NPPES file of Aug 9, 2026

Frederick L. Chun, MD

Family Medicine Physician · Covina, CA

Frederick L. Chun, MD is a family medicine physician with a practice address in Covina, California, and NPI 1518926088, issued on Mar 22, 2006. Check the license (California A67862, 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
1518926088
Name
Frederick L. Chun
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A67862 CA
Self-reported in NPPES; status is on the state search
Practice location
420 W Rowland St, Covina, CA 91723
Phone
(626) 331-6411
Enumerated
Mar 22, 2006
Record last updated
Apr 18, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(626) 251-1560
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 420 W Rowland St

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

  1. Mary Absood, M.D.Internal Medicine Physician1497735906
  2. Nancy Aceves, RN, FNPFamily Nurse Practitioner1235171703
  3. Joseph Alonzo, M.D.Internal Medicine Physician1225077050
  4. Sarah Anh, M.D.Emergency Medicine Physician1104037159
  5. Travis Boyer, FNPFamily Nurse Practitioner1265901870
  6. Annamari Cabrera, MDPediatrics Physician1881653434

Verify Frederick L. Chun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67862
    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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84% fewer Medicare Part D claims than the average family medicine physician in 2024

566 Medicare Part D claims for 117 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Frederick Chun566
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium56 claims
  2. Metformin Hcl42 claims
  3. Diclofenac Sodium33 claims
  4. Amlodipine Besylate32 claims
  5. Gabapentin32 claims
  6. Omeprazole26 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.

Frederick L. Chun among 17,133 family medicine physician records in California

Frederick L. Chun, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2008 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 family medicine physician records list a practice address in Covina

They are 21 of the 3,736 NPPES records with a practice address in Covina, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Robert Baker, MDCovina, CA 917231033107750
  2. Randolph Betts, M.D.Covina, CA 917231932113685
  3. Ivan Breed, MDCovina, CA 917231073539474
  4. Gail Campofiore, MDCovina, CA 917231447262258
  5. Jose Castellanos, M.D.Covina, CA 917231669486783
  6. Parissa Ghovanlou, MDCovina, CA 917231801979018
  7. Jeffrey Gin, M.D.Covina, CA 917231225140759
  8. Kevin Liao, D.O.Covina, CA 917231144534876

Common questions

What is Frederick L. Chun, MD's NPI number?

Frederick L. Chun, MD's National Provider Identifier (NPI) is 1518926088, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frederick L. Chun, MD located?

The NPPES record lists a practice address at 420 W Rowland St, Covina, CA, 91723. Phone: (626) 331-6411. Providers update this record themselves, so call before visiting.

How can I verify Frederick L. Chun, MD's license?

NPPES lists California license number A67862, 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 Frederick L. Chun, MD prescribe under Medicare Part D?

In 2024, Frederick L. Chun, MD had 566 Medicare Part D claims for 117 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.