NPPES file of Aug 9, 2026

Eric Randall Chen, MD

Ophthalmology Physician · Phoenix, AZ

Eric Randall Chen, MD is an ophthalmology physician with a practice address in Phoenix, Arizona, and NPI 1184245359, issued on Apr 29, 2020. Check the license (Arizona 78039, as entered in NPPES) on the Arizona Medical Board; 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
1184245359
Name
Eric Randall Chen
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
78039 AZ
326592 NY
U9228 TX
Self-reported in NPPES; status is on the state search
Practice location
18325 N Allied Way Ste 100, Phoenix, AZ 85054
Phone
(602) 467-4966
Enumerated
Apr 29, 2020
Record last updated
Sep 25, 2025
Fax
(480) 419-5401
Medicare enrollment
Enrolled (PECOS I20251002002370); accepts Medicare assignment
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 18325 N Allied Way Ste 100

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

  1. Harmohina Bagga, M.D.Ophthalmology Physician1306024104
  2. John Cason, M.D.Ophthalmology Physician1255494001
  3. Joshua Duncan, DOOphthalmology Physician1457612830
  4. Anna Moore, O.D.Optometrist1013330745
  5. Brad Nuttall, ODOptometrist1699290478
  6. Jeffrey Smith, ODOptometrist1609869981

Verify Eric Randall Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 78039
    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 Arizona 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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98% fewer Medicare Part D claims than the average ophthalmology physician in 2024

25 Medicare Part D claims for 17 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Eric Chen25
  2. Specialty average1,518

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: $13.24

1 payment: food and beverage; the largest payer was Sandoz Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Chen$13.24
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Baylor College OF MedicineHouston, TX
  2. Millennium Vision IncPhoenix, AZ

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

Ophthalmology Physician providers in Arizona

There are 353 ophthalmology physician records in Arizona.

Other ophthalmology physician records in Arizona

  1. Jack Aaron, MDTucson, AZ1043293566
  2. David Abbott, M.D.Phoenix, AZ1881891257
  3. Elahhe Afkhamnejad, M.D.Phoenix, AZ1659993897
  4. Shivi Agrawal, M.D.Phoenix, AZ1528379245
  5. Norman Ahl, MDTucson, AZ1144296278
  6. Joseph Aiello, MDScottsdale, AZ1801866553
  7. Patrick Aiello, MDYuma, AZ1235124744
  8. Todd Altenbernd, M.D.Tucson, AZ1841273356
  9. Aaron Amacher, M.D.Phoenix, AZ1700856283
  10. Jay Arora, M.D.Scottsdale, AZ1306259106

Common questions

What is Eric Randall Chen, MD's NPI number?

Eric Randall Chen, MD's National Provider Identifier (NPI) is 1184245359, issued on Apr 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Eric Randall Chen, MD located?

The NPPES record lists a practice address at 18325 N Allied Way Ste 100, Phoenix, AZ, 85054. Phone: (602) 467-4966. Providers update this record themselves, so call before visiting.

How can I verify Eric Randall Chen, MD's license?

NPPES lists Arizona license number 78039, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eric Randall Chen, MD prescribe under Medicare Part D?

In 2024, Eric Randall Chen, MD had 25 Medicare Part D claims for 17 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.