Dr. David M. Lam, DO

  • Los Angeles, CA
  • Internist
NPI1174996342PAC ID0749552982
Medicare services, 2024
649
Medicare patients, 2024
205
Part D claims, 2024
2,110
MIPS score, 2024
96
Hospital affiliations
1
Practice address
1701 E Cesar E Chavez Ave, Los Angeles, CA 90033
Practice phone
Call (323) 987-1362
Professional email
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

White Memorial Medical Group, Inc.

Los Angeles, California

See all 7 affiliations

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Dr. David M. Lam is an internist in Los Angeles, California

Dr. Lam practices at White Memorial Medical Group, Inc. in Los Angeles, California.

Dr. Lam's NPI, 1174996342, was assigned on November 10, 2015. Dr. Lam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2014. Dr. Lam holds California license 14340.

NPI and contact details
Medicare PAC ID
0749552982
NPI enumeration date
November 10, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(323) 987-1362
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. David M. Lam practices at White Memorial Medical Group, Inc. in Los Angeles, California

Dr. Lam's primary practice is White Memorial Medical Group, Inc., at 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 987-1362.

  • White Memorial Medical Group, Inc.
    1701 E Cesar E Chavez Ave, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 987-1362

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

Dr. David M. Lam is affiliated with 4 sites of care and 3 medical groups

Dr. Lam's primary practice is White Memorial Medical Group, Inc. in Los Angeles, California. Dr. Lam is also affiliated with Adventist Health White Memorial. The medical group on file is Sound Physicians. Dmand AI also links Dr. Lam to 2 more medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 7 affiliations for Dr. Lam

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

Dmand AI tracks the EHR system at Dr. David M. Lam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lam practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
White Memorial Medical Group, Inc.Available with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David M. Lam is one of 16,751 internists in California

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

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 14340 · 2015 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute diabetes, arthritis, cellulitis, chronic diabetes, chronic hypertension, congestive heart failure, enlarged prostate and fibromyalgia and chronic pain among the conditions Dr. Lam treats.

Internists near Dr. Lam

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. David M. Lam billed Medicare for 649 services in 2024

CMS data shows 649 Medicare services from Dr. Lam across 6 procedure codes in 2024, for 205 Medicare patients. Medicare paid $50,918 for them.

Medicare services, 2024649
Medicare patients205
Paid by Medicare$50,918
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 5892024: 64910%
Other services
2023: 122024: 0100%

Where Dr. Lam's Medicare services took place, 2024

  • In an office8413%
  • In a facility56587%

Dr. Lam compared with the California median for internists, 2024

  • Dr. Lam
  • California median
Medicare services
649vs 36180% above
Medicare patients
205vs 15136% above
Part D claims
1,687vs 4214.0 times

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

Dr. Lam'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. Lam

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

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

Dr. David M. Lam treated 205 Medicare patients in 2024, average age 73

CMS counts 205 Medicare patients who saw Dr. Lam in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have diabetes, and 75% have high blood pressure. 88% are also on Medicaid. Their average risk score is 3.12, 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. Lam's median patient age at 59, with 59% women.

Medicare patients, 2024205
Average age73
Average risk score3.12
Also on Medicaid88%

Dr. Lam's Medicare patients by age, 2024

Dr. Lam's Medicare patients by sex, 2024

  • Women11255%
  • Men9345%

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

  1. Diabetes75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Chronic kidney disease54%
  5. Heart failure53%
  6. Arthritis52%
  7. Ischemic heart disease51%
  8. Mood disorders35%

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

Dr. Lam's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. David M. Lam wrote 2,110 Medicare Part D claims in 2024

In 2024, Dr. Lam wrote 2,110 Medicare Part D claims for 162 patients. 86% of them were for generic drugs. CMS names the drug for 1,687 of them, across 46 drugs with 11 or more claims each, at $135,331 in total drug cost. In 2023, CMS named 1,889 claims across 55 drugs.

Part D claims, 20242,110
Drugs named by CMS46
Total drug cost$135,331
Part D patients162

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

  • Generic1,822 claims86%
  • Brand-name274 claims13%
  • Other14 claims1%

Dr. Lam'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. Lam's Part D claims, 2024

  • Opioids2%41 of 2,110 claims
  • Antibiotics1%17 of 2,110 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: 1,8892024: 1,68711%

Drugs named by CMS: 46 in 2024, 55 in 2023.

See all prescribing by Dr. Lam

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. David M. Lam scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Lam for performance year 2024, reported through an alternative payment model (APM). Dr. Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Lam's MIPS scores, performance year 2024

  • 96of 100Final score
  • 81.5of 100Quality
  • 100of 100Promoting Interoperability
  • 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. David M. Lam received $1,644 in industry payments from 2016 to 2025

CMS Open Payments shows 76 general payments to Dr. Lam from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $257.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Lam

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

Dr. David M. Lam graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Lam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2014.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. David M. Lam accepts plans from 8 insurance carriers

Dr. Lam is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • CMS Medicare
  • Humana

Plan types Dr. Lam accepts, by number of carriers

  1. Medicare7
  2. HMO5
  3. PPO5
  4. POS3
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. David M. Lam'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 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)
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. David M. Lam

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. David M. Lam's NPI number?

Dr. David M. Lam's NPI number is 1174996342. It was assigned on November 10, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. David M. Lam?

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

Where does Dr. David M. Lam practice?

Dr. Lam practices at 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033. Dr. Lam's primary practice is White Memorial Medical Group, Inc. in Los Angeles, California. Dmand AI also links Dr. Lam to 2 medical groups, 1 group practice or clinic and 1 home health agency.

What is Dr. David M. Lam's office phone number?

The practice phone on file for Dr. Lam is (323) 987-1362.

What is Dr. David M. Lam's medical license number?

Dr. Lam holds California license 14340.

Which hospitals is Dr. David M. Lam affiliated with?

Dr. Lam is affiliated with Adventist Health White Memorial.

What medical group is Dr. David M. Lam part of?

Dr. Lam is linked to Sound Physicians. Dmand AI links Dr. Lam to 2 more medical groups.

Does Dr. David M. Lam accept Medicare?

Yes. CMS data shows Dr. Lam billed Medicare for 649 services in 2024, and Dr. Lam accepts Medicare assignment.

What is Dr. David M. Lam's MIPS score?

Dr. Lam's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. David M. Lam see?

CMS counts 205 Medicare patients who saw Dr. Lam in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

Is Dr. David M. Lam board certified?

Yes. Dr. Lam is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. David M. Lam bill to Medicare?

In 2024, Dr. Lam's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).

Where did Dr. David M. Lam go to medical school?

Dr. Lam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2014.

What drugs does Dr. David M. Lam prescribe most?

In 2024 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Losartan Potassium.

Has Dr. David M. Lam received payments from drug or device companies?

CMS Open Payments shows $1,644 in general payments to Dr. Lam from 22 companies from 2016 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.

How long has Dr. David M. Lam been practicing?

Dr. Lam graduated from medical school in 2014, 12 years ago.

What insurance does Dr. David M. Lam accept?

Dr. Lam is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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