Registry data as of Aug 27, 2026

David Mierzwiak, MD

Emergency Medicine Physician · Oregon, OH

David Mierzwiak, MD is an emergency medicine physician with a practice address in Oregon, Ohio, and NPI 1437151115, issued on Aug 12, 2005. Check the license on the State Medical Board of Ohio; 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
1437151115
Name
David Mierzwiak
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
2801 Bay Park Dr, Oregon, OH 43616
Phone
(419) 690-7900
Enumerated
Aug 12, 2005
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 2801 Bay Park Dr

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

  1. Becky Beyer, M.S.N., C.N.S.Registered Nurse1417945239
  2. Rahul Chakravarty, M.D.Anesthesiology Physician1336339639
  3. Jessica CleggAdvanced Practice Midwife1609504935
  4. Denise Deppen, CRNACertified Registered Nurse Anesthetist1851340301
  5. Michael Devlin, M.D.Anesthesiology Physician1184627176
  6. Tracy Dickerson, CRNACertified Registered Nurse Anesthetist1942453113

Verify David Mierzwiak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of OhioCheck 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.

22% fewer Medicare Part D claims than the average emergency medicine physician in 2024

277 Medicare Part D claims for 194 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. David Mierzwiak277
  2. Specialty average355

Most prescribed

  1. Ondansetron Odt27 claims
  2. Cephalexin26 claims
  3. Prednisone24 claims
  4. Hydrocodone-Acetaminophen18 claims
  5. Sulfamethoxazole-Trimethoprim17 claims
  6. Ciprofloxacin Hcl14 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.

24 emergency medicine physician records list a Oregon practice address

They are 24 of the 519 NPPES records with a Oregon practice address, and 2,663 emergency medicine physician records in Ohio.

Other emergency medicine physician records in Ohio

  1. Alexandra Abangan, MDSpringfield, OH1508121641
  2. Brian Abbott, MDColumbus, OH1841591757
  3. Abdalla Abdalla, MDLima, OH1952046682
  4. Ali Abdallah, DOCanton, OH1134749997
  5. Anthony Abdullah, M.D.Hamilton, OH1457319386
  6. Mikhael Abourjeily, D.O.Mentor, OH1982689758
  7. Michael Abrahams, M.D.Logan, OH1487098463
  8. Arun Acharekar, MDMansfield, OH1659411544
  9. Kevin Ackley, MDCincinnati, OH1952340903
  10. Kirstin Acus, MDColumbus, OH1548823669

Common questions

What is David Mierzwiak, MD's NPI number?

David Mierzwiak, MD's National Provider Identifier (NPI) is 1437151115, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David Mierzwiak, MD located?

The NPPES record lists a practice address at 2801 Bay Park Dr, Oregon, OH, 43616. Phone: (419) 690-7900. Providers update this record themselves, so call before visiting.

How can I verify David Mierzwiak, MD's license?

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 David Mierzwiak, MD prescribe under Medicare Part D?

In 2024, David Mierzwiak, MD had 277 Medicare Part D claims for 194 beneficiaries; the average among emergency medicine physician prescribers was 355. 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.