Dudley Thornhill, MD
NPI 1790879401 · Family Medicine Physician · Iowa City, IA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dudley Thornhill, MD is a Family Medicine Physician provider in Iowa City, IA (NPI 1790879401).
Provider details
- NPI number
- 1790879401
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35334 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 26 |
| Amlodipine Besylate | 17 |
| Levothyroxine Sodium | 17 |
| Hydrochlorothiazide | 16 |
| Lisinopril | 16 |
| Tamsulosin Hcl | 16 |
| Omeprazole | 15 |
| Metoprolol Succinate | 12 |
| Gabapentin | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dudley Thornhill's NPI number?
- Dudley Thornhill's National Provider Identifier (NPI) is 1790879401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dudley Thornhill's specialty?
- Dudley Thornhill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dudley Thornhill located?
- Dudley Thornhill's practice location on file with NPPES is 601 Highway 6, Iowa City, IA 52246.
- What is Dudley Thornhill's phone number?
- The practice phone number listed in the NPPES registry for Dudley Thornhill is (319) 338-0581.
- Does Dudley Thornhill accept Medicare?
- Dudley Thornhill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dudley Thornhill's NPI active?
- Yes — Dudley Thornhill's NPI (1790879401) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.