Dr. Roger Chan, MD

  • Rosemead, CA
  • Ophthalmologist
NPI1104965375
Part D claims, 2019
19
Publications
2
Affiliated sites
1
State license
1
Year NPI issued
2007
Practice address
8150 Garvey Ave Suite 103a Suite 103a, Rosemead, CA 91770
Practice phone
Call (626) 288-8759
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Dr. Roger Chan, M.D.

Physician office · Rosemead, California

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Dr. Roger Chan is an ophthalmologist in Rosemead, California

Dr. Chan practices at Dr. Roger Chan, M.D. in Rosemead, California.

Dr. Chan's NPI, 1104965375, was assigned on February 5, 2007. Dr. Chan graduated from University of Illinois College of Medicine - Chicago in 1990. Dr. Chan's California license number on file is G73468.

NPI and contact details
NPI enumeration date
February 5, 2007
NPI status
Active
Practice phone
(626) 288-8759
Professional email
Get email
Personal email
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Mobile number
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Medical school graduation
1990

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

Dr. Roger Chan practices at Dr. Roger Chan, M.D. in Rosemead, California

Dr. Chan's primary practice is Dr. Roger Chan, M.D., at 8150 Garvey Ave Suite 103a Suite 103a, Rosemead, CA 91770. The practice phone is (626) 288-8759.

  • Dr. Roger Chan, M.D.
    8150 Garvey Ave Suite 103a Suite 103a, Rosemead, CA 91770Phone(626) 288-8759

Source: Dmand AI Affiliation Data

Dr. Roger Chan is affiliated with 1 site of care

Dr. Chan's primary practice is Dr. Roger Chan, M.D. in Rosemead, California.

Dr. Roger Chan, M.D.Physician office · Rosemead, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Roger Chan's practice

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

EHR by site
SiteEHR vendor and product
Dr. Roger Chan, M.D.Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Roger Chan is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chan has a license on file in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G73468 · 1992 to 2023 · taxonomy 207W00000X

Ophthalmologists near Dr. Chan

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

2,621ophthalmologists in California
4ophthalmologists in Rosemead

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

Dr. Roger Chan wrote 19 Medicare Part D claims in 2019

In 2019, Dr. Chan wrote 19 Medicare Part D claims. They cover 1 drug, with $10,935 in total drug cost. In 2018, CMS named 11 claims across 1 drug.

Part D claims, 201919
Drugs named by CMS1
Total drug cost$10,935

Dr. Chan's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 112019: 1973%

Drugs named by CMS: 1 in 2019, 1 in 2018.

See all prescribing by Dr. Chan

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

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Dr. Roger Chan has 2 publications on record

Dmand AI links 2 papers to Dr. Chan. The most frequent topics are Fluorescein, Fluoresceins and Lectins. Dr. Chan has published most often in Arch Ophthalmol. Dr. Chan's most frequent co-authors are Jeffrey B. Robin, MD and Alice Y. Matoba, MD.

Papers2

Topics Dr. Chan writes about most

  • Fluorescein
  • Fluoresceins
  • Lectins

Dr. Chan's most frequent co-authors

Recent publications by Dr. Chan

See all 2 publications and co-authors

See who Dr. Chan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chan 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. Roger Chan graduated from University of Illinois College of Medicine - Chicago

Dr. Chan graduated from University of Illinois College of Medicine - Chicago in 1990.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago

Source: Dmand AI Professional Profile Data

Sources for Dr. Roger Chan'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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile 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. Roger Chan

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. Roger Chan's NPI number?

Dr. Roger Chan's NPI number is 1104965375. It was assigned on February 5, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Roger Chan?

Dr. Roger Chan is an ophthalmologist in Rosemead, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Roger Chan practice?

Dr. Chan practices at 8150 Garvey Ave Suite 103a Suite 103a, Rosemead, CA 91770. Dr. Chan's primary practice is Dr. Roger Chan, M.D. in Rosemead, California.

What is Dr. Roger Chan's office phone number?

The practice phone on file for Dr. Chan is (626) 288-8759.

What is Dr. Roger Chan's medical license number?

Dr. Chan's California license number on file is G73468.

Where did Dr. Roger Chan go to medical school?

Dr. Chan graduated from University of Illinois College of Medicine - Chicago in 1990.

What drugs does Dr. Roger Chan prescribe most?

In 2019 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Restasis.

How long has Dr. Roger Chan been practicing?

Dr. Chan graduated from medical school in 1990, 36 years ago.

Does Dr. Roger Chan do research?

Dmand AI links 2 publications to Dr. Chan.

Who does Dr. Roger Chan publish with?

Dr. Chan's most frequent co-authors are Jeffrey B. Robin, MD (2 shared papers) and Alice Y. Matoba, MD (1 shared paper).

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