Physician Profile
Clifford Quan, MD
Unclaimed ProfileAbout Dr. Quan
Based in Antioch, CA, Clifford Quan, MD is listed in the NPI registry under infectious disease. Clifford graduated from University of California, Geffen School of Medicine in 2004.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (925) 295-4612
- Email not available
Practice Locations
4501 SAND CREEK RD
Antioch, CA 94531
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Quan's specialty?
Dr. Quan is an infectious disease specialist in Antioch, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
Where can I find Dr. Quan?
Dr. Quan is listed at 4501 Sand Creek Rd, Antioch, CA 94531. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Quan?
The number on file is (925) 295-4612. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Quan's NPI number?
Dr. Quan's National Provider Identifier is 1235322264. 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
What is Dr. Quan's medical education?
Dr. Quan attended University of California, Geffen School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Quan been practicing?
Dr. Quan has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Quan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Quan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.