Are you Gregory A. Fonzo, PhD? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 870 Market St, Suite 958, San Francisco, CA 94102
About Dr. Fonzo
Gregory A. Fonzo, PhD is a psychologist — clinical practicing in San Francisco, CA. This provider record is associated with NPI 1174858070.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (650) 394-6586
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
870 MARKET ST SUITE 958
San Francisco, CA 94102
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychologists at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other psychologists in San Francisco 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Gregory A. Fonzo?
Gregory A. Fonzo is a psychologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
What is Gregory A. Fonzo's address?
Gregory A. Fonzo is listed at 870 Market St Suite 958, San Francisco, CA 94102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gregory A. Fonzo?
The number on file is (650) 394-6586. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory A. Fonzo's NPI number?
Gregory A. Fonzo's National Provider Identifier is 1174858070. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Gregory A. Fonzo train?
Gregory A. Fonzo attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory A. Fonzo been practicing?
Gregory A. Fonzo has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
Has Gregory A. Fonzo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory A. Fonzo. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.