NPPES file of Aug 9, 2026

Leo Anthony Niemeier, MD

Anatomic Pathology Physician · Columbus, OH

Leo Anthony Niemeier, MD is an anatomic pathology physician with a practice address in Columbus, Ohio, and NPI 1033328919, issued on May 21, 2007. Check the license (Ohio 35095314, 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
1033328919
Name
Leo Anthony Niemeier
Credential
MD
Primary taxonomy
Anatomic Pathology Physician 207ZP0101X
License number
35095314 OH
Self-reported in NPPES; status is on the state search
Practice location
3535 Olentangy River RD, Columbus, OH 43214
Phone
(614) 566-4945
Enumerated
May 21, 2007
Record last updated
Dec 9, 2022
Fax
(614) 263-1056
Medicaid ID
3046868 OH
Medicare enrollment
Enrolled (PECOS I20220509001532); accepts Medicare assignment
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 3535 Olentangy River RD

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

  1. Emad Ababneh, MBBSAnatomic Pathology & Clinical Pathology Physician1962996496
  2. Tyler Abarca, MDAnesthesiology Physician1104455435
  3. Peter Accetta, M.D.Anatomic Pathology & Clinical Pathology Physician1972504827
  4. Daniel Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1093941726
  5. James AddingtonNeurology Physician1467741082
  6. Victoria Adegboye, M.D.Anesthesiology Physician1871957282

Verify Leo Anthony Niemeier 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 35095314
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 80.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score76.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $792.00

3 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Astellas Pharma US Inc. The 382 providers of this specialty with any payment received $3,145.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leo Niemeier$792.00
  2. Specialty average$3,145.53

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. Greater Cincinnati Pathologists IncTerre Haute, IN

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

Anatomic Pathology Physician providers in Ohio

There are 95 anatomic pathology physician records in Ohio.

Other anatomic pathology physician records in Ohio

  1. Fadi Abdul-Karim, MDCleveland, OH1215961602
  2. Eman Abdulfatah, MDCincinnati, OH1386063287
  3. Daniela Allende, M.D.Cleveland, OH1942467774
  4. Sadiq Alqutub, MDCleveland, OH1770080269
  5. James Anderson, MDCleveland, OH1447279005
  6. Susan Armstrong, MD, PHDCleveland, OH1346873205
  7. Andrea Arrossi, MDCleveland, OH1538221692
  8. Sylvia Asa, MD, PHDCleveland, OH1295390185
  9. Stefanie AvrilCleveland, OH1831519149
  10. Ana Bennett, M.D.Cleveland, OH1538124235

Common questions

What is Leo Anthony Niemeier, MD's NPI number?

Leo Anthony Niemeier, MD's National Provider Identifier (NPI) is 1033328919, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Leo Anthony Niemeier, MD located?

The NPPES record lists a practice address at 3535 Olentangy River RD, Columbus, OH, 43214. Phone: (614) 566-4945. Providers update this record themselves, so call before visiting.

How can I verify Leo Anthony Niemeier, MD's license?

NPPES lists Ohio license number 35095314, 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.

What is Leo Anthony Niemeier, MD's MIPS final score?

The 2023 MIPS final score is 80.1 of 100, reported for the practice group. 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.