Healthcare provider profile · identity verified

Christopher Ryan Olson, MD

Family Practice · EL DORADO HILLS, CA · NPI 1912963331

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
Amlodipine Besylate	Amlodipine Besylate	433	132
Levothyroxine Sodium	Levothyroxine Sodium	421	124
Atorvastatin Calcium	Atorvastatin Calcium	290	91
Rosuvastatin Calcium	Rosuvastatin Calcium	232	70
Trazodone Hcl	Trazodone Hcl	203	62
Tamsulosin Hcl	Tamsulosin Hcl	198	52
Losartan Potassium	Losartan Potassium	183	57
Lisinopril	Lisinopril	160	51
Pantoprazole Sodium	Pantoprazole Sodium	151	52
Hydrochlorothiazide	Hydrochlorothiazide	138	38
Duloxetine Hcl	Duloxetine Hcl	132	34
Gabapentin	Gabapentin	132	41
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	123	38
Montelukast Sodium	Montelukast Sodium	122	33
Omeprazole	Omeprazole	122	39
Metformin Hcl	Metformin Hcl	115	35
Pravastatin Sodium	Pravastatin Sodium	106	34
Bupropion Xl	Bupropion Hcl	102	23
Escitalopram Oxalate	Escitalopram Oxalate	102	31
Metoprolol Succinate	Metoprolol Succinate	102	34
Celecoxib	Celecoxib	92	24
Eliquis	Apixaban	90	21
Albuterol Sulfate Hfa	Albuterol Sulfate	75	32
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	72	15
Famotidine	Famotidine	67	20
Furosemide	Furosemide	62	21
Alendronate Sodium	Alendronate Sodium	60	17
Mirtazapine	Mirtazapine	60	14
Synthroid	Levothyroxine Sodium	60	14
Ozempic	Semaglutide	58	12
Alprazolam	Alprazolam	57	14
Fluticasone Propionate	Fluticasone Propionate	55	21
Myrbetriq	Mirabegron	54	12
Pregabalin	Pregabalin	54	21
Spironolactone	Spironolactone	53	14
Estradiol	Estradiol	51	15
Fluoxetine Hcl	Fluoxetine Hcl	51	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	51	20
Chlorthalidone	Chlorthalidone	49	16
Glipizide Er	Glipizide	49	13
Olmesartan Medoxomil	Olmesartan Medoxomil	48	14
Quetiapine Fumarate	Quetiapine Fumarate	48	suppressed
Amoxicillin	Amoxicillin	46	40
Zolpidem Tartrate	Zolpidem Tartrate	44	14
Clonidine Hcl	Clonidine Hcl	42	11
Felodipine Er	Felodipine	42	13
Tramadol Hcl	Tramadol Hcl	42	15
Prednisone	Prednisone	41	21
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	40	32
Atenolol	Atenolol	40	13
Azelastine Hcl	Azelastine Hcl	40	15
Diclofenac Sodium	Diclofenac Sodium	40	17
Clopidogrel	Clopidogrel Bisulfate	39	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	39	12
Simvastatin	Simvastatin	39	12
Valsartan	Valsartan	39	12
Irbesartan	Irbesartan	35	14
Nystatin	Nystatin	35	16
Donepezil Hcl	Donepezil Hcl	34	suppressed
Finasteride	Finasteride	33	suppressed
Tizanidine Hcl	Tizanidine Hcl	33	suppressed
Allopurinol	Allopurinol	32	suppressed
Bupropion Hcl Sr	Bupropion Hcl	31	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	31	24
Etodolac	Etodolac	31	suppressed
Mupirocin	Mupirocin	30	29
Potassium Chloride	Potassium Chloride	30	16
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	29	23
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	suppressed
Ondansetron Odt	Ondansetron	28	14
Pioglitazone Hcl	Pioglitazone Hcl	28	suppressed
Aripiprazole	Aripiprazole	27	suppressed
Hydralazine Hcl	Hydralazine Hcl	26	11
Hydroxyzine Hcl	Hydroxyzine Hcl	26	suppressed
Lorazepam	Lorazepam	26	suppressed
Propranolol Hcl	Propranolol Hcl	26	suppressed
Memantine Hcl	Memantine Hcl	25	suppressed
Cephalexin	Cephalexin	24	21
Topiramate	Topiramate	23	suppressed
Ezetimibe	Ezetimibe	22	suppressed
Naproxen	Naproxen	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Meloxicam	Meloxicam	21	suppressed
Sertraline Hcl	Sertraline Hcl	21	suppressed
Symbicort	Budesonide/Formoterol Fumarate	20	suppressed
Xarelto	Rivaroxaban	20	suppressed
Liothyronine Sodium	Liothyronine Sodium	19	suppressed
Buspirone Hcl	Buspirone Hcl	18	suppressed
Dexlansoprazole Dr	Dexlansoprazole	18	suppressed
Metformin Hcl Er	Metformin Hcl	18	suppressed
Morphine Sulfate Er	Morphine Sulfate	18	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	18	14
Valacyclovir	Valacyclovir Hcl	18	13
Clonazepam	Clonazepam	17	suppressed
Levofloxacin	Levofloxacin	17	16
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	17	suppressed
Ropinirole Hcl	Ropinirole Hcl	17	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	17	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	15	suppressed
Meclizine Hcl	Meclizine Hcl	15	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	15	suppressed
Warfarin Sodium	Warfarin Sodium	15	suppressed
Azithromycin	Azithromycin	14	12
Benazepril Hcl	Benazepril Hcl	14	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Eplerenone	Eplerenone	14	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	14	suppressed
Ipratropium Bromide	Ipratropium Bromide	14	suppressed
Rybelsus	Semaglutide	14	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	14	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	14	suppressed
Cefdinir	Cefdinir	13	11
Cilostazol	Cilostazol	13	suppressed
Ibuprofen	Ibuprofen	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Carvedilol	Carvedilol	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	12
Creon	Lipase/Protease/Amylase	12	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	12	suppressed
Risperidone	Risperidone	12	suppressed
Sucralfate	Sucralfate	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Verapamil Sr	Verapamil Hcl	12	suppressed
Baclofen	Baclofen	11	suppressed
Breyna	Budesonide/Formoterol Fumarate	11	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	11	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	11	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	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