NPPES file of Aug 9, 2026

Eric H. Chan, M.D.

Glaucoma Specialist (Ophthalmology) Physician · Riverside, CA

Eric H. Chan, M.D. is a glaucoma specialist (ophthalmology) physician with a practice address in Riverside, California, and NPI 1427443316, issued on Mar 30, 2015. Check the license (California A160341, 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
1427443316
Name
Eric H. Chan
Credential
M.D.
Primary taxonomy
Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
License number
A160341 CA
Self-reported in NPPES; status is on the state search
Practice location
7117 Brockton Ave, Riverside, CA 92506
Phone
(951) 782-3080
Enumerated
Mar 30, 2015
Record last updated
Apr 11, 2025
Fax
(951) 784-3258
Medicare enrollment
Enrolled (PECOS I20190717003618); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2015
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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8 nearest glaucoma specialist (ophthalmology) physician records → All 70 in California → Look up another NPI →

Also registered at 7117 Brockton Ave

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

  1. Jieun AhnInternal Medicine Physician1225771173
  2. Shannon AllenFamily Nurse Practitioner1982089173
  3. Ghanim Almohammad Aljomah, M.D.Pediatric Gastroenterology Physician1447414099
  4. Apoorva Ananth, MDInternal Medicine Physician1558866863
  5. Hedy Assaad, MDPediatrics Physician1154302529
  6. Andre Babajanians, MDRheumatology Physician1255311676

Verify Eric H. Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A160341    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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75% more Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024

5,352 Medicare Part D claims for 983 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Eric Chan5,352
  2. Specialty average3,060

Most prescribed

  1. Latanoprost1,541 claims
  2. Prednisolone Acetate586 claims
  3. Timolol Maleate537 claims
  4. Brimonidine Tartrate457 claims
  5. Ofloxacin448 claims
  6. Dorzolamide-Timolol397 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: $199.54

9 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 391 providers of this specialty with any payment received $5,284.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Chan$199.54
  2. Specialty average$5,284.60

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. Riverside Medical Clinic IncRiverside, CA

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

Eric H. Chan among 70 glaucoma specialist (ophthalmology) physician records in California

Eric H. Chan, M.D. is one of 70 glaucoma specialist (ophthalmology) physician records with a practice address in California. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 57% of them.

  • NPI issued2015 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 97% of these records are
  • In the CMS Doctors and Clinicians fileYes · 93% of these records are
  • Graduated2015 · median 2013 among the 65 with a school on file
  • Record last updated2025 · 30% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Glaucoma Specialist (Ophthalmology) Physician providers in California

There are 70 glaucoma specialist (ophthalmology) physician records in California.

All 70 in California → Every provider in Riverside → Glaucoma Specialist (Ophthalmology) Physician nationwide →

The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Anthony GregorySan Bernardino, CA 924041467784389
  2. Sahil Aggarwal, MDVictorville, CA 923951497216428
  3. Austin Fox, M.D.Irvine, CA 926171851740591
  4. Ken Lin, M.D., PH.D.Irvine, CA 926171205153939
  5. Sameh Mosaed, MDIrvine, CA 926171275613432
  6. Jack Creagmile, MDLoma Linda, CA 923541659909497
  7. Mohammad Pakravan, MDLoma Linda, CA 923541609459239
  8. Andrew Smith, M.D.Irvine, CA 926971215460670

Common questions

What is Eric H. Chan, M.D.'s NPI number?

Eric H. Chan, M.D.'s National Provider Identifier (NPI) is 1427443316, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Eric H. Chan, M.D. located?

The NPPES record lists a practice address at 7117 Brockton Ave, Riverside, CA, 92506. Phone: (951) 782-3080. Providers update this record themselves, so call before visiting.

How can I verify Eric H. Chan, M.D.'s license?

NPPES lists California license number A160341, 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 Eric H. Chan, M.D. prescribe under Medicare Part D?

In 2024, Eric H. Chan, M.D. had 5,352 Medicare Part D claims for 983 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.