Robert Weis, M.D.
NPI 1205813912 · Internal Medicine Physician · Muscatine, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Weis, M.D. is a Internal Medicine Physician provider in Muscatine, IA (NPI 1205813912).
Provider details
- NPI number
- 1205813912
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22517 (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
20 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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 189 | 54 |
| Levothyroxine Sodium | 88 | 23 |
| Lisinopril | 72 | 22 |
| Hydrochlorothiazide | 67 | 18 |
| Metoprolol Succinate | 56 | 16 |
| Losartan Potassium | 55 | 15 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-23
- Last updated
- 2013-04-23
Frequently asked questions
- What is Robert Weis's NPI number?
- Robert Weis's National Provider Identifier (NPI) is 1205813912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Weis's specialty?
- Robert Weis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Weis located?
- Robert Weis's practice location on file with NPPES is 1518 Mulberry Ave, Muscatine, IA 52761-3433.
- What is Robert Weis's phone number?
- The practice phone number listed in the NPPES registry for Robert Weis is (563) 262-4111.
- Does Robert Weis accept Medicare?
- Robert Weis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Weis's NPI active?
- Yes — Robert Weis's NPI (1205813912) is active in the NPPES registry as of the last update on 2013-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.