NPPES file of Aug 9, 2026

Charles E. Keller, M.D.

Specialist · Orange, CA

Charles E. Keller, M.D. is a specialist with a practice address in Orange, California, and NPI 1558324392, issued on Apr 11, 2006. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558324392
Name
Charles E. Keller
Credential
M.D.
Primary taxonomy
Specialist 174400000X
Practice location
1010 W. Laveta Avenue, Orange, CA 92868
Phone
(714) 633-5696
Enumerated
Apr 11, 2006
Record last updated
Jul 1, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(714) 633-5490
Medicare enrollment
Enrolled (PECOS I20090128000561); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1984
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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Verify Charles E. Keller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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21% fewer Medicare Part D claims than the average specialist in 2024

1,090 Medicare Part D claims for 343 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Charles Keller1,090
  2. Specialty average1,380

Most prescribed

  1. Latanoprost324 claims
  2. Prednisolone Acetate197 claims
  3. Polymyxin B Sul-Trimethoprim109 claims
  4. Dorzolamide-Timolol98 claims
  5. Prolensa53 claims
  6. Brimonidine Tartrate-Timolol29 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 75.4 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 score100.0
  2. Costout of 100 · 30%18.7
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

Industry payments in 2024: $102.50

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Keller$102.50
  2. Specialty average$4,760.79

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. Harvard Eye Associates Fka Roger Ohanesian MD And Edward Kim MD IncOrange, CA

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

Charles E. Keller among 5,749 specialist records in California

Charles E. Keller, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1984 · median 1989 among the 1,075 with a school on file
  • Record last updated2010 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Michael Arquilla, M.D.Orange, CA 928681598734832
  2. Birbal Bhaskar, M.D.Orange, CA 928681194773168
  3. Ayaz Biviji, M.D.Orange, CA 928681023008422
  4. Michele Carpenter, M.D.Orange, CA 928681770543712
  5. Richard Faraday, M.D.Orange, CA 928681881662021
  6. Thomas Kim, M.D.Orange, CA 928681144225301
  7. Eric Lee, M.D.Orange, CA 928681720075641
  8. Milton Legome, M.D.Orange, CA 928681013904911

Common questions

What is Charles E. Keller, M.D.'s NPI number?

Charles E. Keller, M.D.'s National Provider Identifier (NPI) is 1558324392, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles E. Keller, M.D. located?

The NPPES record lists a practice address at 1010 W. Laveta Avenue, Orange, CA, 92868. Phone: (714) 633-5696. Providers update this record themselves, so call before visiting.

How can I verify Charles E. Keller, M.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Charles E. Keller, M.D. prescribe under Medicare Part D?

In 2024, Charles E. Keller, M.D. had 1,090 Medicare Part D claims for 343 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Charles E. Keller, M.D.'s MIPS final score?

The 2023 MIPS final score is 75.4 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.