Stefano Byer, MD
NPI 1164108395 · 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)
Stefano Byer, MD is a Internal Medicine Physician provider in Iowa City, IA (NPI 1164108395).
Provider details
- NPI number
- 1164108395
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R-12900 (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
3 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 25 |
| Duloxetine Hcl | 25 |
| Lisinopril | 24 |
| Apixabanbrand: Eliquis | 17 |
| Levothyroxine Sodium | 17 |
| Gabapentin | 16 |
| Pregabalin | 13 |
| Pantoprazole Sodium | 13 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$528 across 5 records (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
- 2023-06-22
- Last updated
- 2023-06-22
- Certified
- 2023-06-22
Frequently asked questions
- What is Stefano Byer's NPI number?
- Stefano Byer's National Provider Identifier (NPI) is 1164108395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stefano Byer's specialty?
- Stefano Byer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stefano Byer located?
- Stefano Byer's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Stefano Byer's phone number?
- The practice phone number listed in the NPPES registry for Stefano Byer is (319) 356-2034.
- Does Stefano Byer accept Medicare?
- Stefano Byer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stefano Byer's NPI active?
- Yes — Stefano Byer's NPI (1164108395) is active in the NPPES registry as of the last update on 2023-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.