Registry data as of Aug 27, 2026

Alexander Stewart, MD

Otolaryngology Physician · San Diego, CA

Alexander Stewart, MD is an otolaryngology physician with a practice address in San Diego, California, and NPI 1093788226, issued on Feb 8, 2006. Check the license (California A108619, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1093788226
Name
Alexander Stewart
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A108619 CA
Self-reported in NPPES; status is on the state search
Practice location
5893 Copley Dr, San Diego, CA 92111
Phone
(858) 616-5100
Enumerated
Feb 8, 2006
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 5893 Copley Dr

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

  1. Vickie BrunkAudiologist1861438392
  2. Tony Cheng, MDGastroenterology Physician1629698923
  3. Yu Tin Chu ChenAudiologist1093550923
  4. Soyeon Chung, PH.D.Clinical Psychologist1124351804
  5. Jessica Collins, M.D., F.R.C.S.C.Plastic Surgery Physician1629321203
  6. Timothy Craft, M.D.Orthopaedic Trauma Physician1952543423

Verify Alexander Stewart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A108619
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

31% fewer Medicare Part D claims than the average otolaryngology physician in 2024

370 Medicare Part D claims for 144 beneficiaries, against an average of 536 among the 7,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 40 claims were for opioids.

  1. Alexander Stewart370
  2. Specialty average536

Most prescribed

  1. Mupirocin68 claims
  2. Ipratropium Bromide59 claims
  3. Doxycycline Monohydrate52 claims
  4. Tramadol Hcl37 claims
  5. Prednisone28 claims
  6. Azelastine Hcl19 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.

One hospital or facility affiliation

  1. Southern California Permanente Medical GroupSan Marcos, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Otolaryngology Physician providers in California

There are 1,225 otolaryngology physician records in California.

Other otolaryngology physician records in California

  1. Arman Abdalkhani, MDPalo Alto, CA1356536130
  2. Ahmed AbdelmeguidPalo Alto, CA1447744180
  3. Rami Abdou, M.D.Santa Rosa, CA1700143013
  4. Eric AbelloOrange, CA1922566215
  5. Mohamed Aboueisha, MDLos Angeles, CA1316678881
  6. Marianne Abouyared, M.D.Sacramento, CA1235472200
  7. Norton Abramson, M.D.San Clemente, CA1356488696
  8. Basil Adad, MDWalnut Creek, CA1487732574
  9. Brett Adams, MDStockton, CA1407934227
  10. Romeo Agbayani, MDGreenbrae, CA1205909603

Common questions

What is Alexander Stewart, MD's NPI number?

Alexander Stewart, MD's National Provider Identifier (NPI) is 1093788226, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Stewart, MD located?

The NPPES record lists a practice address at 5893 Copley Dr, San Diego, CA, 92111. Phone: (858) 616-5100. Providers update this record themselves, so call before visiting.

How can I verify Alexander Stewart, MD's license?

NPPES lists California license number A108619, 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 Alexander Stewart, MD prescribe under Medicare Part D?

In 2024, Alexander Stewart, MD had 370 Medicare Part D claims for 144 beneficiaries; the average among otolaryngology physician prescribers was 536. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.