NPPES file of Aug 9, 2026

Alex Charles Fox, MD

Emergency Medicine Physician · Berkeley, CA

Alex Charles Fox, MD is an emergency medicine physician with a practice address in Berkeley, California, and NPI 1659626679, issued on Jul 16, 2012. Check the license (California 136190, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659626679
Name
Alex Charles Fox
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
136190 CA
Self-reported in NPPES; status is on the state search
Practice location
2450 Ashby Ave, Berkeley, CA 94705
Phone
(510) 204-4444
Enumerated
Jul 16, 2012
Record last updated
Dec 22, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150720003121); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2012
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 2450 Ashby Ave

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

  1. Henry Abrons, M.D.Critical Care Medicine (Internal Medicine) Physician1821001470
  2. Bobbi AllisonLactation Consultant (Registered Nurse)1952033888
  3. Madison Andersen, RN, BSNRegistered Nurse1518814763
  4. Neel Arant, CNMAdvanced Practice Midwife1528088283
  5. Marina Atala, M.D.Hospitalist Physician1992722359
  6. Richard Bails, M.D.Cardiovascular Disease Physician1336163450

Verify Alex Charles Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 136190
    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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2.4 times the Medicare Part D claims of the average emergency medicine physician in 2024

548 Medicare Part D claims for 319 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Alex Fox548
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt53 claims
  2. Cefdinir35 claims
  3. Metoclopramide Hcl31 claims
  4. Amoxicillin-Clavulanate Potass28 claims
  5. Meclizine Hcl26 claims
  6. Cephalexin25 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.

The MIPS final score for 2023 (Medicare payment program): 79.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.3
  2. Costout of 100 · 30%69.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Emergency Physicians Associates Fremont PCFremont, CA

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

Emergency Medicine Physician providers in California

There are 7,751 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 Alex Charles Fox, MD's NPI number?

Alex Charles Fox, MD's National Provider Identifier (NPI) is 1659626679, issued on Jul 16, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Alex Charles Fox, MD located?

The NPPES record lists a practice address at 2450 Ashby Ave, Berkeley, CA, 94705. Phone: (510) 204-4444. Providers update this record themselves, so call before visiting.

How can I verify Alex Charles Fox, MD's license?

NPPES lists California license number 136190, 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 Alex Charles Fox, MD prescribe under Medicare Part D?

In 2024, Alex Charles Fox, MD had 548 Medicare Part D claims for 319 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Alex Charles Fox, MD's MIPS final score?

The 2023 MIPS final score is 79.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.