DR. LEO ANTHONY NIEMEIER MD
NPI 1033328919
Pathology - Anatomic Pathology in Columbus, OH

Q: What is Leo Niemeier's NPI number?

The NPI number for Leo Niemeier is 1033328919. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Q: What is Leo Niemeier's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Q: When was this NPI record last updated?

The NPPES record for Leo Niemeier was last updated on December 9, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 21, 2007PECOS EnrolledAccepts Medicare Assignment

80.13/100

CMS Quality Rating

3535 OLENTANGY RIVER RD, RMH PATHOLOGY DEPT - CORPATH, COLUMBUS, OH 43214(614) 566-4945(614) 263-1056 Get Directions Write a Review

NPPES record last updated: December 9, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Leo Anthony Niemeier Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEO ANTHONY NIEMEIER MD (NPI 1033328919) is an individual anatomic pathology provider in Columbus, Ohio, licensed in Ohio (35095314) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Inc, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1033328919

Entity TypeIndividualMale

Primary Taxonomy207ZP0101X

Provider Legal NameDR. LEO ANTHONY NIEMEIERCredential: MD

Location Address3535 OLENTANGY RIVER RD, RMH PATHOLOGY DEPT - CORPATHColumbus, OH 43214-3908

Mailing AddressPo Box 20452, Corpath CredColumbus, OH 43220-0452 · (614) 257-9010 · Fax (614) 442-2410

Phone(614) 566-4945

Fax(614) 263-1056

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateMay 21, 2007

Last NPPES UpdateDecember 9, 2022

NPPES CertifiedDecember 9, 2022

✔ NPI 1033328919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0101X

License✔ Licensed in OH · 35095314

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

3535 OLENTANGY RIVER RD, Columbus, OH 43214

Open in Google Maps ↗

Other Identifiers 3

OtherUSE SSN-00OH · Ohio Bwc

Medicaid3046868OH

OtherP00854675OH · Rr Mcr

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Leo Anthony Niemeier Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032240031

PECOS Enrollment IDI20100707000436, I20220509001532

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

1,293 services710 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

410 services105 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

213 services150 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

183 services105 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

104 services34 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

92 services87 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

74 services58 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

34 services27 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

28 services26 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

26 services23 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

26 services25 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

24 services22 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

22 services16 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

17 services16 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

13 services11 patients

Examination of archival tissue for genetic analysis 88363

Examination of archival tissue for genetic analysis involves studying previously collected tissue samples. This process helps detect any genetic alterations that may be linked to certain diseases. It's a crucial step in understanding your health and planning appropriate treatments.

13 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Union Hospital Inc

Acute Care Hospitals · Terre Haute, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150023

Location1606 N Seventh StTerre Haute, IN 47804 · Vigo County

Emergency services Birthing friendly

Margaret Mary Community Hospital Inc

Critical Access Hospitals · Batesville, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number151329

Location321 Mitchell AveBatesville, IN 47006 · Franklin County

Emergency services

University Of Cincinnati Medical Center, LLC

Acute Care Hospitals · Cincinnati, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360003

Location3188 Bellevue AvenueCincinnati, OH 45219 · Hamilton County

Emergency services Birthing friendly

The Jewish Hospital-Mercy Health

Acute Care Hospitals · Cincinnati, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360016

Location4777 East Galbraith RoadCincinnati, OH 45236 · Hamilton County

Emergency services

Christ Hospital

Acute Care Hospitals · Cincinnati, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360163

Location2139 Auburn AvenueCincinnati, OH 45219 · Hamilton County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.13/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.63

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT BRIGDEN HALPIN D.O.

Obstetrics & Gynecology (Maternal & Fetal Medicine)

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 566-4378

PAYTON JOY

Physician Assistant

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 566-5000

BRENNON PINION DNP, CRNA

Nurse Anesthetist, Certified Registered

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 566-5000

CATHERINE LEE PELFREY PA-C

Physician Assistant

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 566-5000

NICHOLAS T WONGCHAOWART M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

3535 OLENTANGY RIVER RD, RMH PATHOLOGY DEPT
COLUMBUS, OH 43214

Franklin County (614) 566-4945

LISA CHRISTINE NOVAK CRNA

Nurse Anesthetist, Certified Registered

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 566-4919

KAITLYN N NEWKIRK CRNA

Nurse Anesthetist, Certified Registered

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 566-4919

RIVERSIDE METHODIST HOSPITAL

Medicare Defined Swing Bed Unit

3535 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 322-3202

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leo Niemeier's NPI number?

The NPI number for Leo Niemeier is 1033328919. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is Leo Niemeier located?

Leo Niemeier practices at 3535 Olentangy River Rd Rmh Pathology Dept - Corpath, Columbus, OH 43214. The listed phone number is (614) 566-4945.

What is Leo Niemeier's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Leo Niemeier enrolled in Medicare?

Yes. Leo Niemeier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Leo Niemeier accept?

Health plans from CareSource list Leo Niemeier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Leo Niemeier affiliated with any hospitals?

According to CMS data, Leo Niemeier is affiliated with Union Hospital Inc, Margaret Mary Community Hospital Inc, University Of Cincinnati Medical Center, LLC, The Jewish Hospital-Mercy Health and Christ Hospital.

When was this NPI record last updated?

The NPPES record for Leo Niemeier was last updated on December 9, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.