NPPES file of Aug 9, 2026

John S. Adams, MD

Orthopaedic Surgery Physician · Los Angeles, CA

John S. Adams, MD is an orthopaedic surgery physician with a practice address in Los Angeles, California, and NPI 1215914114, issued on Dec 30, 2005. Check the license (California G48420, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215914114
Name
John S. Adams
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
G48420 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Ucla Medical Plz, Los Angeles, CA 90095
Phone
(310) 825-0652
Enumerated
Dec 30, 2005
Record last updated
Apr 23, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
00G484200 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 200 Ucla Medical Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Farah AbdiInternal Medicine Physician1144752783
  2. Andrea Alaniz, BSN, RNRegistered Nurse1942653639
  3. Pamela Jean Boyer, MDObstetrics Physician1265460620
  4. Bruce Brown, M.D.Orthopaedic Surgery Physician1033147202
  5. Yunying Chen, NPNurse Practitioner1558944520
  6. Arnold Chin, MD, PHDUrology Physician1356578066

Verify John S. Adams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G48420
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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19% more Medicare Part D claims than the average orthopaedic surgery physician in 2024

412 Medicare Part D claims for 14 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.

  1. John Adams412
  2. Specialty average346

Most prescribed

  1. Atorvastatin Calcium31 claims
  2. Latanoprost31 claims
  3. Levetiracetam23 claims
  4. Amlodipine Besylate20 claims
  5. Eliquis13 claims
  6. Ezetimibe12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

John S. Adams among 2,276 orthopaedic surgery physician records in California

John S. Adams, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2012 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Dane BrodkeLos Angeles, CA 900951316443435
  2. Bruce Brown, M.D.Los Angeles, CA 900951033147202
  3. Edward Cheung, MDLos Angeles, CA 900951942566872
  4. Andrea Cracchiolo, MDLos Angeles, CA 900951952477531
  5. Eric Farrell, MDLos Angeles, CA 900951215020854
  6. Nickolas FretesLos Angeles, CA 900951184018004
  7. Robert Pedowitz, MDLos Angeles, CA 900951235175563
  8. Brendan ShiLos Angeles, CA 900951871038695

Common questions

What is John S. Adams, MD's NPI number?

John S. Adams, MD's National Provider Identifier (NPI) is 1215914114, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John S. Adams, MD located?

The NPPES record lists a practice address at 200 Ucla Medical Plz, Los Angeles, CA, 90095. Phone: (310) 825-0652. Providers update this record themselves, so call before visiting.

How can I verify John S. Adams, MD's license?

NPPES lists California license number G48420, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John S. Adams, MD prescribe under Medicare Part D?

In 2024, John S. Adams, MD had 412 Medicare Part D claims for 14 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.