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.
- 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
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 1296 Tod PL NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary Kwasnicka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 58.00741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Pantoprazole Sodium65 claims
- Gavilyte-G49 claims
- Omeprazole36 claims
- Linzess31 claims
- Colestipol Hcl30 claims
- 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.
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.
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
- 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.
All 5,277 in Ohio → Every provider in Warren → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aron Blecher, M.D.Warren, OH 444851295716249
- Anna Citino, MDWarren, OH 444851679721203
- Mona Parikh, MDWarren, OH 444851134426224
- Ankit Amin, M.D.Warren, OH 444841659727162
- Robert Bisel, DOWarren, OH 444841831150242
- Keith Black, DOWarren, OH 444841033495890
- Christopher Hebert, M.D.Warren, OH 444841669430047
- 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.