Dr. Thomas Y. Tom, MD

  • Los Angeles, CA
  • Internist
NPI1376610238
Part D claims, 2023
71
Publications
1
Industry payments
$350
Affiliated sites
1
Medical group
1
Practice address
4760 W Sunset Blvd, Los Angeles, CA 90027
Practice phone
Call (323) 783-4011
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Southern California Permanente Medical Group

Los Angeles, California

See all 3 affiliations

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Dr. Thomas Y. Tom is an internist in Los Angeles, California

Dr. Tom practices at Southern California Permanente Medical Group in Los Angeles, California.

Dr. Tom's NPI, 1376610238, was assigned on November 29, 2006. Dr. Tom graduated from UC Irvine School of Medicine in 1983. Dr. Tom holds California license G52856.

NPI and contact details
NPI enumeration date
November 29, 2006
NPI status
Active
Practice phone
(323) 783-4011
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1983

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

Dr. Thomas Y. Tom practices at Southern California Permanente Medical Group in Los Angeles, California

Dr. Tom's primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.

  • Southern California Permanente Medical Group
    4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011

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

Dr. Thomas Y. Tom is affiliated with 2 sites of care and 1 medical group

Dr. Tom's primary practice is Southern California Permanente Medical Group in Los Angeles, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tom to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Tom

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

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

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

EHR by site
SiteEHR vendor and product
Southern California Permanente Medical GroupAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas Y. Tom is one of 16,751 internists in California

Internal medicine is Dr. Tom's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tom is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tom is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G52856 · 1984 to 2026 · taxonomy 207R00000X

Internists near Dr. Tom

Counts of internists 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 Y. Tom's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts Dr. Tom's median patient age at 68, with 50% women.

Dr. Tom's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Thomas Y. Tom wrote 71 Medicare Part D claims in 2023

In 2023, Dr. Tom wrote 71 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $1,107 in total drug cost. In 2022, CMS named 907 claims across 27 drugs.

Part D claims, 202371
Drugs named by CMS3
Total drug cost$1,107

Dr. Tom'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: 9072023: 7192%

Drugs named by CMS: 3 in 2023, 27 in 2022.

See all prescribing by Dr. Tom

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

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Dr. Thomas Y. Tom has 1 publication on record

Dmand AI links 1 paper to Dr. Tom in 2011. Dr. Tom's most frequent co-authors are Dean A. Kujubu, MD, Scott A. Rasgon, MD and John Sim, MD.

Papers1

Dr. Tom's most frequent co-authors

Recent publications by Dr. Tom

See all 1 publications and co-authors

See who Dr. Tom researches with

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

How network discovery works

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

Dr. Thomas Y. Tom received $350 in industry payments from 2016 to 2018

CMS Open Payments shows 3 general payments to Dr. Tom from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $225.

General payments to Dr. Tom by program year, 2016 to 2018

Companies that paid Dr. Tom the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Tom

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

Dr. Thomas Y. Tom has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Tom, most recently NCQA HSRP in 2013.

Awards and honors for Dr. Tom

  1. 2013
    • NCQA HSRP
  2. 2012
    • NCQA DRP

Source: Dmand AI Professional Profile Data

Dr. Thomas Y. Tom graduated from UC Irvine School of Medicine

Dr. Tom graduated from UC Irvine School of Medicine in 1983.

  1. Medical schoolUC Irvine School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Thomas Y. Tom accepts plans from 1 insurance carrier

Dr. Tom is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente

Plan types Dr. Tom accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Y. Tom'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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel 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
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 Y. Tom

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 Y. Tom's NPI number?

Dr. Thomas Y. Tom's NPI number is 1376610238. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Y. Tom?

Dr. Thomas Y. Tom is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Thomas Y. Tom practice?

Dr. Tom practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Tom's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Tom to 1 group practice or clinic.

What is Dr. Thomas Y. Tom's office phone number?

The practice phone on file for Dr. Tom is (323) 783-4011.

What is Dr. Thomas Y. Tom's medical license number?

Dr. Tom holds California license G52856.

What medical group is Dr. Thomas Y. Tom part of?

Dr. Tom is linked to Southern California Permanente Medical Group.

Is Dr. Thomas Y. Tom board certified?

Yes. Dr. Tom is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. Thomas Y. Tom go to medical school?

Dr. Tom graduated from UC Irvine School of Medicine in 1983.

What drugs does Dr. Thomas Y. Tom prescribe most?

In 2023 Medicare Part D data, Dr. Tom's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

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

CMS Open Payments shows $350 in general payments to Dr. Tom from 2 companies from 2016 to 2018. The largest total came from Merck Sharp & Dohme Corporation.

Show 4 more questionsShow fewer questions

How long has Dr. Thomas Y. Tom been practicing?

Dr. Tom graduated from medical school in 1983, 43 years ago.

Does Dr. Thomas Y. Tom do research?

Dmand AI links 1 publication to Dr. Tom.

Who does Dr. Thomas Y. Tom publish with?

Dr. Tom's most frequent co-authors are Dean A. Kujubu, MD (1 shared paper), Scott A. Rasgon, MD (1 shared paper) and John Sim, MD (1 shared paper).

What insurance does Dr. Thomas Y. Tom accept?

Dr. Tom is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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