Philip Theodosopoulos, M.D.
NPI 1154350155 · Neurological Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Theodosopoulos, M.D. is a Neurological Surgery Physician provider in San Francisco, CA (NPI 1154350155).
Provider details
- NPI number
- 1154350155
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-082776 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
580 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $73 |
| Computer-Assisted Radiosurgery of Simple Growth of Brain, Each Additional Growth61797 | 92 | $223 |
| Computer-Assisted Radiosurgery of Simple Growth of Brain, First Growth61796 | 53 | $1,112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $109 |
| Computer-Assisted Radiosurgery Application of Headframe61800 | 47 | $157 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-02
- Last updated
- 2013-08-13
Frequently asked questions
- What is Philip Theodosopoulos's NPI number?
- Philip Theodosopoulos's National Provider Identifier (NPI) is 1154350155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Theodosopoulos's specialty?
- Philip Theodosopoulos is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Theodosopoulos located?
- Philip Theodosopoulos's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-0350.
- What is Philip Theodosopoulos's phone number?
- The practice phone number listed in the NPPES registry for Philip Theodosopoulos is (415) 353-2294.
- Does Philip Theodosopoulos accept Medicare?
- Philip Theodosopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Theodosopoulos's NPI active?
- Yes — Philip Theodosopoulos's NPI (1154350155) is active in the NPPES registry as of the last update on 2013-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.