Dr. Thomas Wang, MD

  • Los Angeles, CA
  • Gastroenterologist
NPI1427548338PAC ID6406107184
Medicare patients, 2024
21
Part D claims, 2024
74
Publications
9
Clinical trials
1
Hospital affiliations
4
Practice address
1500 San Pablo Street, Los Angeles, CA 90033
Practice phone
Call (323) 442-8656
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Keck Hospital of USC

Hospital · Los Angeles, California

See all 9 affiliations

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Dr. Thomas Wang is a gastroenterologist in Los Angeles, California

Dr. Wang practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.

Dr. Wang's NPI, 1427548338, was assigned on May 16, 2018. Dr. Wang graduated from Harvard Medical School in 2018. Dr. Wang holds Illinois license 036169334.

NPI and contact details
Medicare PAC ID
6406107184
NPI enumeration date
May 16, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(323) 442-8656
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. Thomas Wang practices at Keck Hospital of USC in Los Angeles, California

Dr. Wang's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.

  • Keck Hospital of USC
    1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656

Source: Dmand AI Affiliation Data

Dr. Thomas Wang is affiliated with 7 sites of care and 2 medical groups

Dr. Wang's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. Wang is also affiliated with Los Angeles General Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Wang to 2 more hospitals, 1 group practice or clinic, 1 other site, 1 urgent care center and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Wang

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Keck Hospital of USCAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Thomas Wang is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Wang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Wang is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Wang's licenses on file in 3 states: Illinois, California and Massachusetts.

Specialties and state licenses

  • Gastroenterology, IllinoisPrimaryLicense 036169334 · 2024 to 2026 · taxonomy 207RG0100X
  • California license2025 to 2027
  • Massachusetts license2018 to 2024

Gastroenterologists near Dr. Wang

Counts of gastroenterologists 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 Wang treated 21 Medicare patients in 2024, average age 76

CMS counts 21 Medicare patients who saw Dr. Wang in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.70, 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. Wang's median patient age at 64, with 52% women.

Medicare patients, 202421
Average age76
Average risk score1.70

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

  1. High blood pressure75%
  2. High cholesterol75%

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

Dr. Wang's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Thomas Wang wrote 74 Medicare Part D claims in 2024

In 2024, Dr. Wang wrote 74 Medicare Part D claims for 22 patients. 95% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $213 in total drug cost. In 2021, CMS named 177 claims across 12 drugs.

Part D claims, 202474
Drugs named by CMS1
Total drug cost$213
Part D patients22

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

  • Generic70 claims95%
  • Brand-name and other4 claims5%

Dr. Wang'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, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 1772024: 1790%

Drugs named by CMS: 1 in 2024, 12 in 2021.

See all prescribing by Dr. Wang

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 Wang ranks in the 94th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wang as offering telehealth. CMS counts 271 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Wang, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Wang ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
94th percentile271 procedures
Colonoscopy
72nd percentile74 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. Thomas Wang has 9 publications on record

Dmand AI links 9 papers to Dr. Wang, published from 2012 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Endosonography. Dr. Wang has published most often in Gastrointest Endosc. Dr. Wang's most frequent co-authors are Thomas Jue-Fuu Wang, MD, Marvin Ryou, MD and Ali M. Abbas, MD.

Papers9
Years published2012 to 2025

Dr. Wang's papers by year, 2012 to 2025

Topics Dr. Wang writes about most

  • Endosonography

Dr. Wang's most frequent co-authors

Recent publications by Dr. Wang

See all 9 publications and co-authors

See who Dr. Wang researches with

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

How network discovery works

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

Dr. Thomas Wang has worked on 1 clinical trial

Dmand AI links Dr. Wang to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Non-alcoholic Fatty Liver Disease and Fatty Liver.

Conditions in Dr. Wang's trials

  • Non-alcoholic Fatty Liver Disease
  • Fatty Liver

Recent clinical trials with Dr. Wang

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

Dr. Thomas Wang received $5,118 in industry payments from 2024 to 2025

CMS Open Payments shows 36 general payments to Dr. Wang from 3 drug and device companies from 2024 to 2025. Travel and lodging make up the largest share, 61% of the total. Boston Scientific Corporation paid the most, $4,026.

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

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

$5.1Kin total
  • Travel and lodging$3,13661%
  • Food and beverage$1,98239%

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

Share is of all general payments to this clinician.

See all payments to Dr. Wang

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

Dr. Thomas Wang graduated from Harvard Medical School

Dr. Wang graduated from Harvard Medical School in 2018.

  1. Medical schoolHarvard Medical School
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Thomas Wang accepts plans from 10 insurance carriers

Dr. Wang is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, Cigna and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Cigna
  • Elevance
  • HCSC
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +2 more carriersWith a free account

Plan types Dr. Wang accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. POS4
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Wang'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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Thomas Wang

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 Wang's NPI number?

Dr. Thomas Wang's NPI number is 1427548338. It was assigned on May 16, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Wang?

Dr. Thomas Wang is a gastroenterologist in Los Angeles, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Thomas Wang practice?

Dr. Wang practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Wang's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Wang to 2 hospitals, 1 group practice or clinic, 1 other site, 1 urgent care center and 1 medical group.

What is Dr. Thomas Wang's office phone number?

The practice phone on file for Dr. Wang is (323) 442-8656.

What is Dr. Thomas Wang's medical license number?

Dr. Wang holds Illinois license 036169334, one of the licenses on file in 3 states.

Which states has Dr. Thomas Wang been licensed in?

Dmand AI has state licenses on file for Dr. Wang in Illinois (2024 to 2026), California (2025 to 2027) and Massachusetts (2018 to 2024).

Which hospitals is Dr. Thomas Wang affiliated with?

Dr. Wang practices at Keck Hospital of USC in Los Angeles, California. Dr. Wang is also affiliated with Los Angeles General Medical Center. Dmand AI links Dr. Wang to 2 more hospitals.

What medical group is Dr. Thomas Wang part of?

Dr. Wang is linked to USC Care Medical Group. Dmand AI links Dr. Wang to 1 more medical group.

Does Dr. Thomas Wang accept Medicare?

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

Does Dr. Thomas Wang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Wang as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Thomas Wang see?

CMS counts 21 Medicare patients who saw Dr. Wang in 2024, with an average age of 76.

Is Dr. Thomas Wang board certified?

Yes. Dr. Wang is board certified in gastroenterology by the American Board of Internal Medicine.

Where did Dr. Thomas Wang go to medical school?

Dr. Wang graduated from Harvard Medical School in 2018.

What drugs does Dr. Thomas Wang prescribe most?

In 2024 Medicare Part D data, Dr. Wang's most prescribed drugs by claims were Famotidine.

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

CMS Open Payments shows $5,118 in general payments to Dr. Wang from 3 companies from 2024 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Thomas Wang been practicing?

Dr. Wang graduated from medical school in 2018, 8 years ago.

Does Dr. Thomas Wang do research?

Dmand AI links 9 publications to Dr. Wang, published from 2012 to 2025. Dr. Wang has worked on 1 clinical trial.

Who does Dr. Thomas Wang publish with?

Dr. Wang's most frequent co-authors are Thomas Jue-Fuu Wang, MD (6 shared papers), Marvin Ryou, MD (4 shared papers) and Ali M. Abbas, MD (1 shared paper).

What insurance does Dr. Thomas Wang accept?

Dr. Wang is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, Cigna and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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