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

John R Walters, MD

Individual provider Internal Medicine Physician · NPI 1013907203

John R Walters, MD is an Internal Medicine in Oxnard, California. Graduated from University of Southern California Keck School of Medicine in 1976, 50 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
50
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

703 N A St
Oxnard, CA 93030-4309
Phone: (805) 485-2340
Fax: (805) 485-1429
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A46739 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A46739 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence A46739 (CA)

Record details

NPI number1013907203
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 27, 2005
Last updated in NPPESSeptember 5, 2007
Mailing address703 N A St, Oxnard, CA 93030-4309

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPULMONARY DISEASE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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