Healthcare provider profile · identity verified

Jan G Dohlman, M.D.

Internal Medicine · EAST BOSTON, MA · NPI 1528046943

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
MethotrexateMethotrexate Sodium14424
Atorvastatin CalciumAtorvastatin Calcium12345
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen10814
Amlodipine BesylateAmlodipine Besylate10140
GabapentinGabapentin9145
PrednisonePrednisone8328
Tramadol HclTramadol Hcl8112
IbuprofenIbuprofen6937
ClonazepamClonazepam57suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl5422
LorazepamLorazepam5412
Enbrel SureclickEtanercept45suppressed
OmeprazoleOmeprazole4322
Diclofenac SodiumDiclofenac Sodium4217
Losartan PotassiumLosartan Potassium4119
Fluticasone PropionateFluticasone Propionate3825
JardianceEmpagliflozin3413
TrulicityDulaglutide34suppressed
AlprazolamAlprazolam32suppressed
Metformin Hcl ErMetformin Hcl3214
Tamsulosin HclTamsulosin Hcl3220
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3012
LeflunomideLeflunomide29suppressed
Tizanidine HclTizanidine Hcl2916
SynjardyEmpagliflozin/Metformin Hcl25suppressed
Metoprolol SuccinateMetoprolol Succinate2314
Triamcinolone AcetonideTriamcinolone Acetonide2315
LisinoprilLisinopril22suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2115
Metformin HclMetformin Hcl21suppressed
FamotidineFamotidine2012
Ventolin HfaAlbuterol Sulfate20suppressed
HydrochlorothiazideHydrochlorothiazide19suppressed
Rosuvastatin CalciumRosuvastatin Calcium17suppressed
AllopurinolAllopurinol16suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16suppressed
LidocaineLidocaine16suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate15suppressed
Atrovent HfaIpratropium Bromide14suppressed
Glipizide ErGlipizide14suppressed
OzempicSemaglutide14suppressed
MeloxicamMeloxicam13suppressed
Pantoprazole SodiumPantoprazole Sodium13suppressed
SimvastatinSimvastatin13suppressed
Meclizine HclMeclizine Hcl12suppressed
SpironolactoneSpironolactone12suppressed
Acetaminophen-CodeineAcetaminophen With Codeine11suppressed
Actemra ActpenTocilizumab11suppressed
Escitalopram OxalateEscitalopram Oxalate11suppressed
KetoconazoleKetoconazole11suppressed

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