Doctor profile · Federal record

Dr. Steven Sieber, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Danbury, CT

  • NPI 1942224043
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Hospital Ave
Danbury, CT 068106099
(203) 797-7306

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Connecticut #032037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942224043. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,064
Distinct HCPCS
10
Medicare allowed
$82,229
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,104 435 $39
88305 Pathology examination of tissue using a microscope, intermediate complexity 242 131 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 168 43 $29
88307 Pathology examination of tissue using a microscope, moderately high complexity 85 55 $86
88112 Cell examination of specimen, selective cellular enhancement technique 72 63 $29
88173 Evaluation of fine needle aspirate with interpretation and report 66 41 $73
88304 Pathology examination of tissue using a microscope, moderately low complexity 57 44 $12
88112 Cell examination of specimen, selective cellular enhancement technique 56 53 $29
88342 Special stained specimen slides to examine tissue, initial procedure 56 49 $36
88331 Pathology examination of specimen during surgery, first tissue block 27 17 $64

In context: peer comparison

Among 2 peers in Danbury Anatomic Pathology & Clinical Pathology Physician, average services per provider: 111. This provider delivers 19× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Sieber's medical specialty?
Dr. Steven Sieber practices Anatomic Pathology & Clinical Pathology Physician in Danbury, CT.
Where does Dr. Steven Sieber practice?
Dr. Steven Sieber practices at 24 Hospital Ave, Danbury, CT 068106099. Office phone: 2037977306.
What is Dr. Steven Sieber's NPI?
Dr. Steven Sieber's National Provider Identifier (NPI) is 1942224043, issued by NPPES.
Does Dr. Steven Sieber accept Medicare assignment?
Yes. Dr. Steven Sieber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Sieber commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.