NPPES file of Aug 9, 2026

Zachary Kwasnicka, D.O.

Internal Medicine Physician · Warren, OH

Zachary Kwasnicka, D.O. is an internal medicine physician with a practice address in Warren, Ohio, and NPI 1144684945, issued on Apr 7, 2016. Check the license (Ohio 58.00741, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144684945
Name
Zachary Kwasnicka
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
58.00741 OH
Self-reported in NPPES; status is on the state search
Practice location
1296 Tod PL NW, Warren, OH 44485
Phone
(330) 841-4643
Enumerated
Apr 7, 2016
Record last updated
Mar 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220804001772); accepts Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1296 Tod PL NW

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

  1. Nicholas Cardinal, DOEmergency Medicine Physician1861479883
  2. Kiteria Finlayson, DOFamily Medicine Physician1346793338
  3. Michael Gibbons, MDEmergency Medicine Physician1215126925
  4. Bogdan Irimies, DOEmergency Medicine Physician1851378806
  5. Jill Kistler, ATCAthletic Trainer1093815748
  6. Dustin Nesheim, D.O.Emergency Medicine Physician1427403435

Verify Zachary Kwasnicka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 58.00741
    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
Open the Ohio 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.

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

331 Medicare Part D claims for 136 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Zachary Kwasnicka331
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium65 claims
  2. Gavilyte-G49 claims
  3. Omeprazole36 claims
  4. Linzess31 claims
  5. Colestipol Hcl30 claims
  6. Mesalamine17 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.

The MIPS final score for 2023 (Medicare payment program): 90.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,000.01

58 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Kwasnicka$1,000.01
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. University Primary Care Practices IncConneaut, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary Kwasnicka among 5,277 internal medicine physician records in Ohio

Zachary Kwasnicka, D.O. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2016 · median 2006 among the 3,414 with a school on file
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 internal medicine physician records list a practice address in Warren

They are 39 of the 2,090 NPPES records with a practice address in Warren, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Aron Blecher, M.D.Warren, OH 444851295716249
  2. Anna Citino, MDWarren, OH 444851679721203
  3. Mona Parikh, MDWarren, OH 444851134426224
  4. Ankit Amin, M.D.Warren, OH 444841659727162
  5. Robert Bisel, DOWarren, OH 444841831150242
  6. Keith Black, DOWarren, OH 444841033495890
  7. Christopher Hebert, M.D.Warren, OH 444841669430047
  8. Ismail Husain, DOWarren, OH 444841497115059

Common questions

What is Zachary Kwasnicka, D.O.'s NPI number?

Zachary Kwasnicka, D.O.'s National Provider Identifier (NPI) is 1144684945, issued on Apr 7, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Kwasnicka, D.O. located?

The NPPES record lists a practice address at 1296 Tod PL NW, Warren, OH, 44485. Phone: (330) 841-4643. Providers update this record themselves, so call before visiting.

How can I verify Zachary Kwasnicka, D.O.'s license?

NPPES lists Ohio license number 58.00741, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zachary Kwasnicka, D.O. prescribe under Medicare Part D?

In 2024, Zachary Kwasnicka, D.O. had 331 Medicare Part D claims for 136 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Zachary Kwasnicka, D.O.'s MIPS final score?

The 2023 MIPS final score is 90.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.