Are you Marlene Grenon, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 400 Parnassus Ave, Suite A 581, San Francisco, CA 94143
About Dr. Grenon
Marlene Grenon, M.D. is a healthcare provider in San Francisco, CA specializing in surgery. Marlene is also listed as specializing in vascular surgery. This provider record is associated with NPI 1124260534.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (415) 353-2357
- Email not available
Practice Locations
400 PARNASSUS AVE SUITE A 581
San Francisco, CA 94143
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 general surgeons at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 6 related providers in 1 group
Common questions
What does Marlene Grenon specialize in?
Marlene Grenon is a general surgeon in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where is Marlene Grenon located?
Marlene Grenon is listed at 400 Parnassus Ave Suite A 581, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marlene Grenon's phone number?
The number on file is (415) 353-2357. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marlene Grenon's NPI number?
Marlene Grenon's National Provider Identifier is 1124260534. 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
How long has Marlene Grenon been practicing?
Marlene Grenon has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Marlene Grenon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marlene Grenon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.