Steven Sieber, M.D.
Anatomic Pathology & Clinical Pathology Physician · Danbury, CT
Steven Sieber, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Danbury, Connecticut, and NPI 1942224043, issued on Jul 26, 2006. Check the license (Connecticut 032037, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Steven Sieber
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 032037 CT
Self-reported in NPPES; status is on the state search - Practice location
- 24 Hospital Ave, Danbury, CT 06810
- Phone
- (203) 797-7306
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100702000196); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 212 in Connecticut → Look up another NPI →
Also registered at 24 Hospital Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline AddonaStudent in an Organized Health Care Education/Training Program1669232443
- Fernando Afonso, M.D.Internal Medicine Physician1992980536
- Alka Aggarwal, MDInternal Medicine Physician1427041987
- Mohamed Ahmed, M.D.Internal Medicine Physician1235391756
- Syed Rakin Ahmed, MD, PHDStudent in an Organized Health Care Education/Training Program1518809870
- Gregory Albert, MDAnesthesiology Physician1588797930
Verify Steven Sieber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 032037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Nuvance Health Medical Practice CT IncDanbury, CT
- Nuvance Health Medical Practice PCSharon, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Sieber among 212 anatomic pathology & clinical pathology physician records in Connecticut
Steven Sieber, M.D. is one of 212 anatomic pathology & clinical pathology physician records with a practice address in Connecticut. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 49% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 1999 among the 132 with a school on file
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Connecticut
There are 212 anatomic pathology & clinical pathology physician records in Connecticut.
All 212 in Connecticut → Every provider in Danbury → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Frank Braza, M.D.Danbury, CT 068101851351860
- Beatriz Cuello, M.D.Danbury, CT 068101932120623
- Jessica Dodge, M.D.Danbury, CT 068101134176522
- Hani El Fanek, M.D.Danbury, CT 068101558382267
- Marcelo Ferreira Cassini, M.D., PH.D.Danbury, CT 068101154813947
- Gunjan Gupta, MD, PHDDanbury, CT 068101821238676
- Nataliya Sostin, MDDanbury, CT 068101487049540
- Jeffrey West, M.D.Danbury, CT 068101982628095
Common questions
What is Steven Sieber, M.D.'s NPI number?
Steven Sieber, M.D.'s National Provider Identifier (NPI) is 1942224043, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Sieber, M.D. located?
The NPPES record lists a practice address at 24 Hospital Ave, Danbury, CT, 06810. Phone: (203) 797-7306. Providers update this record themselves, so call before visiting.
How can I verify Steven Sieber, M.D.'s license?
NPPES lists Connecticut license number 032037, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Steven Sieber, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 of 100. 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.