NPPES file of Aug 9, 2026

Anthony Chung-Kai Chyou, M. D.

Interventional Cardiology Physician · Long Beach, CA

Anthony Chung-Kai Chyou, M. D. is an interventional cardiology physician with a practice address in Long Beach, California, and NPI 1457592073, issued on Mar 11, 2009. Check the license (California A147922, 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
1457592073
Name
Anthony Chung-Kai Chyou
Credential
M. D.
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
A147922 CA
Self-reported in NPPES; status is on the state search
Practice location
2699 Atlantic Ave, Long Beach, CA 90806
Phone
(562) 426-3333
Enumerated
Mar 11, 2009
Record last updated
Jul 5, 2023
Medicare enrollment
Enrolled (PECOS I20171025001959); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2010
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 2699 Atlantic Ave

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

  1. Joilyn AndersonFamily Nurse Practitioner1114557170
  2. Mark Asbill, M.D.Internal Medicine Physician1558310896
  3. Renuka Boyapalli, MDEndocrinology, Diabetes & Metabolism Physician1558399311
  4. Lauren Choi, M.D.Endocrinology, Diabetes & Metabolism Physician1699736132
  5. Jeffrey Chwa, DORheumatology Physician1285989236
  6. Aparna Das, MDInternal Medicine Physician1811181332

Verify Anthony Chung-Kai Chyou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A147922
    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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7% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

2,950 Medicare Part D claims for 464 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Anthony Chyou2,950
  2. Specialty average3,179

Most prescribed

  1. Metoprolol Succinate437 claims
  2. Eliquis244 claims
  3. Carvedilol223 claims
  4. Atorvastatin Calcium221 claims
  5. Spironolactone190 claims
  6. Furosemide187 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: $223.79

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anthony Chyou$223.79
  2. Specialty average$7,062.29

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. Pacific Cardiovascular Associates Medical Group, Inc.Laguna Hills, CA

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

Anthony Chung-Kai Chyou among 632 interventional cardiology physician records in California

Anthony Chung-Kai Chyou, M. D. is one of 632 interventional cardiology physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.

  • NPI issued2009 · 69% of these records are older, 27% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated2010 · median 2001 among the 526 with a school on file
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in California

There are 632 interventional cardiology physician records in California.

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. George Nasr, MDLong Beach, CA 908061831693753
  2. Henry Van Gieson, MDLong Beach, CA 908061669403549
  3. Steven Appleby, MDLong Beach, CA 908081629126644
  4. David Shavelle, M.D.Long Beach, CA 908081154315919
  5. Chengalroyan Raghunathan, MDParamount, CA 907231407904089
  6. Watson Desa, MDLos Alamitos, CA 907201235185620
  7. Robert Lee, M.D.Los Alamitos, CA 907201861684201
  8. Omid Vahdat, M.D.Los Alamitos, CA 907201033164330

Common questions

What is Anthony Chung-Kai Chyou, M. D.'s NPI number?

Anthony Chung-Kai Chyou, M. D.'s National Provider Identifier (NPI) is 1457592073, issued on Mar 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Chung-Kai Chyou, M. D. located?

The NPPES record lists a practice address at 2699 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 426-3333. Providers update this record themselves, so call before visiting.

How can I verify Anthony Chung-Kai Chyou, M. D.'s license?

NPPES lists California license number A147922, 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 Anthony Chung-Kai Chyou, M. D. prescribe under Medicare Part D?

In 2024, Anthony Chung-Kai Chyou, M. D. had 2,950 Medicare Part D claims for 464 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.