Mark Vonzastrow, MD
NPI 1063686202 · Clinical Neurophysiology Physician · San Francisco, CA
Mark Vonzastrow, MD is a Clinical Neurophysiology Physician provider in San Francisco, CA (NPI 1063686202).
Provider details
- NPI number
- 1063686202
- Entity type
- Individual
- Primary specialty
- Clinical Neurophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G68180 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-18
- Last updated
- 2008-04-18
Frequently asked questions
- What is Mark Vonzastrow's NPI number?
- Mark Vonzastrow's National Provider Identifier (NPI) is 1063686202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Vonzastrow's specialty?
- Mark Vonzastrow is listed in the NPPES registry with a primary specialty of Clinical Neurophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Vonzastrow located?
- Mark Vonzastrow's practice location on file with NPPES is 600 16th St, San Francisco, CA 94158-2517.
- What is Mark Vonzastrow's phone number?
- The practice phone number listed in the NPPES registry for Mark Vonzastrow is (415) 476-7000.
- Is Mark Vonzastrow's NPI active?
- Yes — Mark Vonzastrow's NPI (1063686202) is active in the NPPES registry as of the last update on 2008-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.