NPPES file of Aug 9, 2026

William Coke Harrell, MD

Internal Medicine Physician · Los Alamitos, CA

William Coke Harrell, MD is an internal medicine physician with a practice address in Los Alamitos, California, and NPI 1083673685, issued on Mar 22, 2006. Check the license (California G64492, 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
1083673685
Name
William Coke Harrell
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G64492 CA
Self-reported in NPPES; status is on the state search
Practice location
10861 Cherry St Ste 209, Los Alamitos, CA 90720
Phone
(310) 948-5903
Enumerated
Mar 22, 2006
Record last updated
Oct 11, 2024
Fax
(310) 315-7933
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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Verify William Coke Harrell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G64492
    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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66% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,074 Medicare Part D claims for 154 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. William Harrell1,074
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium66 claims
  2. Amlodipine Besylate48 claims
  3. Levothyroxine Sodium37 claims
  4. Losartan Potassium30 claims
  5. Rosuvastatin Calcium28 claims
  6. Metformin Hcl26 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.

William Coke Harrell among 17,696 internal medicine physician records in California

William Coke Harrell, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

40 internal medicine physician records list a practice address in Los Alamitos

They are 40 of the 1,035 NPPES records with a practice address in Los Alamitos, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Barry Allswang, MDLos Alamitos, CA 907201720016397
  2. Carlos ArguedasLos Alamitos, CA 907201023075579
  3. Vichai Bhoopat, M.D.Los Alamitos, CA 907201841211497
  4. Winston Chung, MDLos Alamitos, CA 907201851322085
  5. Gerald Cohen, MDLos Alamitos, CA 907201306877253
  6. Heena Contractor, M.D.Los Alamitos, CA 907201518954973
  7. Taolin Jen, M.D.Rossmoor, CA 907201457384828
  8. Harold Lin, M.D.Los Alamitos, CA 907201467472472

Common questions

What is William Coke Harrell, MD's NPI number?

William Coke Harrell, MD's National Provider Identifier (NPI) is 1083673685, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Coke Harrell, MD located?

The NPPES record lists a practice address at 10861 Cherry St Ste 209, Los Alamitos, CA, 90720. Phone: (310) 948-5903. Providers update this record themselves, so call before visiting.

How can I verify William Coke Harrell, MD's license?

NPPES lists California license number G64492, 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 William Coke Harrell, MD prescribe under Medicare Part D?

In 2024, William Coke Harrell, MD had 1,074 Medicare Part D claims for 154 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.