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Edit this profileAt a glance
- 1300 S Eliseo Dr Ste 207, Greenbrae, CA 94904
About Dr. Maddox
Based in Greenbrae, CA, John L. Maddox, MD is listed in the NPI registry under dermatology. John is also listed as specializing in pediatric dermatology and mohs surgery / dermatologic surgery. NPI 1790837508 identifies this record in the national registry.
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) 925-0550
- Email not available
Practice Locations
1300 S ELISEO DR STE 207
Greenbrae, CA 94904
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 dermatologists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Common questions
What is Dr. Maddox's specialty?
Dr. Maddox is a dermatologist (skin doctor) in Greenbrae, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where can I find Dr. Maddox?
Dr. Maddox is listed at 1300 S Eliseo Dr Ste 207, Greenbrae, CA 94904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Maddox?
The number on file is (415) 925-0550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Maddox's NPI number?
Dr. Maddox's National Provider Identifier is 1790837508. 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 Dr. Maddox been practicing?
Dr. Maddox has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Maddox confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maddox. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.