WILLIAM D PUM MD
NPI 1669409421
Family Medicine in Rochester, NY
About William D Pum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM D PUM MD (NPI 1669409421) is an individual family medicine provider in Rochester, New York, licensed in New York (138588) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Rochester School Of Medicine And Dentistry (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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 D Pum 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 Pum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14624
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Rochester, NY 14623
- Reassigned Medicare billing, New York enrollment
- 5 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 14624 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14624
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 Pum's NPI number?
The NPI number for William Pum is 1669409421. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is William Pum located?
William Pum practices at 3379 Chili Ave Suite 100, Rochester, NY 14624. The listed phone number is (585) 889-0750.
What is William Pum's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Pum enrolled in Medicare?
Yes. William Pum 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 Pum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Pum reassigns Medicare benefits to 2 organizations: The Unity Hospital Of Rochester (Rochester, NY) and Rochester School Of The Holy Childhood Inc (Rochester, 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 Pum'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 Pum was last updated on January 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.
# William D Pum, MD · NPI 1669409421
Family Medicine physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since June 27, 2006.
## Identity
- **NPI:** 1669409421 (Entity type: Individual)
- **Enumerated:** June 27, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 138588 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3379 CHILI AVE, SUITE 100, Rochester, NY 14624-5325
- **Phone:** (585) 889-0750 · **Fax:** (585) 889-0759
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): The Unity Hospital Of Rochester (NPI 1720471246, Rochester, NY); Rochester School Of The Holy Childhood Inc (NPI 1265509491, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 1978
## Record status
- **NPPES last updated:** January 9, 2023
- **Other identifiers:** Other P00742882-DD1972 GRP (NY); Medicaid 01443181 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1669409421) · Data from the CMS NPPES public registry.