WILLIAM C MOTTER MD
NPI 1376533745
Anesthesiology in Mechanicsburg, PA
About William C Motter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM C MOTTER MD (NPI 1376533745) is an individual anesthesiology provider in Mechanicsburg, Pennsylvania, licensed in Pennsylvania (MD064927L) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Harrisburg, and is a graduate of Pennsylvania State University College Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
William C Motter Md 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 William Motter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harrisburg, PA 17101
- Reassigned Medicare billing, Pennsylvania enrollment
- 394 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, Pennsylvania enrollment
- 928 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.
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.
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 William Motter's NPI number?
The NPI number for William Motter is 1376533745. It was assigned to this individual provider in the NPPES registry on October 26, 2005.
Where is William Motter located?
William Motter practices at 4999 Louise Dr Ste 105, Mechanicsburg, PA 17055. The listed phone number is (717) 766-1127.
What is William Motter's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Motter enrolled in Medicare?
Yes. William Motter 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 William Motter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Motter reassigns Medicare benefits to 2 organizations: Upmc Pinnacle Anesthesia Services, LLC (Harrisburg, PA) and North American Partners In Anesthesia, Pennsylvania , LLC (Melville, NY). 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 William Motter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Motter was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.