MACK T RUFFIN IV MD
NPI 1245329101
Family Medicine in Mechanicsburg, PA
About Mack T Ruffin Iv Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACK T RUFFIN IV MD (NPI 1245329101) is an individual family medicine provider in Mechanicsburg, Pennsylvania, licensed in Pennsylvania (MD459216) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Reading.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mack T Ruffin Iv Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mack Ruffin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mechanicsburg, PA 17050
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,216 clinicians in this Medicare group
Reading, PA 19601
- Reassigned Medicare billing, Pennsylvania enrollment
- 14 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17050 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MECHANICSBURG, PA 17050
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 Mack Ruffin's NPI number?
The NPI number for Mack Ruffin is 1245329101. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Mack Ruffin located?
Mack Ruffin practices at 140 Old Willow Mill Rd, Mechanicsburg, PA 17050. The listed phone number is (717) 766-4635.
What is Mack Ruffin's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mack Ruffin enrolled in Medicare?
Yes. Mack Ruffin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mack Ruffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mack Ruffin reassigns Medicare benefits to 2 organizations: Milton S Hershey Medical Center Physicians Group (Mechanicsburg, PA) and St. Joseph Regional Health Network (Reading, PA). 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 Mack Ruffin'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 Mack Ruffin was last updated on May 9, 2023. 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.
# Mack T Ruffin IV, MD · NPI 1245329101
Family Medicine physician in Mechanicsburg, Pennsylvania. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1245329101 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD459216 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 140 OLD WILLOW MILL RD, Mechanicsburg, PA 17050-1816
- **Phone:** (717) 766-4635 · **Fax:** (717) 766-4818
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Milton S Hershey Medical Center Physicians Group (NPI 1235678939, Mechanicsburg, PA); St. Joseph Regional Health Network (NPI 1396786414, Reading, PA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 9, 2023
- **Other identifiers:** Other 534246 (PA); Medicaid 1031816190001 (PA); Medicaid 2623517 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1245329101) · Data from the CMS NPPES public registry.