NPPES file of Aug 9, 2026

Ai-Tram Ngoc Bui, MD

Dermatology Physician · Westport, CT

Ai-Tram Ngoc Bui, MD is a dermatology physician with a practice address in Westport, Connecticut, and NPI 1578140554, issued on Mar 26, 2021. Check the license (Connecticut 081712, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578140554
Name
Ai-Tram Ngoc Bui
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
081712 CT
181448 CA
Self-reported in NPPES; status is on the state search
Practice location
162 Kings Hwy N, Westport, CT 06880
Phone
(475) 471-1050
Enumerated
Mar 26, 2021
Record last updated
Jun 12, 2025
Medicare enrollment
Enrolled (PECOS I20250617003512); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 162 Kings Hwy N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janaki Amin, DPTPhysical Therapist1972971257
  2. Samuel Frumkin, M.D.Internal Medicine Physician1124120043
  3. Anne-Marie Lezeau, RN, PMHNP, DNPPsychiatric/Mental Health Nurse Practitioner1356076764
  4. Holly Mehne, MSWClinical Social Worker1831931278
  5. Randi Roth, PH.D.Psychologist1629135785
  6. Cesar Sierra, MDOphthalmology Physician1902997240

Verify Ai-Tram Ngoc Bui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 081712
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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83% fewer Medicare Part D claims than the average dermatology physician in 2024

135 Medicare Part D claims for 65 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Ai-Tram Bui135
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide14 claims
  2. Clobetasol Propionate12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $737.93

7 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ai-Tram Bui$737.93
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Adult And Pediatric Dermatology Specialists, P.C.Trumbull, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dermatology Physician providers in Connecticut

There are 253 dermatology physician records in Connecticut.

Other dermatology physician records in Connecticut

  1. Donna Aiudi, M.D.Farmington, CT1902870280
  2. Michael Albert, M.D.Newington, CT1396842035
  3. Jeffrey Alter, MDWaterbury, CT1023015542
  4. Richard Antaya, MDNew Haven, CT1336130715
  5. Nina Antonov, M.D.Westport, CT1467847582
  6. Andrew Atton, MDMadison, CT1235124538
  7. Lihi Atzmony Maoz, MDNew Haven, CT1265299648
  8. Tanya Ave'Lallemant, MDBristol, CT1861497620
  9. Laurie Bain, M.D.Vernon, CT1134125834
  10. Grace Bandow, M.D.Shelton, CT1871709147

Common questions

What is Ai-Tram Ngoc Bui, MD's NPI number?

Ai-Tram Ngoc Bui, MD's National Provider Identifier (NPI) is 1578140554, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ai-Tram Ngoc Bui, MD located?

The NPPES record lists a practice address at 162 Kings Hwy N, Westport, CT, 06880. Phone: (475) 471-1050. Providers update this record themselves, so call before visiting.

How can I verify Ai-Tram Ngoc Bui, MD's license?

NPPES lists Connecticut license number 081712, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ai-Tram Ngoc Bui, MD prescribe under Medicare Part D?

In 2024, Ai-Tram Ngoc Bui, MD had 135 Medicare Part D claims for 65 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.