JOHN MOLLOY GLENN III DO
NPI 1457779266
Surgery in San Francisco, CA
About John Molloy Glenn Iii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MOLLOY GLENN III DO (NPI 1457779266) is an individual surgery provider in San Francisco, California, licensed in California (19585) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
John Molloy Glenn Iii Do 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
3Medicare enrollment records show John Glenn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94117 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
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 John Glenn's NPI number?
The NPI number for John Glenn is 1457779266. It was assigned to this individual provider in the NPPES registry on March 31, 2014.
Where is John Glenn located?
John Glenn practices at 2250 Hayes St Ste 302, San Francisco, CA 94117. The listed phone number is (415) 379-2900.
What is John Glenn's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is John Glenn enrolled in Medicare?
Yes. John Glenn 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 John Glenn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Glenn reassigns Medicare benefits to 3 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Dept Of Surgery (San Francisco, CA). 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 John Glenn'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 John Glenn was last updated on April 1, 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.
# John Molloy Glenn III, DO · NPI 1457779266
Surgery physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 31, 2014.
## Identity
- **NPI:** 1457779266 (Entity type: Individual)
- **Enumerated:** March 31, 2014
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 19585 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2250 HAYES ST STE 302, San Francisco, CA 94117-1078
- **Phone:** (415) 379-2900 · **Fax:** (415) 666-3144
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1457779266) · Data from the CMS NPPES public registry.