Dr. Warren Shu, MD

  • Los Angeles, CA
  • Internist
NPI1801802228PAC ID7810898384
Medicare services, 2021
11
Part D claims, 2024
186
Industry payments
$325
Affiliated sites
2
Medical groups
2
Practice address
4760 W Sunset Blvd, Los Angeles, CA 90027
Practice phone
Call (323) 783-4011
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Southern California Permanente Medical Group

Los Angeles, California

See all 5 affiliations

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Dr. Warren Shu is an internist in Los Angeles, California

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

Dr. Shu's NPI, 1801802228, was assigned on July 31, 2006. Dr. Shu graduated from Medical College of Wisconsin in 1996. Dr. Shu holds California license AO63784.

NPI and contact details
Medicare PAC ID
7810898384
NPI enumeration date
July 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
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
Estimated age
56
Medical school graduation
1996

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

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

Dr. Shu'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. Warren Shu is affiliated with 3 sites of care and 2 medical groups

Dr. Shu'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. Shu to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Shu

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

Dmand AI tracks the EHR system at Dr. Warren Shu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shu practices, 2 sites in all. 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
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Warren Shu is one of 16,751 internists in California

Internal medicine is Dr. Shu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Shu is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense AO63784 · taxonomy 207R00000X

Internists near Dr. Shu

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. Warren Shu billed Medicare for 11 services in 2021

CMS data shows 11 Medicare services from Dr. Shu across 1 procedure code in 2021, all of them office visits. Medicare paid $620 for them. Every service was in an office.

Medicare services, 202111
Paid by Medicare$620
Procedure codes1

Dr. Shu's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 512021: 1178%
Lab and pathology
2020: 562021: 0100%
Tests and treatments
2020: 122021: 0100%

Dr. Shu compared with the California median for internists, 2021

  • Dr. Shu
  • California median
Medicare services
11vs 36197% below
Part D claims
66vs 42184% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Shu's most billed Medicare procedure codes, 2021

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. Shu

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

Dr. Warren Shu's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Dr. Shu's median patient age at 49, with 54% women.

Dr. Shu's patients across all payers

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

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women54%
  • Men45%

Source: Dmand AI Patient Panel Data

Dr. Warren Shu wrote 186 Medicare Part D claims in 2024

In 2024, Dr. Shu wrote 186 Medicare Part D claims for 120 patients. 90% of them were for generic drugs. CMS names the drug for 66 of them, across 4 drugs with 11 or more claims each, at $478 in total drug cost. In 2023, CMS named 34 claims across 2 drugs.

Part D claims, 2024186
Drugs named by CMS4
Total drug cost$478
Part D patients120

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

  • Generic168 claims90%
  • Brand-name18 claims10%

Dr. Shu'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.

Drug classes CMS tracks in Dr. Shu's Part D claims, 2024

  • Opioids11%21 of 186 claims
  • Antibiotics29%54 of 186 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 342024: 6694%

Drugs named by CMS: 4 in 2024, 2 in 2023.

See all prescribing by Dr. Shu

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

How Dr. Warren Shu takes part in Medicare

Dr. Shu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Warren Shu received $325 in industry payments from 2016 to 2024

CMS Open Payments shows 5 general payments to Dr. Shu from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $229.

General payments to Dr. Shu by program year, 2016 to 2024

Companies that paid Dr. Shu the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Shu

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

Dr. Warren Shu graduated from Medical College of Wisconsin

Dr. Shu graduated from Medical College of Wisconsin in 1996.

  1. Medical schoolMedical College of Wisconsin

Source: Dmand AI Professional Profile Data

Sources for Dr. Warren Shu'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 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 Data
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Warren Shu

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. Warren Shu's NPI number?

Dr. Warren Shu's NPI number is 1801802228. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Warren Shu?

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

Where does Dr. Warren Shu practice?

Dr. Shu practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Shu's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Shu to 2 group practices and clinics and 1 medical group.

What is Dr. Warren Shu's office phone number?

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

What is Dr. Warren Shu's medical license number?

Dr. Shu holds California license AO63784.

What medical group is Dr. Warren Shu part of?

Dr. Shu is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Shu to 1 more medical group.

Does Dr. Warren Shu accept Medicare?

Yes. CMS data shows Dr. Shu billed Medicare for 11 services in 2021, and Dr. Shu accepts Medicare assignment.

What services does Dr. Warren Shu bill to Medicare?

In 2021, Dr. Shu's most billed Medicare services were office visit, established patient (99213).

Where did Dr. Warren Shu go to medical school?

Dr. Shu graduated from Medical College of Wisconsin in 1996.

What drugs does Dr. Warren Shu prescribe most?

In 2024 Medicare Part D data, Dr. Shu's most prescribed drugs by claims were Tramadol HCl, Prednisone and Azithromycin.

Has Dr. Warren Shu received payments from drug or device companies?

CMS Open Payments shows $325 in general payments to Dr. Shu from 5 companies from 2016 to 2024. The largest total came from Sumitomo Pharma America, Inc.

How long has Dr. Warren Shu been practicing?

Dr. Shu graduated from medical school in 1996, 30 years ago.

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