Healthcare provider profile · identity verified

Gemma C Saringan, M.D.

Family Practice · YUBA CITY, CA · NPI 1750351615

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
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	528	102
Amlodipine Besylate	Amlodipine Besylate	382	111
Atorvastatin Calcium	Atorvastatin Calcium	323	98
Losartan Potassium	Losartan Potassium	292	80
Montelukast Sodium	Montelukast Sodium	262	80
Levothyroxine Sodium	Levothyroxine Sodium	239	65
Gabapentin	Gabapentin	229	66
Pantoprazole Sodium	Pantoprazole Sodium	218	61
Omeprazole	Omeprazole	192	56
Lisinopril	Lisinopril	181	57
Furosemide	Furosemide	173	54
Alendronate Sodium	Alendronate Sodium	156	43
Metoprolol Succinate	Metoprolol Succinate	149	49
Potassium Chloride	Potassium Chloride	143	39
Allopurinol	Allopurinol	142	38
Metformin Hcl Er	Metformin Hcl	137	38
Albuterol Sulfate Hfa	Albuterol Sulfate	119	54
Tramadol Hcl	Tramadol Hcl	119	29
Alprazolam	Alprazolam	117	29
Fluticasone Propionate	Fluticasone Propionate	115	45
Celecoxib	Celecoxib	111	24
Pravastatin Sodium	Pravastatin Sodium	107	28
Hydralazine Hcl	Hydralazine Hcl	104	29
Rosuvastatin Calcium	Rosuvastatin Calcium	104	33
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	103	29
Zolpidem Tartrate	Zolpidem Tartrate	103	19
Tamsulosin Hcl	Tamsulosin Hcl	102	31
Ozempic	Semaglutide	98	19
Lorazepam	Lorazepam	97	19
Buspirone Hcl	Buspirone Hcl	94	22
Sertraline Hcl	Sertraline Hcl	87	21
Glimepiride	Glimepiride	86	23
Azithromycin	Azithromycin	84	68
Metoprolol Tartrate	Metoprolol Tartrate	80	25
Bupropion Xl	Bupropion Hcl	75	20
Temazepam	Temazepam	75	16
Metformin Hcl	Metformin Hcl	74	22
Trazodone Hcl	Trazodone Hcl	73	17
Simvastatin	Simvastatin	72	23
Pregabalin	Pregabalin	71	16
Ezetimibe	Ezetimibe	70	18
Eliquis	Apixaban	65	18
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	60	14
Fluoxetine Hcl	Fluoxetine Hcl	58	suppressed
Mounjaro	Tirzepatide	58	suppressed
Januvia	Sitagliptin Phosphate	57	13
Triamcinolone Acetonide	Triamcinolone Acetonide	57	28
Meclizine Hcl	Meclizine Hcl	56	13
Ibuprofen	Ibuprofen	54	14
Escitalopram Oxalate	Escitalopram Oxalate	53	14
Glipizide Er	Glipizide	52	19
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	50	13
Oxybutynin Chloride Er	Oxybutynin Chloride	49	14
Cephalexin	Cephalexin	48	23
Citalopram Hbr	Citalopram Hydrobromide	47	13
Diazepam	Diazepam	46	11
Aripiprazole	Aripiprazole	45	suppressed
Duloxetine Hcl	Duloxetine Hcl	44	14
Sumatriptan Succinate	Sumatriptan Succinate	43	suppressed
Carvedilol	Carvedilol	42	13
Famotidine	Famotidine	42	15
Fenofibrate	Fenofibrate	42	12
Ibandronate Sodium	Ibandronate Sodium	42	14
Risperidone	Risperidone	42	suppressed
Valsartan	Valsartan	42	15
Dutasteride	Dutasteride	40	16
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	40	25
Clonazepam	Clonazepam	39	suppressed
Atenolol	Atenolol	37	11
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	37	11
Colchicine	Colchicine	36	12
Clopidogrel	Clopidogrel Bisulfate	34	12
Donepezil Hcl	Donepezil Hcl	34	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	34	23
Ropinirole Hcl	Ropinirole Hcl	34	suppressed
Nifedipine Er	Nifedipine	33	suppressed
Meloxicam	Meloxicam	32	11
Benazepril Hcl	Benazepril Hcl	31	suppressed
Jardiance	Empagliflozin	31	suppressed
Valacyclovir	Valacyclovir Hcl	31	13
Estradiol	Estradiol	30	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	30	11
Acetaminophen-Codeine	Acetaminophen With Codeine	28	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	28	12
Mupirocin	Mupirocin	28	16
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	27	suppressed
Lactulose	Lactulose	27	17
Levetiracetam	Levetiracetam	27	suppressed
Ondansetron Hcl	Ondansetron Hcl	27	13
Fentanyl	Fentanyl	26	suppressed
Naproxen	Naproxen	26	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	26	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	25	suppressed
Azelastine Hcl	Azelastine Hcl	25	12
Janumet	Sitagliptin Phos/Metformin Hcl	25	suppressed
Cefdinir	Cefdinir	24	24
Ondansetron Odt	Ondansetron	24	suppressed
Clonidine Hcl	Clonidine Hcl	23	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	23	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	23	suppressed
Paroxetine Hcl	Paroxetine Hcl	23	suppressed
Rizatriptan	Rizatriptan Benzoate	23	suppressed
Finasteride	Finasteride	22	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	22	suppressed
Symbicort	Budesonide/Formoterol Fumarate	22	suppressed
Prednisone	Prednisone	21	17
Diclofenac Sodium	Diclofenac Sodium	20	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	20	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	20	18
Spironolactone	Spironolactone	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Clobetasol Propionate	Clobetasol Propionate	19	suppressed
Nystatin	Nystatin	19	13
Baclofen	Baclofen	18	suppressed
Memantine Hcl	Memantine Hcl	18	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	18	suppressed
Sucralfate	Sucralfate	17	suppressed
Bupropion Hcl	Bupropion Hcl	16	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	16	suppressed
Hydrocortisone	Hydrocortisone	15	11
Morphine Sulfate Er	Morphine Sulfate	15	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Topiramate	Topiramate	14	suppressed
Acarbose	Acarbose	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Fluconazole	Fluconazole	13	13
Gemfibrozil	Gemfibrozil	13	suppressed
Amiodarone Hcl	Amiodarone Hcl	12	suppressed
Dexlansoprazole Dr	Dexlansoprazole	12	suppressed
Fenofibrate	Fenofibrate,micronized	12	suppressed
Irbesartan	Irbesartan	12	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Trulicity	Dulaglutide	12	suppressed
Xarelto	Rivaroxaban	12	suppressed
Doxepin Hcl	Doxepin Hcl	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Glipizide	Glipizide	11	suppressed
Lacosamide	Lacosamide	11	suppressed
Tradjenta	Linagliptin	11	suppressed
Ventolin Hfa	Albuterol Sulfate	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