Dr. David Nicholas Lai, MD

  • New Orleans, LA
  • Hospitalist
NPI1639520919PAC ID2163753971
Medicare services, 2024
269
Medicare patients, 2024
95
Part D claims, 2024
259
Hospital affiliations
3
Industry payments
$876
Practice address
1516 Jefferson Hwy, New Orleans, LA 70121
Practice phone
Call (504) 842-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ochsner Medical Center - New Orleans

Hospital · New Orleans, Louisiana

See all 5 affiliations

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Dr. David Nicholas Lai is a hospitalist in New Orleans, Louisiana

Dr. Lai practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.

Dr. Lai's NPI, 1639520919, was assigned on June 28, 2016. Dr. Lai holds Louisiana license 320729.

NPI and contact details
Medicare PAC ID
2163753971
NPI enumeration date
June 28, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(504) 842-3000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. David Nicholas Lai practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana

Dr. Lai's primary practice is Ochsner Medical Center - New Orleans, at 1516 Jefferson Hwy, New Orleans, LA 70121 in Jefferson Parish. The practice phone is (504) 842-3000.

Source: Dmand AI Affiliation Data

Dr. David Nicholas Lai is affiliated with 3 sites of care and 2 medical groups

Dr. Lai's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dr. Lai is also affiliated with Ochsner Medical Center - Kenner. The medical group on file is Ochsner Health. Dmand AI also links Dr. Lai to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Lai

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

Dmand AI tracks the EHR system at Dr. David Nicholas Lai's practice

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

EHR by site
SiteEHR vendor and product
Ochsner Medical Center - New OrleansAvailable 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. David Nicholas Lai is one of 324 hospitalists in Louisiana

Hospitalist is Dr. Lai's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lai is licensed in Louisiana.

Specialties and state licenses

  • Hospitalist, LouisianaPrimaryLicense 320729 · taxonomy 208M00000X

Hospitalists near Dr. Lai

Counts of hospitalists 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 Nicholas Lai billed Medicare for 269 services in 2024

CMS data shows 269 Medicare services from Dr. Lai across 4 procedure codes in 2024, for 95 Medicare patients. Medicare paid $23,974 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024269
Medicare patients95
Paid by Medicare$23,974
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 3872024: 26930%

Dr. Lai compared with the Louisiana median for hospitalists, 2024

  • Dr. Lai
  • Louisiana median
Medicare services
269vs 34422% below
Medicare patients
95vs 15639% below
Part D claims
79vs 9012% below

Medians across 307 hospitalists in Louisiana with Dmand AI profiles that report each measure.

Dr. Lai'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. Lai

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

Dr. David Nicholas Lai treated 95 Medicare patients in 2024, average age 74

CMS counts 95 Medicare patients who saw Dr. Lai in 2024. The largest group is 75 to 84, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.94, 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. Lai's median patient age at 72, with 45% women.

Medicare patients, 202495
Average age74
Average risk score2.94
Also on Medicaid28%

Dr. Lai's Medicare patients by age, 2024

Dr. Lai's Medicare patients by sex, 2024

  • Women4851%
  • Men4749%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure68%
  4. Chronic kidney disease60%
  5. Atrial fibrillation56%
  6. Ischemic heart disease52%
  7. Arthritis51%
  8. Diabetes45%

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

Dr. Lai's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women45%
  • Men55%

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

Dr. David Nicholas Lai wrote 259 Medicare Part D claims in 2024

In 2024, Dr. Lai wrote 259 Medicare Part D claims for 118 patients. 76% of them were for generic drugs. CMS names the drug for 79 of them, across 4 drugs with 11 or more claims each, at $15,714 in total drug cost. In 2023, CMS named 18 claims across 1 drug.

Part D claims, 2024259
Drugs named by CMS4
Total drug cost$15,714
Part D patients118

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

  • Generic198 claims76%
  • Brand-name and other61 claims24%

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

  • Antibiotics12%31 of 259 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: 182024: 79339%

Drugs named by CMS: 4 in 2024, 1 in 2023.

See all prescribing by Dr. Lai

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. David Nicholas Lai takes part in Medicare

Dr. Lai 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. David Nicholas Lai received $876 in industry payments from 2019 to 2024

CMS Open Payments shows 37 general payments to Dr. Lai from 11 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $315.

General payments to Dr. Lai by program year, 2019 to 2024

Companies that paid Dr. Lai the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Lai

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

Sources for Dr. David Nicholas Lai'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Nicholas Lai

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 Nicholas Lai's NPI number?

Dr. David Nicholas Lai's NPI number is 1639520919. It was assigned on June 28, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. David Nicholas Lai?

Dr. David Nicholas Lai is a hospitalist in New Orleans, Louisiana. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. David Nicholas Lai practice?

Dr. Lai practices at 1516 Jefferson Hwy, New Orleans, LA 70121. Dr. Lai's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dmand AI also links Dr. Lai to 1 hospital and 1 medical group.

What is Dr. David Nicholas Lai's office phone number?

The practice phone on file for Dr. Lai is (504) 842-3000.

What is Dr. David Nicholas Lai's medical license number?

Dr. Lai holds Louisiana license 320729.

Which hospitals is Dr. David Nicholas Lai affiliated with?

Dr. Lai practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana. Dr. Lai is also affiliated with Ochsner Medical Center - Kenner. Dmand AI links Dr. Lai to 1 more hospital.

What medical group is Dr. David Nicholas Lai part of?

Dr. Lai is linked to Ochsner Health. Dmand AI links Dr. Lai to 1 more medical group.

Does Dr. David Nicholas Lai accept Medicare?

Yes. CMS data shows Dr. Lai billed Medicare for 269 services in 2024, and Dr. Lai accepts Medicare assignment.

How many Medicare patients does Dr. David Nicholas Lai see?

CMS counts 95 Medicare patients who saw Dr. Lai in 2024, with an average age of 74.

What services does Dr. David Nicholas Lai bill to Medicare?

In 2024, Dr. Lai's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).

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What drugs does Dr. David Nicholas Lai prescribe most?

In 2024 Medicare Part D data, Dr. Lai's most prescribed drugs by claims were Eliquis, Furosemide and Metoprolol Succinate.

Has Dr. David Nicholas Lai received payments from drug or device companies?

CMS Open Payments shows $876 in general payments to Dr. Lai from 11 companies from 2019 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. David Nicholas Lai been practicing?

Dr. Lai graduated from medical school in 2012, 14 years ago.

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