Dr. Dean W. Lim, MD

  • Duarte, CA
  • Medical oncologist
NPI1790892735
Medicare services, 2023
318
Part D claims, 2023
29
Publications
51
Clinical trials
2
Industry payments
$6,106
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

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Dr. Dean W. Lim is a medical oncologist in Duarte, California

Dr. Lim practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Lim's NPI, 1790892735, was assigned on August 24, 2006. Dr. Lim graduated from University of the East College of Medicine in 1980. Dr. Lim holds California license A42616.

NPI and contact details
NPI enumeration date
August 24, 2006
NPI status
Active
Practice phone
(800) 826-4673
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1980

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

Dr. Dean W. Lim practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Lim's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

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

Dr. Dean W. Lim is affiliated with 2 sites of care and 1 medical group

Dr. Lim's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Lim to 1 more other site, named with a free account.

See all 3 affiliations for Dr. Lim

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. Dean W. Lim's practice

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

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dean W. Lim is one of 415 medical oncologists in California

Medical oncology is Dr. Lim's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Lim is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Lim's licenses on file in 4 states: California, Maine, West Virginia and Pennsylvania.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense A42616 · 1986 to 2026 · taxonomy 207RX0202X
  • Maine licenseSince 1988
  • West Virginia license1987 to 1989
  • Pennsylvania license1987 to 1988

Clinical focus

Dmand AI lists colorectal cancer, lung cancer and prostate cancer among the conditions Dr. Lim treats.

Medical oncologists near Dr. Lim

Counts of medical oncologists 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. Dean W. Lim billed Medicare for 318 services in 2023

CMS data shows 318 Medicare services from Dr. Lim across 3 procedure codes in 2023, all of them office visits. Medicare paid $36,046 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2023318
Paid by Medicare$36,046
Procedure codes3

Dr. Lim's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 7082023: 31855%

Dr. Lim compared with the California median for medical oncologists, 2023

  • Dr. Lim
  • California median
Medicare services
318vs 49636% below
Part D claims
29vs 14480% below

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Lim's most billed Medicare procedure codes, 2023

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. Lim

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

Dr. Dean W. Lim's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Dr. Lim's median patient age at 70, with 56% women.

Dr. Lim's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

Dr. Dean W. Lim wrote 29 Medicare Part D claims in 2023

In 2023, Dr. Lim wrote 29 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $261,691 in total drug cost. In 2022, CMS named 50 claims across 2 drugs.

Part D claims, 202329
Drugs named by CMS1
Total drug cost$261,691

Dr. Lim'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: 502023: 2942%

Drugs named by CMS: 1 in 2023, 2 in 2022.

See all prescribing by Dr. Lim

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

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Dr. Dean W. Lim has 51 publications on record

Dmand AI links 51 papers to Dr. Lim, published from 2001 to 2025. 2019 was the busiest year, with 5. The most frequent topics are Antineoplastic Agents, Antineoplastic Combined Chemotherapy Protocols and Peritoneal Neoplasms. Dr. Lim has published most often in Proc Natl Acad Sci U S A. Dr. Lim's most frequent co-authors are Joseph Chao, MD, Lucille Leong, MD and Robert Morgan, MD.

Papers51
Years published2001 to 2025

Dr. Lim's papers by year, 2016 to 2025

Topics Dr. Lim writes about most

  • Antineoplastic Agents
  • Antineoplastic Combined Chemotherapy Protocols
  • Peritoneal Neoplasms
  • Maximum Tolerated Dose
  • Administration, Oral
  • Antibodies, Monoclonal, Humanized
  • Colorectal Neoplasms
  • Deoxycytidine

Dr. Lim's most frequent co-authors

Recent publications by Dr. Lim

See all 51 publications and co-authors

See who Dr. Lim researches with

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

How network discovery works

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

Dr. Dean W. Lim has worked on 2 clinical trials

Dmand AI links Dr. Lim to 2 clinical trials. Conditions studied include Squamous Cell Carcinoma of Head and Neck, Thyroid cancer, Hurthle cell and Adenocarcinoma, Follicular. National Cancer Institute (NCI) sponsors the most, 2.

Clinical trials with Dr. Lim 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. Lim's trials

  • Squamous Cell Carcinoma of Head and Neck
  • Thyroid cancer, Hurthle cell
  • Adenocarcinoma, Follicular
  • Carcinoma, Squamous Cell

Investigators on the most trials with Dr. Lim

Recent clinical trials with Dr. Lim

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

Dr. Dean W. Lim received $6,106 in industry payments from 2016 to 2023

CMS Open Payments shows 20 general payments to Dr. Lim from 12 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 82% of the total. Eisai Inc. paid the most, $5,151.

General payments to Dr. Lim by program year, 2016 to 2023

General payments to Dr. Lim by kind, 2016 to 2023

$6.1Kin total
  • Speaker and faculty fees$5,02582%
  • Food and beverage$1,06817%
  • Education$130%

Companies that paid Dr. Lim the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Lim

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

Dr. Dean W. Lim has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Lim, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Lim

  1. 2014
    • America's Top Doctors
  2. 2013
    • America's Top Doctors for Cancer
    • Top Doctors:LA Area
  3. 2012
    • Top Doctors:Southern California

Source: Dmand AI Professional Profile Data

Dr. Dean W. Lim graduated from University of the East College of Medicine

Dr. Lim graduated from University of the East College of Medicine in 1980.

  1. Medical schoolUniversity of the East College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Dean W. Lim accepts plans from 4 insurance carriers

Dr. Lim is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Excellus BlueCross BlueShield and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • HCSC
  • Molina

Plan types Dr. Lim accepts, by number of carriers

  1. Medicare3
  2. PPO3
  3. POS2
  4. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dean W. Lim'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 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
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)
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. Dean W. Lim

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. Dean W. Lim's NPI number?

Dr. Dean W. Lim's NPI number is 1790892735. It was assigned on August 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Dean W. Lim?

Dr. Dean W. Lim is a medical oncologist in Duarte, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Dean W. Lim practice?

Dr. Lim practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Lim's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Lim to 1 other site.

What is Dr. Dean W. Lim's office phone number?

The practice phone on file for Dr. Lim is (800) 826-4673.

What is Dr. Dean W. Lim's medical license number?

Dr. Lim holds California license A42616, one of the licenses on file in 4 states.

Which states has Dr. Dean W. Lim been licensed in?

Dmand AI has state licenses on file for Dr. Lim in California (1986 to 2026), Maine (since 1988), West Virginia (1987 to 1989) and Pennsylvania (1987 to 1988).

What medical group is Dr. Dean W. Lim part of?

Dr. Lim is linked to City of Hope.

Does Dr. Dean W. Lim accept Medicare?

Yes. CMS data shows Dr. Lim billed Medicare for 318 services in 2023.

Is Dr. Dean W. Lim board certified?

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

What services does Dr. Dean W. Lim bill to Medicare?

In 2023, Dr. Lim's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and office visit, established patient (99214).

Show 7 more questionsShow fewer questions

Where did Dr. Dean W. Lim go to medical school?

Dr. Lim graduated from University of the East College of Medicine in 1980.

What drugs does Dr. Dean W. Lim prescribe most?

In 2023 Medicare Part D data, Dr. Lim's most prescribed drugs by claims were Lonsurf.

Has Dr. Dean W. Lim received payments from drug or device companies?

CMS Open Payments shows $6,106 in general payments to Dr. Lim from 12 companies from 2016 to 2023. The largest total came from Eisai Inc.

How long has Dr. Dean W. Lim been practicing?

Dr. Lim graduated from medical school in 1980, 46 years ago.

Does Dr. Dean W. Lim do research?

Dmand AI links 51 publications to Dr. Lim, published from 2001 to 2025. Dr. Lim has worked on 2 clinical trials.

Who does Dr. Dean W. Lim publish with?

Dr. Lim's most frequent co-authors are Joseph Chao, MD (13 shared papers), Lucille Leong, MD (11 shared papers) and Robert Morgan, MD (9 shared papers).

What insurance does Dr. Dean W. Lim accept?

Dr. Lim is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Excellus BlueCross BlueShield and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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