Reassigned Medicare billing, Michigan enrollment
- 451 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.
Covenant Medical Center
Acute Care Hospitals · Saginaw, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48626 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mary Pietras's NPI number?
The NPI number for Mary Pietras is 1790597557. It was assigned to this individual provider in the NPPES registry on January 20, 2025.
Where is Mary Pietras located?
Mary Pietras practices at 2137 Laporte Rd, Hemlock, MI 48626. The listed phone number is (989) 213-5210.
What is Mary Pietras's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mary Pietras enrolled in Medicare?
Yes. Mary Pietras 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 Mary Pietras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Pietras reassigns Medicare benefits to 2 organizations: Training And Treatment Innovations Inc (Saginaw, MI) and Downriver Mental Health Clinic PC (Clarkston, 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 Mary Pietras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Pietras accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Mary Pietras 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 Mary Pietras affiliated with any hospitals?
According to CMS data, Mary Pietras is affiliated with Covenant Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Pietras was last updated on January 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Mrs. Mary Elizabeth Pietras, PMHNP-BC · NPI 1790597557
Psychiatric/Mental Health physician in Hemlock, Michigan. Individual provider, active in the CMS NPPES registry since January 20, 2025.
## Identity
- **NPI:** 1790597557 (Entity type: Individual)
- **Enumerated:** January 20, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 4704323588 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 2137 LAPORTE RD, Hemlock, MI 48626-9508
- **Phone:** (989) 213-5210
## 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): Training And Treatment Innovations Inc (NPI 1922380054, Saginaw, MI); Downriver Mental Health Clinic PC (NPI 1508994237, Clarkston, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** January 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1790597557) · Data from the CMS NPPES public registry.