Samuel Dvorak, MD
NPI 1841557345 · Family Medicine Physician · Carroll, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Dvorak, MD is a Family Medicine Physician provider in Carroll, IA (NPI 1841557345).
Provider details
- NPI number
- 1841557345
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P7903 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,497 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 518 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 395 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 294 | $15 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 249 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 201 | $13 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 329 | 80 |
| Levothyroxine Sodium | 311 | 58 |
| Amlodipine Besylate | 241 | 58 |
| Lisinopril | 200 | 45 |
| Losartan Potassium | 157 | 37 |
| Metoprolol Succinate | 143 | 31 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-20
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is Samuel Dvorak's NPI number?
- Samuel Dvorak's National Provider Identifier (NPI) is 1841557345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Dvorak's specialty?
- Samuel Dvorak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Dvorak located?
- Samuel Dvorak's practice location on file with NPPES is 1214 South Grant Road, Carroll, IA 51401.
- What is Samuel Dvorak's phone number?
- The practice phone number listed in the NPPES registry for Samuel Dvorak is (712) 792-1500.
- Does Samuel Dvorak accept Medicare?
- Samuel Dvorak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Dvorak's NPI active?
- Yes — Samuel Dvorak's NPI (1841557345) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.