Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Clay Hughes Napper, MD

Individual provider Diagnostic Radiology Physician · NPI 1053352815

Clay Hughes Napper, MD is a Diagnostic Radiology in San Mateo, California. Graduated from Wake Forest University School of Medicine in 1992, 34 years ago. Practices with California Advanced Imaging Medical Associates Inc, a 82-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Trained at
Wake Forest University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 S San Mateo Dr
San Mateo, CA 94401-3805
Phone: (650) 696-4515
Fax: (650) 696-4626
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 1720 El Camino Real Ste 118, Burlingame, CA 94010-3225 — (650) 696-7850
  • 1501 Trousdale Dr, Burlingame, CA 94010-4506 — (650) 696-5515
  • 222 W 39th Ave, San Mateo, CA 94403-4364 — (650) 573-2222
  • 935 El Camino Real, South San Francisco, CA 94080-3203 — (650) 873-1050

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G78045 (CA)

Record details

NPI number1053352815
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2006
Last updated in NPPESMarch 19, 2021
Certification dateMarch 18, 2021
Mailing addressP.O. Box 6102, Novato, CA 94948-6102

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolWAKE FOREST UNIVERSITY SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice California Advanced Imaging Medical Associates Inc — 82 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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