Doctor profile · Federal record

Dr. Theodore Niemann, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Cytopathology Physician · Columbus, OH

  • NPI 1770577694
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
793 W State St, Mt Carmel West Hospital Pathology Dept
Columbus, OH 432221551
(614) 234-1300
fax (614) 234-2931
Mailing address
Po Box 20452, Copa-Cred
Columbus, OH 432200452

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
May 2, 2013
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Ohio #35066598
Medicaid (2)
OH #0989597 · OH #0713197

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770577694. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,595
Distinct HCPCS
10
Medicare allowed
$57,760
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 674 413 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 349 89 $27
88342 Special stained specimen slides to examine tissue, initial procedure 118 104 $33
88360 Microscopic genetic analysis of tumor, manual 99 30 $39
88307 Pathology examination of tissue using a microscope, moderately high complexity 95 67 $78
88112 Cell examination of specimen, selective cellular enhancement technique 76 65 $26
88304 Pathology examination of tissue using a microscope, moderately low complexity 67 64 $11
88331 Pathology examination of specimen during surgery, first tissue block 30 21 $59
88104 Cell examination of body fluid, smears 22 22 $26
88309 Pathology examination of tissue using a microscope, high complexity 20 20 $137

In context: peer comparison

Among 40 peers in Columbus Anatomic Pathology & Clinical Pathology Physician, average services per provider: 168. This provider delivers 9.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Theodore Niemann's medical specialty?
Dr. Theodore Niemann practices Anatomic Pathology & Clinical Pathology Physician in Columbus, OH.
Where does Dr. Theodore Niemann practice?
Dr. Theodore Niemann practices at 793 W State St, Columbus, OH 432221551. Office phone: 6142341300.
What is Dr. Theodore Niemann's NPI?
Dr. Theodore Niemann's National Provider Identifier (NPI) is 1770577694, issued by NPPES.
Does Dr. Theodore Niemann accept Medicare assignment?
Yes. Dr. Theodore Niemann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theodore Niemann commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.