David Wei Dai

  • Los Angeles, CA
  • Pulmonologist
NPI1023435906PAC ID4183991284
Medicare services, 2024
53
Medicare patients, 2024
47
Part D claims, 2024
1,018
Publications
2
Hospital affiliations
1
Practice address
6041 Cadillac Ave, Los Angeles, CA 90034
Practice phone
Call (213) 857-2201
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

West Los Angeles Medical Center

Hospital · Los Angeles, California

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David Wei Dai is a pulmonologist in Los Angeles, California

David Dai practices at West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.

David Dai's NPI, 1023435906, was assigned on March 27, 2014. David Dai graduated from UC San Diego School of Medicine in 2014. David Dai's California license number on file is A138674.

NPI and contact details
Medicare PAC ID
4183991284
NPI enumeration date
March 27, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(213) 857-2201
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

David Wei Dai practices at West Los Angeles Medical Center in Los Angeles, California

David Dai's primary practice is West Los Angeles Medical Center, at 6041 Cadillac Ave, Los Angeles, CA 90034 in Los Angeles County. The practice phone is (213) 857-2201.

Source: Dmand AI Affiliation Data

David Wei Dai is affiliated with 2 sites of care and 1 medical group

David Dai's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links David Dai to 1 more dialysis center, named with a free account.

See all 3 affiliations for David Dai

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

Dmand AI tracks the EHR system at David Wei Dai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where David Dai practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
West Los Angeles Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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David Wei Dai is one of 1,339 pulmonologists in California

Pulmonary disease is David Dai's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. David Dai is board certified in critical care medicine by the American Board of Internal Medicine. David Dai has a license on file in California.

Specialties and state licenses

  • Pulmonary disease, CaliforniaPrimaryLicense A138674 · 2015 to 2025 · taxonomy 207RP1001X

Clinical focus

Dmand AI lists heart failure among the conditions David Dai treats.

Pulmonologists near David Dai

Counts of pulmonologists 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

David Wei Dai billed Medicare for 53 services in 2024

CMS data shows 53 Medicare services from David Dai across 1 procedure code in 2024, for 47 Medicare patients. Medicare paid $9,156 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202453
Medicare patients47
Paid by Medicare$9,156
Procedure codes1

David Dai's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 452024: 5318%

David Dai compared with the California median for pulmonologists, 2024

  • David Dai
  • California median
Medicare services
53vs 64992% below
Medicare patients
47vs 27283% below
Part D claims
877vs 4212.1 times

Medians across 1,263 pulmonologists in California with Dmand AI profiles that report each measure.

David Dai'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 David Dai

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

David Wei Dai treated 47 Medicare patients in 2024, average age 74

CMS counts 47 Medicare patients who saw David Dai in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 72% are also on Medicaid. Their average risk score is 3.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts David Dai's median patient age at 57, with 60% women.

Medicare patients, 202447
Average age74
Average risk score3.11
Also on Medicaid72%

David Dai's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

David Dai's Medicare patients by sex, 2024

  • Women2962%
  • Men1838%

Chronic conditions among David Dai's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes62%
  4. Chronic kidney disease53%
  5. Heart failure53%
  6. Arthritis49%
  7. Ischemic heart disease43%
  8. Anxiety40%

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

David Dai's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

David Wei Dai wrote 1,018 Medicare Part D claims in 2024

In 2024, David Dai wrote 1,018 Medicare Part D claims for 199 patients. 52% of them were for generic drugs. CMS names the drug for 877 of them, across 16 drugs with 11 or more claims each, at $176,269 in total drug cost. In 2023, CMS named 832 claims across 16 drugs.

Part D claims, 20241,018
Drugs named by CMS16
Total drug cost$176,269
Part D patients199

David Dai's Part D claims by kind of drug, 2024

  • Generic529 claims52%
  • Brand-name489 claims48%

David Dai'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 David Dai's Part D claims, 2024

  • Antibiotics3%34 of 1,018 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: 8322024: 8775%

Drugs named by CMS: 16 in 2024, 16 in 2023.

See all prescribing by David Dai

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 David Wei Dai takes part in Medicare

David Dai 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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David Wei Dai has 2 publications on record

Dmand AI links 2 papers to David Dai in 2015. David Dai's most frequent co-authors are Wassef Y. Karrowni, MD and Ishita Singh, MBBS.

Papers2

David Dai's most frequent co-authors

Recent publications by David Dai

See all 2 publications and co-authors

See who David Dai researches with

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

How network discovery works

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

David Wei Dai received $1,232 in industry payments from 2017 to 2025

CMS Open Payments shows 15 general payments to David Dai from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. La Jolla Pharmaceutical Company paid the most, $385.

General payments to David Dai by program year, 2017 to 2025

Companies that paid David Dai the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to David Dai

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

David Wei Dai graduated from UC San Diego School of Medicine

David Dai graduated from UC San Diego School of Medicine in 2014.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in pulmonary diseaseAmerican Board of Internal Medicine
  4. Board certified in sleep medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

David Wei Dai accepts plans from 7 insurance carriers

David Dai is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Kaiser Permanente. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types David Dai accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for David Wei Dai'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 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)
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)
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 David Wei Dai

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is David Wei Dai's NPI number?

David Wei Dai's NPI number is 1023435906. It was assigned on March 27, 2014, and it is active in the NPI Registry.

What does David Wei Dai specialize in?

David Wei Dai is a pulmonologist in Los Angeles, California. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does David Wei Dai practice?

David Dai practices at 6041 Cadillac Ave, Los Angeles, CA 90034. David Dai's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links David Dai to 1 dialysis center.

What is David Wei Dai's office phone number?

The practice phone on file for David Dai is (213) 857-2201.

What is David Wei Dai's medical license number?

David Dai's California license number on file is A138674.

Which hospitals is David Wei Dai affiliated with?

David Dai practices at West Los Angeles Medical Center in Los Angeles, California.

What medical group is David Wei Dai part of?

David Dai is linked to Southern California Permanente Medical Group.

Does David Wei Dai accept Medicare?

Yes. CMS data shows David Dai billed Medicare for 53 services in 2024, and David Dai accepts Medicare assignment.

How many Medicare patients does David Wei Dai see?

CMS counts 47 Medicare patients who saw David Dai in 2024, with an average age of 74.

Is David Wei Dai board certified?

Yes. David Dai is board certified in critical care medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does David Wei Dai bill to Medicare?

In 2024, David Dai's most billed Medicare services were critical care (99291).

Where did David Wei Dai go to medical school?

David Dai graduated from UC San Diego School of Medicine in 2014.

What drugs does David Wei Dai prescribe most?

In 2024 Medicare Part D data, David Dai's most prescribed drugs by claims were Albuterol Sulfate Hfa, Spiriva Respimat and Alvesco.

Has David Wei Dai received payments from drug or device companies?

CMS Open Payments shows $1,232 in general payments to David Dai from 9 companies from 2017 to 2025. The largest total came from La Jolla Pharmaceutical Company.

How long has David Wei Dai been practicing?

David Dai graduated from medical school in 2014, 12 years ago.

Does David Wei Dai do research?

Dmand AI links 2 publications to David Dai.

Who does David Wei Dai publish with?

David Dai's most frequent co-authors are Wassef Y. Karrowni, MD (1 shared paper) and Ishita Singh, MBBS (1 shared paper).

What insurance does David Wei Dai accept?

David Dai is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Kaiser Permanente. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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