Healthcare provider profile · identity verified

Nicola E Walker, MD

Family Practice · COVINGTON, WA · NPI 1538193586

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	636	179
Levothyroxine Sodium	Levothyroxine Sodium	286	69
Amlodipine Besylate	Amlodipine Besylate	276	84
Rosuvastatin Calcium	Rosuvastatin Calcium	271	82
Lisinopril	Lisinopril	258	69
Metformin Hcl Er	Metformin Hcl	257	75
Hydrochlorothiazide	Hydrochlorothiazide	248	75
Losartan Potassium	Losartan Potassium	239	70
Omeprazole	Omeprazole	211	60
Gabapentin	Gabapentin	206	54
Metoprolol Succinate	Metoprolol Succinate	200	52
Trazodone Hcl	Trazodone Hcl	174	50
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	156	34
Sertraline Hcl	Sertraline Hcl	155	48
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	152	42
Simvastatin	Simvastatin	144	42
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	121	34
Alendronate Sodium	Alendronate Sodium	117	36
Potassium Chloride	Potassium Chloride	111	37
Ozempic	Semaglutide	103	23
Allopurinol	Allopurinol	98	26
Albuterol Sulfate Hfa	Albuterol Sulfate	96	43
Glimepiride	Glimepiride	89	27
Fluticasone Propionate	Fluticasone Propionate	83	35
Alprazolam	Alprazolam	80	14
Mirtazapine	Mirtazapine	76	25
Citalopram Hbr	Citalopram Hydrobromide	74	25
Pantoprazole Sodium	Pantoprazole Sodium	70	25
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	69	21
Spironolactone	Spironolactone	69	20
Carvedilol	Carvedilol	67	16
Famotidine	Famotidine	58	18
Bupropion Xl	Bupropion Hcl	56	19
Telmisartan	Telmisartan	55	20
Tamsulosin Hcl	Tamsulosin Hcl	54	18
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	54	13
Metformin Hcl	Metformin Hcl	53	16
Furosemide	Furosemide	51	19
Estradiol	Estradiol	50	20
Lorazepam	Lorazepam	50	15
Meloxicam	Meloxicam	50	15
Tizanidine Hcl	Tizanidine Hcl	50	20
Oxycodone Hcl	Oxycodone Hcl	49	16
Eliquis	Apixaban	48	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	45	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	45	37
Atenolol	Atenolol	43	12
Escitalopram Oxalate	Escitalopram Oxalate	42	13
Pregabalin	Pregabalin	41	suppressed
Montelukast Sodium	Montelukast Sodium	40	13
Nifedipine Er	Nifedipine	37	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	37	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	36	11
Hydroxyzine Pamoate	Hydroxyzine Pamoate	36	suppressed
Buspirone Hcl	Buspirone Hcl	33	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	33	16
Metoprolol Tartrate	Metoprolol Tartrate	33	suppressed
Bupropion Hcl Sr	Bupropion Hcl	32	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	32	11
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	31	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	31	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	31	suppressed
Duloxetine Hcl	Duloxetine Hcl	30	suppressed
Jardiance	Empagliflozin	28	suppressed
Pravastatin Sodium	Pravastatin Sodium	28	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	26	12
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Naproxen	Naproxen	25	suppressed
Glipizide Er	Glipizide	23	suppressed
Baclofen	Baclofen	22	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	22	suppressed
Ipratropium Bromide	Ipratropium Bromide	22	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	22	suppressed
Xarelto	Rivaroxaban	22	suppressed
Ibuprofen	Ibuprofen	21	12
Tramadol Hcl	Tramadol Hcl	21	suppressed
Valacyclovir	Valacyclovir Hcl	21	suppressed
Diclofenac Sodium	Diclofenac Sodium	20	11
Nystatin	Nystatin	20	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	20	suppressed
Solifenacin Succinate	Solifenacin Succinate	20	suppressed
Tresiba Flextouch U-100	Insulin Degludec	20	suppressed
Azithromycin	Azithromycin	19	18
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Lidocaine	Lidocaine	19	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	19	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	18	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	17	suppressed
Lovastatin	Lovastatin	17	suppressed
Novolog Flexpen	Insulin Aspart	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Paroxetine Hcl	Paroxetine Hcl	16	suppressed
Qvar Redihaler	Beclomethasone Dipropionate	16	suppressed
Morphine Sulfate Er	Morphine Sulfate	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Dilt-Xr	Diltiazem Hcl	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Zubsolv	Buprenorphine Hcl/Naloxone Hcl	14	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	13	suppressed
Sucralfate	Sucralfate	13	suppressed
Torsemide	Torsemide	13	suppressed
Alcohol Prep Pads	Alcohol Antiseptic Pads	12	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	12	suppressed
Januvia	Sitagliptin Phosphate	12	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	11	suppressed
Carbamazepine	Carbamazepine	11	suppressed
Dulera	Mometasone/Formoterol	11	suppressed
Incruse Ellipta	Umeclidinium Bromide	11	suppressed
Metronidazole	Metronidazole	11	suppressed
Minocycline Hcl	Minocycline Hcl	11	suppressed
Mupirocin	Mupirocin	11	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	11	11
Ropinirole Hcl	Ropinirole Hcl	11	suppressed
Trulicity	Dulaglutide	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