Registry data as of Aug 27, 2026

Sara Karpuk, PA-C

Physician Assistant · Sioux City, IA

Sara Karpuk, PA-C is a physician assistant with a practice address in Sioux City, Iowa, and NPI 1558593848, issued on Aug 20, 2009. Check the license (Iowa 075486, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558593848
Name
Sara Karpuk
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
075486 IA
PA.0003505 CO
PA9105082 FL
Self-reported in NPPES; status is on the state search
Practice location
801 5TH St, Sioux City, IA 51101
Phone
(712) 279-2950
Enumerated
Aug 20, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 801 5TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ahmed AbdulrahmanHospitalist Physician1972252856
  2. Monsurat AdelekePsychiatric/Mental Health Nurse Practitioner1669308433
  3. Ali Aljuhani, LMSWSocial Worker1366918062
  4. Ashley Anderson, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881499242
  5. Peter Anderson, M.D.Internal Medicine Physician1114967858
  6. Sydney Backstrom, PHARMDPharmacist1407713357

Verify Sara Karpuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 075486
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

35% more Medicare Part D claims than the average physician assistant in 2024

1,120 Medicare Part D claims for 191 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Sara Karpuk1,120
  2. Specialty average832

Most prescribed

  1. Levothyroxine Sodium104 claims
  2. Farxiga94 claims
  3. Glipizide Er89 claims
  4. Tresiba Flextouch U-10073 claims
  5. Ozempic65 claims
  6. Metformin Hcl58 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $263.69

9 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 61,144 providers of this specialty with any payment received $853.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sara Karpuk$263.69
  2. Specialty average$853.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Northwest Iowa Hospital CorporationSioux City, IA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

28 physician assistant records list a Sioux City practice address

They are 28 of the 1,486 NPPES records with a Sioux City practice address, and 1,416 physician assistant records in Iowa.

Other physician assistant records in Iowa

  1. Fady AbawiDavenport, IA1861379224
  2. Steven AbdoCoralville, IA1780375576
  3. Leah Abebe, PACouncil Bluffs, IA1053941591
  4. Timothy Ackarman, PAForest City, IA1447368170
  5. Parker Acree, PA-CIowa City, IA1760251540
  6. Grace Adam, PA-CIowa City, IA1962150227
  7. Grace Adsem, PA-CAnkeny, IA1487456653
  8. Alexis Ahlberg, PA-CCedar Rapids, IA1396330288
  9. Madisen Ahlstrom, PA-CDavenport, IA1255021770
  10. Karen Ajram, PAIowa City, IA1598754442

Common questions

What is Sara Karpuk, PA-C's NPI number?

Sara Karpuk, PA-C's National Provider Identifier (NPI) is 1558593848, issued on Aug 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Sara Karpuk, PA-C located?

The NPPES record lists a practice address at 801 5TH St, Sioux City, IA, 51101. Phone: (712) 279-2950. Providers update this record themselves, so call before visiting.

How can I verify Sara Karpuk, PA-C's license?

NPPES lists Iowa license number 075486, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Sara Karpuk, PA-C prescribe under Medicare Part D?

In 2024, Sara Karpuk, PA-C had 1,120 Medicare Part D claims for 191 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.