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DR. JOHN THOMAS NEFF M.D.
NPI 1356304703
Physical Medicine & Rehabilitation - Pain Medicine in San Diego, CA

Active since April 07, 2006PECOS EnrolledAccepts Medicare Assignment
34800 BOB WILSON DR, NMCSD, SAN DIEGO, CA 92134(619) 532-7275 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. John Thomas Neff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN THOMAS NEFF M.D. (NPI 1356304703) is an individual pain medicine provider in San Diego, California, licensed in California (G75198) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1990).

NPPES Registry Identity

NPI1356304703
Entity TypeIndividualMale
Primary Taxonomy2081P2900X
Provider Legal NameDR. JOHN THOMAS NEFFCredential: M.D.
Location Address34800 BOB WILSON DR, NMCSDSan Diego, CA 92134-1098
Mailing Address11081 Mulgrave RdSan Diego, CA 92131-3632 · (858) 536-8959
Phone(619) 532-7275
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 1990
Enumeration DateApril 7, 2006
Last NPPES UpdateNovember 30, 2021
✔ NPI 1356304703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P2900X
License✔ Licensed in CA · G75198
Definition
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
34800 BOB WILSON DR, San Diego, CA 92134
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Thomas Neff M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335391820
PECOS Enrollment IDI20121207000376
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show John Neff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
2.8 mi
Health Maintenance Organization
1288 CAMINO DEL RIO N
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1023425972 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LORENA MARIE FUJII N.P.
Nurse Practitioner (Pediatrics)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-8910
JANELLE MARIE MARRA DO
Family Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
LAKIESHA NICOLE MURPHY
Nurse's Aide
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 713-3385
SUSANNA BYRNE D.O.
Anesthesiology
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
DR. PAUL CHARLES CAMPBELL D.O.
Urology (Pediatric Urology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-7200
PHILLIP EDWARD FRY JR. DO
Emergency Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
BRADLY JAMES STILLEY IDC
Military Health Care Provider (Independent Duty Corpsman)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (360) 941-9989
DR. ELIZABETH WHIPPLE PHD
Military Health Care Provider
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Neff's NPI number?

The NPI number for John Neff is 1356304703. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Where is John Neff located?

John Neff practices at 34800 Bob Wilson Dr Nmcsd, San Diego, CA 92134. The listed phone number is (619) 532-7275.

What is John Neff's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Is John Neff enrolled in Medicare?

Yes. John Neff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for John Neff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Neff reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Neff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Neff was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.