Sara Karpuk, PA-C
NPI 1558593848 · Physician Assistant · Sioux City, IA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Karpuk, PA-C is a Physician Assistant provider in Sioux City, IA (NPI 1558593848).
Provider details
- NPI number
- 1558593848
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA9105082 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
488 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 228 | $99 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 116 | $27 |
| Hemoglobin A1c Level83036 | 78 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 34 | $141 |
| 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 | 18 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 104 | 48 |
| Dapagliflozin Propanediolbrand: Farxiga | 94 | 22 |
| Glipizidebrand: Glipizide Er | 89 | 24 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 73 | 28 |
| Semaglutidebrand: Ozempic | 65 | 16 |
| Metformin Hcl | 58 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$264 across 9 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
- 2009-08-20
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Sara Karpuk's NPI number?
- Sara Karpuk's National Provider Identifier (NPI) is 1558593848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Karpuk's specialty?
- Sara Karpuk is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sara Karpuk located?
- Sara Karpuk's practice location on file with NPPES is 801 5th St, Sioux City, IA 51101-1326.
- What is Sara Karpuk's phone number?
- The practice phone number listed in the NPPES registry for Sara Karpuk is (712) 279-2950.
- Does Sara Karpuk accept Medicare?
- Sara Karpuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Karpuk's NPI active?
- Yes — Sara Karpuk's NPI (1558593848) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.