Dr. Eric Randall Chen, MD

  • Phoenix, AZ
  • Ophthalmologist
NPI1184245359PAC ID2567886138
Medicare patients, 2024
14
Part D claims, 2024
25
Publications
11
Industry payments
$857
Affiliated sites
2
Practice address
2222 East Highland Avenue, Suite 101, Phoenix, AZ 85016
Practice phone
Call (602) 279-2434
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Eye Surgery Center at the Biltmore

Surgery Center - Medicare-Certified · Phoenix, Arizona

See all 6 affiliations

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Dr. Eric Randall Chen is an ophthalmologist in Phoenix, Arizona

Dr. Chen practices at Eye Surgery Center at the Biltmore in Phoenix, Arizona.

Dr. Chen's NPI, 1184245359, was assigned on April 29, 2020. Dr. Chen graduated from Cleveland Medical College, Homeopathic in 2020. Dr. Chen holds Texas license U9228.

NPI and contact details
Medicare PAC ID
2567886138
NPI enumeration date
April 29, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(602) 279-2434
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Eric Randall Chen practices at Eye Surgery Center at the Biltmore in Phoenix, Arizona

Dr. Chen's primary practice is Eye Surgery Center at the Biltmore, at 2222 East Highland Avenue, Suite 101, Phoenix, AZ 85016. The practice phone is (602) 279-2434.

  • Eye Surgery Center at the Biltmore
    2222 East Highland Avenue, Suite 101, Phoenix, AZ 85016Phone(602) 279-2434

Source: Dmand AI Affiliation Data

Dr. Eric Randall Chen is affiliated with 2 sites of care and 4 medical groups

Dr. Chen's primary practice is Eye Surgery Center at the Biltmore in Phoenix, Arizona. The medical group on file is Texas Children's Hospital. Dmand AI also links Dr. Chen to 3 more medical groups and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Chen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Eric Randall Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Eye Surgery Center at the BiltmoreAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric Randall Chen is one of 293 ophthalmologists in Arizona

Ophthalmology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chen is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Chen's licenses on file in 2 states: Texas and New York.

Specialties and state licenses

  • Ophthalmology, TexasPrimaryLicense U9228 · 2024 to 2026 · taxonomy 207W00000X
  • New York licenseLicense 326592 · 2023 to 2025

Ophthalmologists near Dr. Chen

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Eric Randall Chen treated 14 Medicare patients in 2024, average age 81

CMS counts 14 Medicare patients who saw Dr. Chen in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 72, with 51% women.

Medicare patients, 202414
Average age81
Average risk score1.50

Dr. Chen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Chen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women51%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Eric Randall Chen wrote 25 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 25 Medicare Part D claims for 17 patients. 72% of them were for generic drugs. They cover 2 drugs, with $802 in total drug cost. In 2022, CMS named 82 claims across 3 drugs.

Part D claims, 202425
Drugs named by CMS2
Total drug cost$802
Part D patients17

Dr. Chen's Part D claims by kind of drug, 2024

  • Generic18 claims72%
  • Brand-name and other7 claims28%

Dr. Chen's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 822023: 3162%

Drugs named by CMS: 2 in 2023, 3 in 2022.

See all prescribing by Dr. Chen

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Eric Randall Chen ranks in the 77th percentile for cataract surgery in Medicare

Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 123 procedures of cataract surgery by Dr. Chen, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Chen ranks in Medicare procedure volume

Cataract surgery
77th percentile123 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Eric Randall Chen has 11 publications on record

Dmand AI links 11 papers to Dr. Chen, published from 2014 to 2023. 2020 was the busiest year, with 3. The most frequent topics are Adipocytes, Adipose Tissue and Gene Expression Regulation. Dr. Chen has published most often in Proc Natl Acad Sci U S A. Dr. Chen's most frequent co-authors are John Brian Ammori, MD, Tyler Edward Greenlee, DO and Michael David Greenwood, MD.

Papers11
Years published2014 to 2023

Dr. Chen's papers by year, 2014 to 2023

Topics Dr. Chen writes about most

  • Adipocytes
  • Adipose Tissue
  • Gene Expression Regulation
  • Insulin
  • PPAR gamma
  • Thiazolidinediones

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 11 publications and co-authors

See who Dr. Chen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Eric Randall Chen received $857 in industry payments from 2024 to 2025

CMS Open Payments shows 13 general payments to Dr. Chen from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 92% of the total. Alcon Laboratories Inc paid the most, $398.

General payments to Dr. Chen by program year, 2024 to 2025

General payments to Dr. Chen by kind, 2024 to 2025

$857in total
  • Food and beverage$79192%
  • Travel and lodging$668%

Companies that paid Dr. Chen the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Eric Randall Chen graduated from Cleveland Medical College, Homeopathic

Dr. Chen graduated from Cleveland Medical College, Homeopathic in 2020.

  1. Medical schoolCleveland Medical College, Homeopathic
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in ophthalmologyAmerican Board of Ophthalmology
  4. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Eric Randall Chen accepts plans from 18 insurance carriers

Dr. Chen is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +10 more carriersWith a free account

Plan types Dr. Chen accepts, by number of carriers

  1. PPO12
  2. HMO9
  3. Medicare7
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Eric Randall Chen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Eric Randall Chen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Eric Randall Chen's NPI number?

Dr. Eric Randall Chen's NPI number is 1184245359. It was assigned on April 29, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric Randall Chen?

Dr. Eric Randall Chen is an ophthalmologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Eric Randall Chen practice?

Dr. Chen practices at 2222 East Highland Avenue, Suite 101, Phoenix, AZ 85016. Dr. Chen's primary practice is Eye Surgery Center at the Biltmore in Phoenix, Arizona. Dmand AI also links Dr. Chen to 3 medical groups and 1 group practice or clinic.

What is Dr. Eric Randall Chen's office phone number?

The practice phone on file for Dr. Chen is (602) 279-2434.

What is Dr. Eric Randall Chen's medical license number?

Dr. Chen holds Texas license U9228, one of the licenses on file in 2 states.

Which states has Dr. Eric Randall Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in Texas (2024 to 2026) and New York (2023 to 2025).

What medical group is Dr. Eric Randall Chen part of?

Dr. Chen is linked to Texas Children's Hospital. Dmand AI links Dr. Chen to 3 more medical groups.

Does Dr. Eric Randall Chen accept Medicare?

Yes. CMS lists Dr. Chen as accepting Medicare assignment.

How many Medicare patients does Dr. Eric Randall Chen see?

CMS counts 14 Medicare patients who saw Dr. Chen in 2024, with an average age of 81.

Is Dr. Eric Randall Chen board certified?

Yes. Dr. Chen is board certified in anesthesiology by the American Board of Anesthesiology.

Show 7 more questionsShow fewer questions

Where did Dr. Eric Randall Chen go to medical school?

Dr. Chen graduated from Cleveland Medical College, Homeopathic in 2020.

What drugs does Dr. Eric Randall Chen prescribe most?

In 2023 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Latanoprost and Prednisolone Acetate.

Has Dr. Eric Randall Chen received payments from drug or device companies?

CMS Open Payments shows $857 in general payments to Dr. Chen from 6 companies from 2024 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Eric Randall Chen been practicing?

Dr. Chen graduated from medical school in 2020, 6 years ago.

Does Dr. Eric Randall Chen do research?

Dmand AI links 11 publications to Dr. Chen, published from 2014 to 2023.

Who does Dr. Eric Randall Chen publish with?

Dr. Chen's most frequent co-authors are John Brian Ammori, MD (1 shared paper), Tyler Edward Greenlee, DO (1 shared paper) and Michael David Greenwood, MD (1 shared paper).

What insurance does Dr. Eric Randall Chen accept?

Dr. Chen is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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