Healthcare provider profile · identity verified

Dmitry A. Grebenev, M.D.

Endocrinology · LARGO, FL · NPI 1528003043

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
Levothyroxine SodiumLevothyroxine Sodium396130
GlimepirideGlimepiride15255
Testosterone CypionateTestosterone Cypionate13649
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12037
SynthroidLevothyroxine Sodium11631
Metformin HclMetformin Hcl11436
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog11434
OzempicSemaglutide10925
Nano 2nd Gen Pen NeedlePen Needle, Diabetic8838
Atorvastatin CalciumAtorvastatin Calcium8732
Metformin Hcl ErMetformin Hcl8431
Tresiba Flextouch U-200Insulin Degludec7622
Pioglitazone HclPioglitazone Hcl5822
Rosuvastatin CalciumRosuvastatin Calcium5725
JardianceEmpagliflozin4913
LisinoprilLisinopril4617
JanuviaSitagliptin Phosphate4512
Humalog Kwikpen U-100Insulin Lispro4422
EzetimibeEzetimibe4217
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog4014
GabapentinGabapentin3817
MounjaroTirzepatide38suppressed
TrulicityDulaglutide3711
UnithroidLevothyroxine Sodium3713
TestosteroneTestosterone3011
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog2911
ProliaDenosumab2822
Glipizide ErGlipizide27suppressed
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro27suppressed
Novolog FlexpenInsulin Aspart25suppressed
SimvastatinSimvastatin25suppressed
Alendronate SodiumAlendronate Sodium21suppressed
Droplet Micron Pen NeedlePen Needle, Diabetic21suppressed
FenofibrateFenofibrate Nanocrystallized21suppressed
HumalogInsulin Lispro21suppressed
Humalog Kwikpen U-200Insulin Lispro21suppressed
XyostedTestosterone Enanthate21suppressed
FarxigaDapagliflozin Propanediol20suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)20suppressed
Lyumjev Kwikpen U-100Insulin Lispro-Aabc18suppressed
Pravastatin SodiumPravastatin Sodium17suppressed
FenofibrateFenofibrate16suppressed
Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/716suppressed
FenofibrateFenofibrate,micronized15suppressed
Evenity (2 Syringes)Romosozumab-Aqqg14suppressed
MethimazoleMethimazole14suppressed
GlipizideGlipizide13suppressed
Insulin SyringeSyringe And Needle,insulin,1ml13suppressed
Novolin RInsulin Regular, Human13suppressed
NovologInsulin Aspart12suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Ulticare Pen NeedlePen Needle, Diabetic11suppressed

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