NPPES file of Aug 9, 2026

Robert Stewart Powell, MD

Neuromusculoskeletal Medicine & OMM Physician · San Diego, CA

Robert Stewart Powell, MD is a neuromusculoskeletal medicine & omm physician with a practice address in San Diego, California, and NPI 1376695734, issued on Jan 17, 2007. Check the license (California A77251, as entered in NPPES) with the California board that licenses this profession; 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
1376695734
Name
Robert Stewart Powell
Credential
MD
Primary taxonomy
Neuromusculoskeletal Medicine & OMM Physician 204D00000X
License number
A77251 CA
Self-reported in NPPES; status is on the state search
Practice location
4647 Zion Ave, San Diego, CA 92120
Phone
(619) 528-5000
Enumerated
Jan 17, 2007
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040617001502); accepts Medicare assignment
Medical or professional school
Eastern Virginia Medical School, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4647 Zion Ave

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

  1. Samy Abdou, MDNeurological Surgery Physician1215085006
  2. Samvel Abelyan, PHARMDPharmacist1306629928
  3. Ali Aboutaleb, MDFamily Medicine Physician1821261405
  4. Patricia Achilly, CNMAdvanced Practice Midwife1932257847
  5. Linda Adams, PAPhysician Assistant1427174689
  6. Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081

Verify Robert Stewart Powell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license A77251
    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
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4% more Medicare Part D claims than the average neuromusculoskeletal medicine & omm physician in 2024

626 Medicare Part D claims for 135 beneficiaries, against an average of 604 among the 400 providers of this specialty who prescribed in Part D. 150 claims were for opioids.

  1. Robert Powell626
  2. Specialty average604

Most prescribed

  1. Gabapentin149 claims
  2. Oxycodone Hcl137 claims
  3. Dexamethasone136 claims
  4. Meloxicam115 claims
  5. Omeprazole72 claims
  6. Oxycodone-Acetaminophen12 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Stewart Powell among 220 neuromusculoskeletal medicine & omm physician records in California

Robert Stewart Powell, MD is one of 220 neuromusculoskeletal medicine & omm physician records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 22% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1997 · median 1997 among the 109 with a school on file
  • Record last updated2021 · 85% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neuromusculoskeletal Medicine & OMM Physician providers in California

There are 220 neuromusculoskeletal medicine & omm physician records in California.

The 8 neuromusculoskeletal medicine & omm physician records with the nearest ZIP codes

  1. Delois Bean, MDSan Diego, CA 921201477601292
  2. John Clifford, MDSan Diego, CA 921201952460586
  3. Chad Elsner, MDSan Diego, CA 921201922156744
  4. Donald Fithian, MDSan Diego, CA 921201225105125
  5. Robert Hempton, MDSan Diego, CA 921201902954852
  6. Brent Howard, MDSan Diego, CA 921201437218187
  7. James Lyons, MDSan Diego, CA 921201295883270
  8. William Pfeiffer, MDSan Diego, CA 921201518015577

Common questions

What is Robert Stewart Powell, MD's NPI number?

Robert Stewart Powell, MD's National Provider Identifier (NPI) is 1376695734, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Stewart Powell, MD located?

The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.

How can I verify Robert Stewart Powell, MD's license?

NPPES lists California license number A77251, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Stewart Powell, MD prescribe under Medicare Part D?

In 2024, Robert Stewart Powell, MD had 626 Medicare Part D claims for 135 beneficiaries; the average among neuromusculoskeletal medicine & omm physician prescribers was 604. 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.