NPPES file of Aug 9, 2026

Joel Chiu

Emergency Medicine Physician · San Leandro, CA

Joel Chiu is an emergency medicine physician with a practice address in San Leandro, California, and NPI 1295726446, issued on Nov 4, 2005. Check the license (California G82224, 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
1295726446
Name
Joel Chiu
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
G82224 CA
MD61137334 WA
2685 MN
320293 NY
Self-reported in NPPES; status is on the state search
Practice location
13855 E 14TH St, San Leandro, CA 94578
Phone
(209) 342-2300
Enumerated
Nov 4, 2005
Record last updated
Jan 30, 2023
Fax
(209) 524-4240
Medicaid ID
00G822240 CA
Medicare enrollment
Enrolled (PECOS I20080605000378); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 13855 E 14TH St

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

  1. Edris Afzali, M.D.Emergency Medicine Physician1265661813
  2. Lindsay Allen, PA-CPhysician Assistant1215371745
  3. Sarah Archenbronn, FNP-BCFamily Nurse Practitioner1154664241
  4. Aaron Burchfield, MDEmergency Medicine Physician1255312237
  5. Vanessa Calderon, MDEmergency Medicine Physician1275854820
  6. Rogelio DawkinsEmergency Medicine Physician1467443234

Verify Joel Chiu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G82224
    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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26% fewer Medicare Part D claims than the average emergency medicine physician in 2024

167 Medicare Part D claims for 145 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Joel Chiu167
  2. Specialty average226

Most prescribed

  1. Cephalexin17 claims
  2. Paxlovid15 claims
  3. Nitrofurantoin Mono-Macro12 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.

Industry payments in 2024: $476.47

3 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joel Chiu$476.47
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Cep America - CaliforniaAntioch, CA
  2. Franciscan Medical GroupOrinda, CA
  3. Sutter Bay Medical FoundationOrinda, CA

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

59 emergency medicine physician records list a practice address in San Leandro

They are 59 of the 4,976 NPPES records with a practice address in San Leandro, and 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 Joel Chiu's NPI number?

Joel Chiu's National Provider Identifier (NPI) is 1295726446, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joel Chiu located?

The NPPES record lists a practice address at 13855 E 14TH St, San Leandro, CA, 94578. Phone: (209) 342-2300. Providers update this record themselves, so call before visiting.

How can I verify Joel Chiu's license?

NPPES lists California license number G82224, 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 Joel Chiu prescribe under Medicare Part D?

In 2024, Joel Chiu had 167 Medicare Part D claims for 145 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.