Dr. Thomas G. Chu, MD

  • Los Angeles, CA
  • Ophthalmologist
NPI1760482806PAC ID3971516626
Medicare services, 2024
26,513
Medicare patients, 2024
1,203
Part D claims, 2024
1,149
Clinical trials
2
MIPS score, 2024
100
Practice address
1245 W Wilshire Blvd, Los Angeles, CA 90017
Practice phone
Call (213) 483-8810
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Retina-Vitreous Associates Medical Group

Los Angeles, California

See all 3 affiliations

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Dr. Thomas G. Chu is an ophthalmologist in Los Angeles, California

Dr. Chu practices at Retina-Vitreous Associates Medical Group in Los Angeles, California.

Dr. Chu's NPI, 1760482806, was assigned on July 29, 2005. Dr. Chu graduated from Icahn School Of Medicine At Mount Sinai in 1986. Dr. Chu's California license number on file is G68694.

NPI and contact details
Medicare PAC ID
3971516626
NPI enumeration date
July 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(213) 483-8810
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

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

Dr. Thomas G. Chu practices at Retina-Vitreous Associates Medical Group in Los Angeles, California

Dr. Chu's primary practice is Retina-Vitreous Associates Medical Group, at 1245 W Wilshire Blvd, Los Angeles, CA 90017 in Los Angeles County. The practice phone is (213) 483-8810.

  • Retina-Vitreous Associates Medical Group
    1245 W Wilshire Blvd, Los Angeles, CA 90017 · Los Angeles CountyPhone(213) 483-8810

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thomas G. Chu is affiliated with 2 sites of care and 1 medical group

Dr. Chu's primary practice is Retina-Vitreous Associates Medical Group in Los Angeles, California. Dr. Chu is also affiliated with PIH Health Good Samaritan Hospital. Dmand AI also links Dr. Chu to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Chu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Thomas G. Chu's practice

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

EHR by site
SiteEHR vendor and product
Retina-Vitreous Associates Medical GroupAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas G. Chu is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Chu's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chu is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chu's licenses on file in 3 states: California, Nevada and Utah.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G68694 · 1990 to 2025 · taxonomy 207W00000X
  • Nevada license1994 to 2005
  • Utah license1996 to 2000

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation, glaucoma and hereditary corneal conditions among the conditions Dr. Chu treats.

Ophthalmologists near Dr. Chu

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. Thomas G. Chu billed Medicare for 26,513 services in 2024

CMS data shows 26,513 Medicare services from Dr. Chu across 16 procedure codes in 2024, for 1,203 Medicare patients. Medicare paid $1,920,345 for them. Every service was in an office.

Medicare services, 202426,513
Medicare patients1,203
Paid by Medicare$1.9M
Procedure codes16

Dr. Chu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 5,1622024: 15,449199%
Tests and treatments
2023: 7,2302024: 6,48210%
Other services
2023: 2,3332024: 3,02430%
Surgery
2023: 1,3592024: 1,3312%
Office and hospital visits
2023: 172024: 2071118%
Imaging
2023: 282024: 2029%

Dr. Chu compared with the California median for ophthalmologists, 2024

  • Dr. Chu
  • California median
Medicare services
26,513vs 1,07924.6 times
Medicare patients
1,203vs 4212.9 times
Part D claims
1,047vs 61869% above

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Chu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chu

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chu and other ophthalmologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas G. Chu treated 1,203 Medicare patients in 2024, average age 77

CMS counts 1,203 Medicare patients who saw Dr. Chu in 2024. The largest group is 65 to 74, with 456 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.61, 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. Chu's median patient age at 65, with 48% women.

Medicare patients, 20241,203
Average age77
Average risk score1.61
Also on Medicaid36%

Dr. Chu's Medicare patients by age, 2024

Dr. Chu's Medicare patients by sex, 2024

  • Women66655%
  • Men53745%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Diabetes48%
  5. Ischemic heart disease34%
  6. Chronic kidney disease31%
  7. Osteoporosis23%
  8. Heart failure22%

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

Dr. Chu's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. Thomas G. Chu wrote 1,149 Medicare Part D claims in 2024

In 2024, Dr. Chu wrote 1,149 Medicare Part D claims for 332 patients. 74% of them were for generic drugs. CMS names the drug for 1,047 of them, across 17 drugs with 11 or more claims each, at $130,510 in total drug cost. In 2023, CMS named 1,179 claims across 19 drugs.

Part D claims, 20241,149
Drugs named by CMS17
Total drug cost$130,510
Part D patients332

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

  • Generic848 claims74%
  • Brand-name301 claims26%

Dr. Chu's most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,1792024: 1,04711%

Drugs named by CMS: 17 in 2024, 19 in 2023.

See all prescribing by Dr. Chu

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. Thomas G. Chu scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chu for performance year 2024, reported as part of a group. Dr. Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Chu's MIPS scores, performance year 2024

  • 100of 100Final score
  • 94of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Thomas G. Chu has worked on 2 clinical trials

Dmand AI links Dr. Chu to 2 clinical trials. Conditions studied include Macular Degeneration and Retinal Degeneration.

Clinical trials with Dr. Chu by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 1Phase 2: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Chu's trials

  • Macular Degeneration
  • Retinal Degeneration

Investigators on the most trials with Dr. Chu

Recent clinical trials with Dr. Chu

Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas G. Chu received $5,105 in industry payments from 2016 to 2025

CMS Open Payments shows 105 general payments to Dr. Chu from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Genentech, Inc. paid the most, $1,256.

General payments to Dr. Chu by program year, 2016 to 2025

General payments to Dr. Chu by kind, 2016 to 2025

$5.1Kin total
  • Food and beverage$3,58270%
  • Consulting fees$85017%
  • Travel and lodging$58011%
  • Education$932%

Companies that paid Dr. Chu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chu

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

Dr. Thomas G. Chu has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Chu, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Chu

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • AAO Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Thomas G. Chu graduated from Icahn School Of Medicine At Mount Sinai

Dr. Chu graduated from Icahn School Of Medicine At Mount Sinai in 1986. Dr. Chu is a member of AAO.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Thomas G. Chu accepts plans from 12 insurance carriers

Dr. Chu is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Chu accepts, by number of carriers

  1. Medicare11
  2. PPO9
  3. HMO7
  4. POS4
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas G. Chu'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Thomas G. Chu

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. Thomas G. Chu's NPI number?

Dr. Thomas G. Chu's NPI number is 1760482806. It was assigned on July 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas G. Chu?

Dr. Thomas G. Chu is an ophthalmologist in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Thomas G. Chu practice?

Dr. Chu practices at 1245 W Wilshire Blvd, Los Angeles, CA 90017. Dr. Chu's primary practice is Retina-Vitreous Associates Medical Group in Los Angeles, California. Dmand AI also links Dr. Chu to 1 medical group.

What is Dr. Thomas G. Chu's office phone number?

The practice phone on file for Dr. Chu is (213) 483-8810.

What is Dr. Thomas G. Chu's medical license number?

Dr. Chu's California license number on file is G68694, one of the licenses on file in 3 states.

Which states has Dr. Thomas G. Chu been licensed in?

Dmand AI has state licenses on file for Dr. Chu in California (1990 to 2025), Nevada (1994 to 2005) and Utah (1996 to 2000).

Which hospitals is Dr. Thomas G. Chu affiliated with?

Dr. Chu is affiliated with PIH Health Good Samaritan Hospital.

Does Dr. Thomas G. Chu accept Medicare?

Yes. CMS data shows Dr. Chu billed Medicare for 26,513 services in 2024, and Dr. Chu accepts Medicare assignment.

What is Dr. Thomas G. Chu's MIPS score?

Dr. Chu's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Thomas G. Chu see?

CMS counts 1,203 Medicare patients who saw Dr. Chu in 2024, with an average age of 77.

Show 8 more questionsShow fewer questions

Is Dr. Thomas G. Chu board certified?

Yes. Dr. Chu is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Thomas G. Chu bill to Medicare?

In 2024, Dr. Chu's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and medicare temporary code (Q5128).

Where did Dr. Thomas G. Chu go to medical school?

Dr. Chu graduated from Icahn School Of Medicine At Mount Sinai in 1986.

What drugs does Dr. Thomas G. Chu prescribe most?

In 2024 Medicare Part D data, Dr. Chu's most prescribed drugs by claims were Ofloxacin, Latanoprost and Ketorolac Tromethamine.

Has Dr. Thomas G. Chu received payments from drug or device companies?

CMS Open Payments shows $5,105 in general payments to Dr. Chu from 13 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Thomas G. Chu been practicing?

Dr. Chu graduated from medical school in 1986, 40 years ago.

Does Dr. Thomas G. Chu do research?

Dr. Chu has worked on 2 clinical trials.

What insurance does Dr. Thomas G. Chu accept?

Dr. Chu is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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