NPPES file of Aug 9, 2026

Joshua Chia-Shih Chao

Surgery Physician · Los Angeles, CA

Joshua Chia-Shih Chao is a surgery physician with a practice address in Los Angeles, California, and NPI 1124557251, issued on Jun 12, 2017. Check the license (California A197608, 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
1124557251
Name
Joshua Chia-Shih Chao
Primary taxonomy
Surgery Physician 208600000X
License number
A197608 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Ucla Medical Plz Ste 310, Los Angeles, CA 90024
Phone
(310) 267-7838
Enumerated
Jun 12, 2017
Record last updated
Aug 5, 2024
Medicare enrollment
Enrolled (PECOS I20251125003307); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2017
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 100 Ucla Medical Plz Ste 310

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

  1. Martin Barrio, MD, MSSurgery Physician1801357751
  2. Helena Chang, MDSurgical Oncology Physician1306859038
  3. Linnea CripeSurgery Physician1750962197
  4. Hope Feldman, MDSurgery Physician1114424595
  5. Avital Harari, M.D.Surgery Physician1831349935
  6. Na Eun Kim, MDSurgery Physician1477948859

Verify Joshua Chia-Shih Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A197608
    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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37% fewer Medicare Part D claims than the average surgery physician in 2024

93 Medicare Part D claims for 68 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 60 claims were for opioids.

  1. Joshua Chao93
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl38 claims
  2. Tramadol Hcl21 claims
  3. Levothyroxine Sodium11 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: $28.98

1 payment: food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joshua Chao$28.98
  2. Specialty average$3,513.80

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

Bills Medicare through one group practice

  1. Albany Medical CollegeAlbany, NY

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

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

Other surgery physician records in California

  1. Miriam Abaunza, M.D.Los Angeles, CA1538470778
  2. Hana Abdirahman, MDTemecula, CA1265288112
  3. Sherwin Abdoli, MDPetaluma, CA1508386442
  4. Mhdshafic Abdulkarim, MDOrange, CA1750174249
  5. Sarah Abdulla, M.D.Baldwin Park, CA1699200840
  6. Shoko Abe, M.D.Berkeley, CA1609178136
  7. Stuart Abel, M.D.Los Angeles, CA1750761516
  8. Elliot Abemayor, MDLos Angeles, CA1972527414
  9. Marc Abi Karam, MD, MSPalo Alto, CA1437846508
  10. Ali Abidali, DOGlendora, CA1861888794

Common questions

What is Joshua Chia-Shih Chao's NPI number?

Joshua Chia-Shih Chao's National Provider Identifier (NPI) is 1124557251, issued on Jun 12, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Chia-Shih Chao located?

The NPPES record lists a practice address at 100 Ucla Medical Plz Ste 310, Los Angeles, CA, 90024. Phone: (310) 267-7838. Providers update this record themselves, so call before visiting.

How can I verify Joshua Chia-Shih Chao's license?

NPPES lists California license number A197608, 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 Joshua Chia-Shih Chao prescribe under Medicare Part D?

In 2024, Joshua Chia-Shih Chao had 93 Medicare Part D claims for 68 beneficiaries; the average among surgery physician prescribers was 147. 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.