DR. PHILIP V THEODOSOPOULOS M.D.
NPI 1154350155
Neurological Surgery in San Francisco, CA
About Dr. Philip V Theodosopoulos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILIP V THEODOSOPOULOS M.D. (NPI 1154350155) is an individual neurological surgery provider in San Francisco, California, licensed in California (A064860) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Philip V Theodosopoulos 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 Reassignments
2Medicare enrollment records show Philip Theodosopoulos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 11
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 94143 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Philip Theodosopoulos's NPI number?
The NPI number for Philip Theodosopoulos is 1154350155. It was assigned to this individual provider in the NPPES registry on July 2, 2006.
Where is Philip Theodosopoulos located?
Philip Theodosopoulos practices at 400 Parnassus Ave 8th Floor, San Francisco, CA 94143. The listed phone number is (415) 353-2294.
What is Philip Theodosopoulos's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Philip Theodosopoulos enrolled in Medicare?
Yes. Philip Theodosopoulos 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 Philip Theodosopoulos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Theodosopoulos reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Philip Theodosopoulos'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 Philip Theodosopoulos was last updated on August 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Philip V Theodosopoulos, M.D. · NPI 1154350155
Neurological Surgery physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since July 2, 2006.
## Identity
- **NPI:** 1154350155 (Entity type: Individual)
- **Enumerated:** July 2, 2006
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** A064860 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 PARNASSUS AVE, 8TH FLOOR, San Francisco, CA 94143-0350
- **Phone:** (415) 353-2294 · **Fax:** (415) 353-2624
## 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): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** August 13, 2013
- **Other identifiers:** Medicare ID-Type Unspecified 4117086; Medicaid 2408700 (OH); Medicare UPIN H90493
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Source: [NPI Profile](https://npiprofile.com/npi/1154350155) · Data from the CMS NPPES public registry.