HOSPITALIST MEDICINE PHYSICIANS OF MICHIGAN, PLLC
NPI 1013180181
Internal Medicine in Adrian, MI
About Hospitalist Medicine Physicians Of Michigan, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOSPITALIST MEDICINE PHYSICIANS OF MICHIGAN, PLLC (NPI 1013180181) is a healthcare organization registered as an internal medicine in Adrian, Michigan and active in the NPI registry since April 2008. The organization lists Robert Bessler, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hospitalist Medicine Physicians Of Michigan, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
237Medicare enrollment records show 237 clinicians reassign Medicare billing to Hospitalist Medicine Physicians Of Michigan, PLLC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 12
Nearest to this location (20)
See all 237Ypsilanti, MI 48197
Ypsilanti, MI 48197
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Hospitalist Medicine Physicians Of Michigan, PLLC's NPI number?
The NPI number for Hospitalist Medicine Physicians Of Michigan, PLLC is 1013180181. It was assigned to this organization in the NPPES registry on April 9, 2008.
Where is Hospitalist Medicine Physicians Of Michigan, PLLC located?
Hospitalist Medicine Physicians Of Michigan, PLLC is located at 818 Riverside Ave, Adrian, MI 49221. The listed phone number is (330) 493-4443.
What is Hospitalist Medicine Physicians Of Michigan, PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hospitalist Medicine Physicians Of Michigan, PLLC enrolled in Medicare?
Yes. Hospitalist Medicine Physicians Of Michigan, PLLC is registered in the Medicare PECOS enrollment system.
When is Hospitalist Medicine Physicians Of Michigan, PLLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Michigan, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Hospitalist Medicine Physicians Of Michigan, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 237 clinicians in 12 Medicare specialties reassign their Medicare billing to Hospitalist Medicine Physicians Of Michigan, PLLC. A 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 the clinician's services. The largest specialties are Internal Medicine (125), Hospitalist (40) and Nurse Practitioner (40). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Hospitalist Medicine Physicians Of Michigan, PLLC was last updated on May 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Hospitalist Medicine Physicians Of Michigan, Pllc · NPI 1013180181
Internal Medicine organization in Adrian, Michigan. Organization record, active in the CMS NPPES registry since April 9, 2008.
## Identity
- **NPI:** 1013180181 (Entity type: Organization)
- **Enumerated:** April 9, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Robert Bessler, PRESIDENT
## Practice location
- **Address:** 818 RIVERSIDE AVE, Adrian, MI 49221-1446
- **Phone:** (330) 493-4443 · **Fax:** (330) 493-8677
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, Michigan, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 237 clinicians in 12 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (125), Hospitalist (40), Nurse Practitioner (40); 3 practice within 10 miles; [full list](https://npiprofile.com/npi/1013180181/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 17, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1013180181) · Data from the CMS NPPES public registry.