Healthcare provider profile · identity verified

Julia S Billington, M.D.

Internal Medicine · SANTA BARBARA, CA · NPI 1104873801

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
Levothyroxine Sodium	Levothyroxine Sodium	740	187
Atorvastatin Calcium	Atorvastatin Calcium	662	188
Losartan Potassium	Losartan Potassium	494	143
Famotidine	Famotidine	403	122
Amlodipine Besylate	Amlodipine Besylate	363	113
Rosuvastatin Calcium	Rosuvastatin Calcium	360	110
Omeprazole	Omeprazole	304	103
Eliquis	Apixaban	256	39
Lorazepam	Lorazepam	231	61
Trazodone Hcl	Trazodone Hcl	230	54
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	191	60
Alprazolam	Alprazolam	183	60
Lisinopril	Lisinopril	175	53
Carvedilol	Carvedilol	169	55
Metformin Hcl	Metformin Hcl	169	53
Metoprolol Succinate	Metoprolol Succinate	165	50
Tamsulosin Hcl	Tamsulosin Hcl	161	54
Donepezil Hcl	Donepezil Hcl	157	32
Furosemide	Furosemide	157	39
Mirtazapine	Mirtazapine	157	37
Gabapentin	Gabapentin	154	43
Finasteride	Finasteride	139	36
Bupropion Xl	Bupropion Hcl	137	37
Ozempic	Semaglutide	136	22
Citalopram Hbr	Citalopram Hydrobromide	129	32
Escitalopram Oxalate	Escitalopram Oxalate	122	35
Hydrochlorothiazide	Hydrochlorothiazide	117	38
Pantoprazole Sodium	Pantoprazole Sodium	112	35
Azithromycin	Azithromycin	109	63
Potassium Chloride	Potassium Chloride	106	25
Spironolactone	Spironolactone	106	30
Cephalexin	Cephalexin	102	64
Venlafaxine Hcl Er	Venlafaxine Hcl	101	23
Sertraline Hcl	Sertraline Hcl	98	27
Duloxetine Hcl	Duloxetine Hcl	95	28
Methylphenidate Hcl	Methylphenidate Hcl	92	22
Xarelto	Rivaroxaban	90	16
Fluoxetine Hcl	Fluoxetine Hcl	88	26
Jardiance	Empagliflozin	87	23
Quetiapine Fumarate	Quetiapine Fumarate	87	16
Synthroid	Levothyroxine Sodium	87	29
Albuterol Sulfate Hfa	Albuterol Sulfate	86	40
Tramadol Hcl	Tramadol Hcl	83	39
Mounjaro	Tirzepatide	80	11
Estradiol	Estradiol	78	38
Zolpidem Tartrate	Zolpidem Tartrate	76	24
Clonazepam	Clonazepam	75	21
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	75	20
Meloxicam	Meloxicam	75	20
Montelukast Sodium	Montelukast Sodium	75	29
Lamotrigine	Lamotrigine	74	13
Metoprolol Tartrate	Metoprolol Tartrate	74	22
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	73	24
Fluticasone Propionate	Fluticasone Propionate	69	26
Carbidopa-Levodopa	Carbidopa/Levodopa	68	suppressed
Simvastatin	Simvastatin	68	23
Pregabalin	Pregabalin	67	24
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	63	14
Ketoconazole	Ketoconazole	62	30
Valacyclovir	Valacyclovir Hcl	61	29
Trulicity	Dulaglutide	60	14
Pravastatin Sodium	Pravastatin Sodium	59	20
Aripiprazole	Aripiprazole	55	12
Azelastine Hcl	Azelastine Hcl	54	29
Ezetimibe	Ezetimibe	50	20
Prednisone	Prednisone	50	14
Clopidogrel	Clopidogrel Bisulfate	46	15
Ibandronate Sodium	Ibandronate Sodium	45	13
Myrbetriq	Mirabegron	45	13
Allopurinol	Allopurinol	44	15
Celecoxib	Celecoxib	44	17
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	43	12
Gemtesa	Vibegron	43	suppressed
Metformin Hcl Er	Metformin Hcl	42	16
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	41	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	41	17
Alendronate Sodium	Alendronate Sodium	39	11
Doxycycline Hyclate	Doxycycline Hyclate	37	19
Divalproex Sodium	Divalproex Sodium	36	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	36	suppressed
Memantine Hcl	Memantine Hcl	36	suppressed
Olanzapine	Olanzapine	35	suppressed
Ondansetron Odt	Ondansetron	35	13
Valsartan	Valsartan	34	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	33	suppressed
Primidone	Primidone	33	suppressed
Atenolol	Atenolol	31	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	31	suppressed
Methenamine Hippurate	Methenamine Hippurate	31	suppressed
Verapamil Er	Verapamil Hcl	31	suppressed
Acyclovir	Acyclovir	29	suppressed
Benazepril Hcl	Benazepril Hcl	28	suppressed
Irbesartan	Irbesartan	28	suppressed
Oxycodone Hcl	Oxycodone Hcl	28	suppressed
Dexlansoprazole Dr	Dexlansoprazole	27	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	27	27
Sumatriptan Succinate	Sumatriptan Succinate	27	suppressed
Budesonide Ec	Budesonide	26	suppressed
Fluconazole	Fluconazole	26	17
Diazepam	Diazepam	25	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	25	suppressed
Diclofenac Sodium	Diclofenac Sodium	24	12
Clobetasol Propionate	Clobetasol Propionate	23	16
Lovastatin	Lovastatin	23	suppressed
Risperidone	Risperidone	22	suppressed
Dutasteride	Dutasteride	21	suppressed
Ibuprofen	Ibuprofen	21	12
Liothyronine Sodium	Liothyronine Sodium	21	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	21	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	20	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	20	suppressed
Methotrexate	Methotrexate Sodium	20	suppressed
Praluent Pen	Alirocumab	20	suppressed
Sucralfate	Sucralfate	20	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	20	suppressed
Methadone Hcl	Methadone Hcl	19	suppressed
Warfarin Sodium	Warfarin Sodium	19	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	19	suppressed
Acetazolamide	Acetazolamide	18	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	18	suppressed
Digoxin	Digoxin	18	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	18	suppressed
Ondansetron Hcl	Ondansetron Hcl	18	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	18	suppressed
Januvia	Sitagliptin Phosphate	17	suppressed
Methylprednisolone	Methylprednisolone	17	15
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	17	suppressed
Amiodarone Hcl	Amiodarone Hcl	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	14
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Naltrexone Hcl	Naltrexone Hcl	16	suppressed
Nebivolol Hcl	Nebivolol Hcl	16	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	16	suppressed
Topiramate	Topiramate	16	suppressed
Buspirone Hcl	Buspirone Hcl	15	suppressed
Emgality Pen	Galcanezumab-Gnlm	15	suppressed
Estradiol (Twice Weekly)	Estradiol	15	suppressed
Farxiga	Dapagliflozin Propanediol	15	suppressed
Glimepiride	Glimepiride	15	suppressed
Lidocaine	Lidocaine	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Dexmethylphenidate Hcl Er	Dexmethylphenidate Hcl	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Progesterone	Progesterone, Micronized	14	suppressed
Budesonide Dr	Budesonide	13	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Guanfacine Hcl Er	Guanfacine Hcl	13	suppressed
Humalog Kwikpen U-100	Insulin Lispro	13	suppressed
Methylphenidate Er (La)	Methylphenidate Hcl	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Levetiracetam	Levetiracetam	12	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	12	suppressed
Levofloxacin	Levofloxacin	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Repatha Syringe	Evolocumab	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Temazepam	Temazepam	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Yuvafem	Estradiol	12	suppressed
Baclofen	Baclofen	11	suppressed
Clonidine	Clonidine	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Linzess	Linaclotide	11	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	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