NPPES file of Aug 9, 2026

Daniel Chien, M.D.

Anesthesiology Physician · Los Angeles, CA

Daniel Chien, M.D. is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1609166503, issued on Apr 12, 2011. Check the license (California A134047, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609166503
Name
Daniel Chien
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A134047 CA
Self-reported in NPPES; status is on the state search
Practice location
8700 Beverly Blvd, Los Angeles, CA 90048
Phone
(310) 423-5000
Enumerated
Apr 12, 2011
Record last updated
Jan 13, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150929000790); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2007
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 8700 Beverly Blvd

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

  1. Jason Aaronson, MDDiagnostic Radiology Physician1023145463
  2. Afshin Afrashteh, MDHospitalist Physician1346402989
  3. Christopher Allen, MDInterventional Cardiology Physician1437970068
  4. Maziar Amini, MDInternal Medicine Physician1669121596
  5. Mose Arditi, M.D.Pediatric Infectious Diseases Physician1154308062
  6. Shahrzad Arya, MDStudent in an Organized Health Care Education/Training Program1144080250

Verify Daniel Chien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A134047
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score85.7
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Cedars-Sinai Medical Care FoundationWest Hollywood, CA

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

Daniel Chien among 7,571 anesthesiology physician records in California

Daniel Chien, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.

  • NPI issued2011 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2007 · median 2006 among the 4,868 with a school on file
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Maury Barth, MDWest Hollywood, CA 900481801894266
  2. Paul Carlton, MDWest Hollywood, CA 900481659379295
  3. David Choi, MDWest Hollywood, CA 900481265430623
  4. Arnold Friedman, MDWest Hollywood, CA 900481174521520
  5. Julian Gold, M.D.West Hollywood, CA 900481275539462
  6. Rukaiya Hamid, MDWest Hollywood, CA 900481710985437
  7. Robert Kariger, MDWest Hollywood, CA 900481851398606
  8. Patrick Kelledy, MDWest Hollywood, CA 900481699771634

Common questions

What is Daniel Chien, M.D.'s NPI number?

Daniel Chien, M.D.'s National Provider Identifier (NPI) is 1609166503, issued on Apr 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Chien, M.D. located?

The NPPES record lists a practice address at 8700 Beverly Blvd, Los Angeles, CA, 90048. Phone: (310) 423-5000. Providers update this record themselves, so call before visiting.

How can I verify Daniel Chien, M.D.'s license?

NPPES lists California license number A134047, 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.

What is Daniel Chien, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. 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.