ROBERTA SUE HAHN NP
NPI 1770936866
Nurse Practitioner - Family in Saint Louis, MI
About Roberta Sue Hahn Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERTA SUE HAHN NP (NPI 1770936866) is an individual family provider in Saint Louis, Michigan, licensed in Michigan (4704203280) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with Mymichigan Medical Center Alma, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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 (PECOS)
Roberta Sue Hahn Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Roberta Hahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Alma, MI 48801
- Reassigned Medicare billing, Michigan enrollment
- 15 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 4
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 Alma
Acute Care Hospitals · Alma, MIMclaren Central Michigan
Acute Care Hospitals · Mount Pleasant, MIMymichigan Medical Center Clare
Acute Care Hospitals · Clare, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48880 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Roberta Hahn's NPI number?
The NPI number for Roberta Hahn is 1770936866. It was assigned to this individual provider in the NPPES registry on July 13, 2016.
Where is Roberta Hahn located?
Roberta Hahn practices at 224 N Mill St, Saint Louis, MI 48880. The listed phone number is (989) 303-4101.
What is Roberta Hahn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Roberta Hahn enrolled in Medicare?
Yes. Roberta Hahn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Roberta Hahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roberta Hahn reassigns Medicare benefits to Prism Medical Associates, PC (Alma, 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 Roberta Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roberta Hahn accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Roberta Hahn 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 Roberta Hahn affiliated with any hospitals?
According to CMS data, Roberta Hahn is affiliated with Mymichigan Medical Center Alma, Mclaren Central Michigan and Mymichigan Medical Center Clare.
When was this NPI record last updated?
The NPPES record for Roberta Hahn was last updated on November 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Roberta Sue Hahn, NP · NPI 1770936866
Family physician in Saint Louis, Michigan. Individual provider, active in the CMS NPPES registry since July 13, 2016.
## Identity
- **NPI:** 1770936866 (Entity type: Individual)
- **Enumerated:** July 13, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704203280 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 224 N MILL ST, Saint Louis, MI 48880-1523
- **Phone:** (989) 303-4101
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Prism Medical Associates, PC (NPI 1407264237, Alma, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** November 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1770936866) · Data from the CMS NPPES public registry.