Registry data as of Aug 27, 2026

Nicholas Aldridge, M.D., M.P.H.

Emergency Medicine Physician · San Diego, CA

Nicholas Aldridge, M.D., M.P.H. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1700293214, issued on Jul 16, 2014. Check the license (California A138680, 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
1700293214
Name
Nicholas Aldridge
Credential
M.D., M.P.H.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A138680 CA
Self-reported in NPPES; status is on the state search
Practice location
200 W Arbor Dr # MC8676, San Diego, CA 92103
Phone
(619) 543-4627
Enumerated
Jul 16, 2014
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 W Arbor Dr # MC8676

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

  1. Sarah AlzaabiStudent in an Organized Health Care Education/Training Program1245081116
  2. Kaighley Brett, MDStudent in an Organized Health Care Education/Training Program1841711090
  3. Bill Chan, MDEmergency Medicine Physician1255073706
  4. Juan Day, MDStudent in an Organized Health Care Education/Training Program1699577114
  5. Anna DekayStudent in an Organized Health Care Education/Training Program1164041539
  6. Jake Del Rosso, MDStudent in an Organized Health Care Education/Training Program1225597271

Verify Nicholas Aldridge in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A138680
    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 →

35% fewer Medicare Part D claims than the average emergency medicine physician in 2024

232 Medicare Part D claims for 141 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Nicholas Aldridge232
  2. Specialty average355

Most prescribed

  1. Ondansetron Odt24 claims
  2. Omeprazole22 claims
  3. Prednisone17 claims
  4. Cefpodoxime Proxetil16 claims
  5. Naproxen15 claims
  6. Sulfamethoxazole-Trimethoprim15 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.

Emergency Medicine Physician providers in California

There are 7,133 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Nicholas Aldridge, M.D., M.P.H.'s NPI number?

Nicholas Aldridge, M.D., M.P.H.'s National Provider Identifier (NPI) is 1700293214, issued on Jul 16, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Aldridge, M.D., M.P.H. located?

The NPPES record lists a practice address at 200 W Arbor Dr # MC8676, San Diego, CA, 92103. Phone: (619) 543-4627. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Aldridge, M.D., M.P.H.'s license?

NPPES lists California license number A138680, 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 Nicholas Aldridge, M.D., M.P.H. prescribe under Medicare Part D?

In 2024, Nicholas Aldridge, M.D., M.P.H. had 232 Medicare Part D claims for 141 beneficiaries; the average among emergency medicine physician prescribers was 355. 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.