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JOHN STANDISH ADAMS M.D.
NPI 1588944201
Pediatrics - Adolescent Medicine in Sacramento, CA

Active since August 25, 2011PECOS Enrolled
2521 STOCKTON BLVD, SACRAMENTO, CA 95817(916) 734-5387(916) 456-2236 Get Directions Write a Review

NPPES record last updated: February 16, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About John Standish Adams M.d. NPPES

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

JOHN STANDISH ADAMS M.D. (NPI 1588944201) is an individual adolescent medicine provider in Sacramento, California, licensed in California (A119705) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1588944201
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameJOHN STANDISH ADAMSCredential: M.D.
Location Address2521 STOCKTON BLVDSacramento, CA 95817-2207
Mailing Address2815 Stockton BlvdSacramento, CA 95816 · (916) 734-5387 · Fax (916) 456-2236
Phone(916) 734-5387
Fax(916) 456-2236
Sole ProprietorNo
Enumeration DateAugust 25, 2011
Last NPPES UpdateFebruary 16, 2024
NPPES CertifiedFebruary 15, 2024
✔ NPI 1588944201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in CA · A119705
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
Also ListedInternal MedicineTaxonomy 207R00000X · License A117705 (CA)
Also ListedPediatricsTaxonomy 208000000X · License A119705 (CA), 262435 (MA)
2521 STOCKTON BLVD, Sacramento, CA 95817
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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 (PECOS)

John Standish Adams M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Adams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of Ca
Same address
Pediatric Critical Care Medicine
2521 STOCKTON BLVD
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The Univ Of Ca
  • 2,570 clinicians in this Medicare group
NPI 1104815067 (916) 734-3179

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.

DR. REBECCA ANNE STARK MD
Surgery (Pediatric Surgery)
2521 STOCKTON BLVD, UCDMC GLASSROCK PEDS. SURGERY - SUITE 3200
SACRAMENTO, CA 95817
Sacramento County (916) 734-3229
DR. ANGEL ALBERTO HERRERA GUERRA MD
Pediatrics (Pediatric Rheumatology)
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2105
MS. SULTANNA B. IDEN RN
Registered Nurse (Pediatrics)
2521 STOCKTON BLVD, PEDIATRICS
SACRAMENTO, CA 95817
Sacramento County (916) 734-0494
MISS MARY LOUISE HUNTER R.D.A.
Dental Assistant
2521 STOCKTON BLVD, ROOM 5200
SACRAMENTO, CA 95817
Sacramento County (916) 734-5408
DR. RODNEY C. DIAZ M.D.
Otolaryngology
2521 STOCKTON BLVD, SUITE 7200
SACRAMENTO, CA 95817
Sacramento County (916) 734-3744
DEBORAH HELEN AMOTT M.D
Otolaryngology
2521 STOCKTON BLVD, SUITE 7200
SACRAMENTO, CA 95817
Sacramento County (916) 734-2801
DR. CRAIG WILLIAM SENDERS MD
Otolaryngology
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2801
REGENTS OF THE UNIVERSITY OF CA
Pediatrics (Pediatric Critical Care Medicine)
2521 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-3179

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 Adams's NPI number?

The NPI number for John Adams is 1588944201. It was assigned to this individual provider in the NPPES registry on August 25, 2011.

Where is John Adams located?

John Adams practices at 2521 Stockton Blvd, Sacramento, CA 95817. The listed phone number is (916) 734-5387.

What is John Adams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is John Adams enrolled in Medicare?

Yes. John Adams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Adams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Adams reassigns Medicare benefits to Regents Of The University Of Ca (Sacramento, 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 Adams'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 Adams was last updated on February 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.