HANS J. RUEHSEN M.D.
NPI 1245244524
Hospitalist in Damariscotta, ME
About Hans J. Ruehsen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANS J. RUEHSEN M.D. (NPI 1245244524) is an individual hospitalist provider in Damariscotta, Maine, licensed in Maine (MD16602) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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
Hans J. Ruehsen 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 Reassignment
Medicare enrollment records show Hans Ruehsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Damariscotta, ME 04543
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1912094806 (Maine)
- 3,140 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MELincolnhealth
Critical Access Hospitals · Damariscotta, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04543 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DAMARISCOTTA, ME 04543
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 Hans Ruehsen's NPI number?
The NPI number for Hans Ruehsen is 1245244524. It was assigned to this individual provider in the NPPES registry on July 29, 2006.
Where is Hans Ruehsen located?
Hans Ruehsen practices at 35 Miles Street, Damariscotta, ME 04543. The listed phone number is (207) 563-4268.
What is Hans Ruehsen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Hans Ruehsen enrolled in Medicare?
Yes. Hans Ruehsen 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 Hans Ruehsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hans Ruehsen reassigns Medicare benefits to Mainehealth (Damariscotta, ME). 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 Hans Ruehsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hans Ruehsen affiliated with any hospitals?
According to CMS data, Hans Ruehsen is affiliated with Maine Medical Center and Lincolnhealth.
When was this NPI record last updated?
The NPPES record for Hans Ruehsen was last updated on April 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.