Madalyn Walsh, MD
NPI 1659949667 · Internal Medicine Physician · Iowa City, IA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madalyn Walsh, MD is a Internal Medicine Physician provider in Iowa City, IA (NPI 1659949667).
Provider details
- NPI number
- 1659949667
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- R-12235 (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
5 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 21 |
| Levothyroxine Sodium | 19 |
| Methotrexate Sodiumbrand: Methotrexate | 17 |
| Metoprolol Succinate | 17 |
| Pantoprazole Sodium | 15 |
| Amlodipine Besylate | 14 |
| Bupropion Hclbrand: Bupropion Xl | 12 |
| Chlorthalidone | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-15
- Last updated
- 2021-06-15
- Certified
- 2021-06-15
Frequently asked questions
- What is Madalyn Walsh's NPI number?
- Madalyn Walsh's National Provider Identifier (NPI) is 1659949667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madalyn Walsh's specialty?
- Madalyn Walsh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Madalyn Walsh located?
- Madalyn Walsh's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Madalyn Walsh's phone number?
- The practice phone number listed in the NPPES registry for Madalyn Walsh is (319) 358-2034.
- Does Madalyn Walsh accept Medicare?
- Madalyn Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madalyn Walsh's NPI active?
- Yes — Madalyn Walsh's NPI (1659949667) is active in the NPPES registry as of the last update on 2021-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.