Healthcare provider profile · identity verified

Erickson Ray Galvan, MD

Internal Medicine · CHARLESTON, SC · NPI 1437643467

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

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium20582
Amlodipine BesylateAmlodipine Besylate18075
Losartan PotassiumLosartan Potassium16160
Rosuvastatin CalciumRosuvastatin Calcium13142
Levothyroxine SodiumLevothyroxine Sodium10835
LisinoprilLisinopril9537
Trazodone HclTrazodone Hcl9027
OmeprazoleOmeprazole8122
Pantoprazole SodiumPantoprazole Sodium8134
Metformin Hcl ErMetformin Hcl7634
Metformin HclMetformin Hcl6925
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6423
Alendronate SodiumAlendronate Sodium6318
GabapentinGabapentin6030
JardianceEmpagliflozin5618
Tamsulosin HclTamsulosin Hcl5621
OzempicSemaglutide5312
SimvastatinSimvastatin5117
Albuterol Sulfate HfaAlbuterol Sulfate4930
GlipizideGlipizide4619
Metoprolol SuccinateMetoprolol Succinate4415
SpironolactoneSpironolactone3914
Hydralazine HclHydralazine Hcl38suppressed
CarvedilolCarvedilol3614
FinasterideFinasteride3514
MirtazapineMirtazapine3419
HydrochlorothiazideHydrochlorothiazide3318
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3113
Metoprolol TartrateMetoprolol Tartrate3111
Triamcinolone AcetonideTriamcinolone Acetonide3116
AtenololAtenolol3012
Humulin NInsulin Nph Human Isophane3012
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2911
Sertraline HclSertraline Hcl29suppressed
Bupropion XlBupropion Hcl27suppressed
MeloxicamMeloxicam2714
PradaxaDabigatran Etexilate Mesylate2712
PregabalinPregabalin27suppressed
ArexvyRsvpref3 Antigen/As01e/Pf2525
Potassium ChloridePotassium Chloride2411
Pravastatin SodiumPravastatin Sodium23suppressed
AlvescoCiclesonide21suppressed
MethylprednisoloneMethylprednisolone2120
Wixela InhubFluticasone Propion/Salmeterol21suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn20suppressed
KetoconazoleKetoconazole2012
LovastatinLovastatin20suppressed
Duloxetine HclDuloxetine Hcl19suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml19suppressed
AllopurinolAllopurinol18suppressed
CephalexinCephalexin18suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
IbuprofenIbuprofen17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Chlorhexidine GluconateChlorhexidine Gluconate15suppressed
Humulin N KwikpenInsulin Nph Human Isophane15suppressed
Humulin RInsulin Regular, Human15suppressed
MupirocinMupirocin15suppressed
Sure Comfort Pen NeedlePen Needle, Diabetic15suppressed
Tramadol HclTramadol Hcl15suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1413
Fluoxetine HclFluoxetine Hcl14suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml14suppressed
AcyclovirAcyclovir13suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1313
ColchicineColchicine13suppressed
FurosemideFurosemide13suppressed
Trospium ChlorideTrospium Chloride13suppressed
Victoza 2-PakLiraglutide13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1212
EzetimibeEzetimibe12suppressed
Ibandronate SodiumIbandronate Sodium12suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1212
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed

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.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

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

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
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