Healthcare provider profile · identity verified

David M Serlin, M.D.

Pulmonary Disease · NORTHAMPTON, MA · NPI 1205889953

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Trelegy ElliptaFluticasone/Umeclidin/Vilanter428108
PrednisonePrednisone22195
Albuterol Sulfate HfaAlbuterol Sulfate21398
Montelukast SodiumMontelukast Sodium18958
Fluticasone PropionateFluticasone Propionate17068
RoflumilastRoflumilast14029
Wixela InhubFluticasone Propion/Salmeterol10939
Breo ElliptaFluticasone/Vilanterol10731
Spiriva RespimatTiotropium Bromide7618
Azelastine HclAzelastine Hcl7343
Fluticasone-SalmeterolFluticasone Propion/Salmeterol6920
Ventolin HfaAlbuterol Sulfate6625
Breztri AerosphereBudesonide/Glycopyr/Formoterol6520
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr6417
Ipratropium BromideIpratropium Bromide6325
Advair HfaFluticasone Propion/Salmeterol5517
OmeprazoleOmeprazole5227
AzithromycinAzithromycin5032
FamotidineFamotidine4416
SymbicortBudesonide/Formoterol Fumarate4414
OfevNintedanib Esylate43suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate38suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3521
Incruse ElliptaUmeclidinium Bromide3215
ZafirlukastZafirlukast3214
Arnuity ElliptaFluticasone Furoate3111
DuleraMometasone/Formoterol30suppressed
EliquisApixaban29suppressed
Levalbuterol Tartrate HfaLevalbuterol Tartrate28suppressed
Varenicline TartrateVarenicline Tartrate27suppressed
XolairOmalizumab26suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl25suppressed
Dupixent SyringeDupilumab24suppressed
FurosemideFurosemide23suppressed
SpironolactoneSpironolactone23suppressed
Fasenra PenBenralizumab21suppressed
Bevespi AerosphereGlycopyrrolate/Formoterol Fum20suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim20suppressed
CefuroximeCefuroxime Axetil1813
AmoxicillinAmoxicillin1715
Azelastine-FluticasoneAzelastine/Fluticasone17suppressed
TezspireTezepelumab-Ekko17suppressed
HydrochlorothiazideHydrochlorothiazide16suppressed
Spiriva HandihalerTiotropium Bromide16suppressed
Pulmicort FlexhalerBudesonide15suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate13suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
CephalexinCephalexin11suppressed
GabapentinGabapentin11suppressed
NucalaMepolizumab11suppressed
Qvar RedihalerBeclomethasone Dipropionate11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error