Erin Herndon, M.D.
NPI 1942294483 · Internal Medicine Physician · Clinton, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Herndon, M.D. is a Internal Medicine Physician provider in Clinton, IA (NPI 1942294483).
Provider details
- NPI number
- 1942294483
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 24246 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 232 | 98 |
| Metformin Hcl | 191 | 70 |
| Amlodipine Besylate | 191 | 78 |
| Losartan Potassium | 157 | 65 |
| Omeprazole | 155 | 65 |
| Tramadol Hcl | 101 | 44 |
| Benazepril Hcl | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-09
- Last updated
- 2015-04-29
Frequently asked questions
- What is Erin Herndon's NPI number?
- Erin Herndon's National Provider Identifier (NPI) is 1942294483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Herndon's specialty?
- Erin Herndon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Herndon located?
- Erin Herndon's practice location on file with NPPES is 221 Main Ave, Clinton, IA 52732-2241.
- What is Erin Herndon's phone number?
- The practice phone number listed in the NPPES registry for Erin Herndon is (563) 242-7522.
- Does Erin Herndon accept Medicare?
- Erin Herndon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Herndon's NPI active?
- Yes — Erin Herndon's NPI (1942294483) is active in the NPPES registry as of the last update on 2015-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.