Healthcare provider profile · identity verified

Christopher S Manasseh, M.D.

Family Practice · BOSTON, MA · NPI 1407820673

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
Amlodipine BesylateAmlodipine Besylate18146
Atorvastatin CalciumAtorvastatin Calcium17750
GabapentinGabapentin11926
OmeprazoleOmeprazole11832
Oxycodone HclOxycodone Hcl8416
JardianceEmpagliflozin7915
Metoprolol SuccinateMetoprolol Succinate7723
LisinoprilLisinopril7425
Losartan PotassiumLosartan Potassium7120
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen71suppressed
TorsemideTorsemide6516
Albuterol Sulfate HfaAlbuterol Sulfate6222
Metformin Hcl ErMetformin Hcl5820
Rosuvastatin CalciumRosuvastatin Calcium5516
Fluticasone PropionateFluticasone Propionate5214
Ventolin HfaAlbuterol Sulfate5117
Metformin HclMetformin Hcl5013
Diclofenac SodiumDiclofenac Sodium44suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4315
ChlorthalidoneChlorthalidone42suppressed
TrulicityDulaglutide37suppressed
CarvedilolCarvedilol3511
ClonazepamClonazepam34suppressed
HydrochlorothiazideHydrochlorothiazide3112
Varenicline TartrateVarenicline Tartrate31suppressed
LorazepamLorazepam30suppressed
OzempicSemaglutide30suppressed
FamotidineFamotidine2912
Tramadol HclTramadol Hcl29suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads28suppressed
IbuprofenIbuprofen26suppressed
LidocaineLidocaine25suppressed
Morphine Sulfate ErMorphine Sulfate25suppressed
CilostazolCilostazol24suppressed
Morphine SulfateMorphine Sulfate24suppressed
SimvastatinSimvastatin24suppressed
Pantoprazole SodiumPantoprazole Sodium23suppressed
Amitriptyline HclAmitriptyline Hcl21suppressed
Novolog FlexpenInsulin Aspart21suppressed
Tamsulosin HclTamsulosin Hcl21suppressed
EzetimibeEzetimibe19suppressed
TradjentaLinagliptin19suppressed
AtenololAtenolol18suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
Tresiba Flextouch U-200Insulin Degludec18suppressed
Acetaminophen-CodeineAcetaminophen With Codeine17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
SpironolactoneSpironolactone17suppressed
Unifine PentipsPen Needle, Diabetic17suppressed
AllopurinolAllopurinol15suppressed
Bupropion XlBupropion Hcl15suppressed
EliquisApixaban15suppressed
Trazodone HclTrazodone Hcl15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
Levothyroxine SodiumLevothyroxine Sodium14suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip13suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
LatanoprostLatanoprost13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim13suppressed
Clonidine HclClonidine Hcl12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Brimonidine TartrateBrimonidine Tartrate11suppressed
Divalproex SodiumDivalproex Sodium11suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat11suppressed
Duloxetine HclDuloxetine Hcl11suppressed
Glipizide ErGlipizide11suppressed
Timolol MaleateTimolol Maleate11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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