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

Dr. John D. McCarthy

Individual provider Infectious Disease Physician · NPI 1679650923

Dr. John D. McCarthy is an Infectious Disease in Whittier, California. Graduated from University of California, Geffen School of Medicine in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2

Practice location Address checks out

15141 Whittier Blvd Ste 360
Whittier, CA 90603-2184
Phone: (626) 912-5767
Fax: (562) 360-1443
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence G49282 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G49282 (CA)

Record details

NPI number1679650923
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESFebruary 12, 2021
Certification dateFebruary 12, 2021
Mailing addressPo Box 11540, Whittier, CA 90603-0540

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Whittier