Healthcare provider profile · identity verified

Zia Khan, M.D.

Family Practice · WASHINGTON, DC · NPI 1386904027

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	487	196
Amlodipine Besylate	Amlodipine Besylate	338	140
Losartan Potassium	Losartan Potassium	192	74
Lisinopril	Lisinopril	185	79
Pantoprazole Sodium	Pantoprazole Sodium	139	56
Metformin Hcl	Metformin Hcl	132	50
Albuterol Sulfate Hfa	Albuterol Sulfate	127	56
Arexvy	Rsvpref3 Antigen/As01e/Pf	123	123
Furosemide	Furosemide	107	54
Hydrochlorothiazide	Hydrochlorothiazide	101	41
Glipizide	Glipizide	100	43
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	92	18
Gabapentin	Gabapentin	91	49
Tamsulosin Hcl	Tamsulosin Hcl	87	39
Famotidine	Famotidine	81	32
Trazodone Hcl	Trazodone Hcl	80	25
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	77	31
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	76	26
Acetaminophen-Codeine	Acetaminophen With Codeine	74	33
Levothyroxine Sodium	Levothyroxine Sodium	73	31
Metoprolol Tartrate	Metoprolol Tartrate	69	28
Jardiance	Empagliflozin	65	25
Tramadol Hcl	Tramadol Hcl	63	18
Alvesco	Ciclesonide	61	17
Metformin Hcl Er	Metformin Hcl	56	23
Prednisone	Prednisone	55	25
Allopurinol	Allopurinol	54	21
Atenolol	Atenolol	53	20
Simvastatin	Simvastatin	53	19
Triamcinolone Acetonide	Triamcinolone Acetonide	53	42
Wixela Inhub	Fluticasone Propion/Salmeterol	52	24
Azelastine Hcl	Azelastine Hcl	51	31
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	48	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	47	31
Alendronate Sodium	Alendronate Sodium	46	19
Hydralazine Hcl	Hydralazine Hcl	46	17
Carvedilol	Carvedilol	44	18
Clopidogrel	Clopidogrel Bisulfate	43	16
Pradaxa	Dabigatran Etexilate Mesylate	43	15
Eliquis	Apixaban	41	11
Finasteride	Finasteride	39	15
Spiriva Respimat	Tiotropium Bromide	39	13
Ibuprofen	Ibuprofen	38	24
Rosuvastatin Calcium	Rosuvastatin Calcium	36	11
Lorazepam	Lorazepam	34	20
Pravastatin Sodium	Pravastatin Sodium	33	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	28	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	27	25
Potassium Chloride	Potassium Chloride	27	14
Colchicine	Colchicine	26	13
Latanoprost	Latanoprost	26	11
Lovastatin	Lovastatin	26	12
Metoprolol Succinate	Metoprolol Succinate	26	suppressed
Donepezil Hcl	Donepezil Hcl	25	11
Montelukast Sodium	Montelukast Sodium	25	13
Humulin N	Insulin Nph Human Isophane	24	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	24	suppressed
Azithromycin	Azithromycin	23	21
Ozempic	Semaglutide	23	suppressed
Entresto	Sacubitril/Valsartan	21	suppressed
Spironolactone	Spironolactone	20	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	19	11
Warfarin Sodium	Warfarin Sodium	19	suppressed
Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	18	suppressed
Mirtazapine	Mirtazapine	18	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	18	17
Alprazolam	Alprazolam	17	suppressed
Liraglutide	Liraglutide	17	suppressed
Megestrol Acetate	Megestrol Acetate	17	12
Pioglitazone Hcl	Pioglitazone Hcl	17	suppressed
Chlorthalidone	Chlorthalidone	16	suppressed
Ciclopirox	Ciclopirox Olamine	16	suppressed
Ipratropium Bromide	Ipratropium Bromide	16	13
Sertraline Hcl	Sertraline Hcl	16	suppressed
Meloxicam	Meloxicam	15	11
Levetiracetam	Levetiracetam	14	suppressed
Nifedipine Er	Nifedipine	14	suppressed
Pregabalin	Pregabalin	14	suppressed
Fluocinonide	Fluocinonide	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	12
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Mupirocin	Mupirocin	12	12
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	12	11
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Duloxetine Hcl	Duloxetine Hcl	11	suppressed
Sucralfate	Sucralfate	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

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

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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