Healthcare provider profile · identity verified

Carmen Danielle Herring, CRNP

Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family · HUNTSVILLE, AL · NPI 1700236908

Profile state: payments and partd 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

CMS Open Payments records show Carmen Danielle Herring, CRNP received $892.93 in general payments during 2025 across 46 reported records.

Sumitomo Pharma America, Inc. accounted for 44.3% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 12 associated products.

Astellas Pharma US Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Myrbetriq as an associated drug or biological on 16 records involving 16 distinct recipient NPIs. Public Medicare Part D data also shows 17 claims for Myrbetriq by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$892.93

46 reported records · 10 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Sumitomo Pharma America, Inc. Unresolved — no canonical attribution shown $395.1744.3%202025
Ferring Pharmaceuticals Inc. Unresolved — no canonical attribution shown $145.0316.2%82025
Janssen Biotech, Inc. Unresolved — no canonical attribution shown $112.6012.6%62025
TOLMAR, INC. Unresolved — no canonical attribution shown $68.747.7%32025
Astellas Pharma US Inc Unresolved — no canonical attribution shown $66.227.4%32025
Boston Scientific Corporation Unresolved — no canonical attribution shown $32.893.7%22025
Endo USA, Inc. Unresolved — no canonical attribution shown $21.672.4%12025
Bayer Healthcare Pharmaceuticals Inc. Unresolved — no canonical attribution shown $20.992.4%12025
Procept Biorobotics Corporation Unresolved — no canonical attribution shown $15.451.7%12025
Laborie Medical Technologies Corp. Unresolved — no canonical attribution shown $14.171.6%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$892.9346

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
GEMTESA
Normalized: gemtesa
Drug Sumitomo Pharma America, Inc. $357.93 18 2025
Source payment records
ADSTILADRIN
Normalized: adstiladrin
Biological Ferring Pharmaceuticals Inc. $145.03 8 2025
Source payment records
ERLEADA
Normalized: erleada
Drug Janssen Biotech, Inc. $112.60 6 2025
Source payment records
ELIGARD
Normalized: eligard
Drug TOLMAR, INC. $68.74 3 2025
Source payment records
JATENZO
Normalized: jatenzo
Drug TOLMAR, INC. $68.74 3 2025
Source payment records
Xtandi
Normalized: xtandi
Drug Astellas Pharma US Inc $66.22 3 2025
Source payment records
ORGOVYX
Normalized: orgovyx
Drug Sumitomo Pharma America, Inc. $37.24 2 2025
Source payment records
Axonics
Normalized: axonics
Device Boston Scientific Corporation $32.89 2 2025
Source payment records
XIAFLEX
Normalized: xiaflex
Biological Endo USA, Inc. $21.67 1 2025
Source payment records
Nubeqa
Normalized: nubeqa
Drug Bayer Healthcare Pharmaceuticals Inc. $20.99 1 2025
Source payment records
AQUABEAM ROBOTIC SYSTEM
Normalized: aquabeam robotic system
Device Procept Biorobotics Corporation $15.45 1 2025
Source payment records
Optilume BPH Drug Coated Balloon Catheter
Normalized: optilume bph drug coated balloon catheter
Device Laborie Medical Technologies Corp. $14.17 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Astellas Pharma US Inc
Exact reporting entity; no affiliate inference
2025 Myrbetriq
open payments reported associated product
CMS Open Payments — General Payments
16 supporting records · 16 recipient NPIs · example record 1238599014
Myrbetriq · 2024
Exact normalized brand match · 1 Part D row
17 16

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
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav8279
MethylprednisoloneMethylprednisolone7066
CefdinirCefdinir5854
AzithromycinAzithromycin4847
Doxycycline HyclateDoxycycline Hyclate3735
Tamsulosin HclTamsulosin Hcl3636
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3331
FinasterideFinasteride2423
PaxlovidNirmatrelvir/Ritonavir2020
Albuterol Sulfate HfaAlbuterol Sulfate18suppressed
CephalexinCephalexin1817
MyrbetriqMirabegron1716
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1717
MupirocinMupirocin1616
Cyclobenzaprine HclCyclobenzaprine Hcl1313
Metformin HclMetformin Hcl13suppressed
Ciprofloxacin HclCiprofloxacin Hcl1111
MeloxicamMeloxicam11suppressed

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 $892.93 · 46 records Sumitomo Pharma America, Inc. ADSTILADRIN, AQUABEAM ROBOTIC SYSTEM, Axonics, ELIGARD, ERLEADA, GEMTESA, JATENZO, Nubeqa, ORGOVYX, Optilume BPH Drug Coated Balloon Catheter, XIAFLEX, Xtandi 1
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