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

Dr. John Thomas Neff, MD

Individual provider Pain Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1356304703

Dr. John Thomas Neff, MD is a Physical Medicine and Rehabilitation in San Diego, California. Graduated from Saint Louis University School of Medicine in 1990, 36 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
Saint Louis 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

34800 Bob Wilson Dr Nmcsd
San Diego, CA 92134-1098
Phone: (619) 532-7275
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pain Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081P2900X · Licence G75198 (CA)

Record details

NPI number1356304703
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2006
Last updated in NPPESNovember 30, 2021

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Also practisesPAIN MANAGEMENT
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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