Nicholas Henry Fiebach, M.D.
Internal Medicine Physician · Stamford, CT
Nicholas Henry Fiebach, M.D. is an internal medicine physician with a practice address in Stamford, Connecticut, and NPI 1679669675, issued on Oct 5, 2006. Check the license (Connecticut 28139, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas Henry Fiebach
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 28139 CT
154404 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Plz, Stamford, CT 06902
- Phone
- (203) 276-7485
- Enumerated
- Oct 5, 2006
- Record last updated
- Jan 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (203) 276-7368
- Medicaid ID
- 02490095 NY
- Medicare enrollment
- Enrolled (PECOS I20190125002659); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 1 Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seun Adeyemi-Jones, M.D.Internal Medicine Physician1811335821
- Mathias Aihiokhai, PA-CPhysician Assistant1003270497
- Kiana AkhundzadehStudent in an Organized Health Care Education/Training Program1558115584
- Rachael AldermanStudent in an Organized Health Care Education/Training Program1912891318
- Kelsey AllenMedical Physician Assistant1326774282
- Micah Ambrose, DOEmergency Medicine Physician1962999482
Verify Nicholas Henry Fiebach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 28139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Optimus Health Care IncBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Henry Fiebach among 2,623 internal medicine physician records in Connecticut
Nicholas Henry Fiebach, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1980 · median 2004 among the 1,646 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
131 internal medicine physician records list a practice address in Stamford
They are 131 of the 2,774 NPPES records with a practice address in Stamford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Stamford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Burton Benjamin, M.D.Stamford, CT 069021891756474
- Celeste Cox-Baldwin, MDStamford, CT 069021922009588
- Kristin EdwardsStamford, CT 069021346203213
- John Fitzgibbons, M.D.Stamford, CT 069021255378949
- Laurie Gordon, MDStamford, CT 069021174635759
- Scott Gottlieb, MDStamford, CT 069021992713036
- Radhika Jasthi, MDStamford, CT 069021457369944
- Maher Madhoun, MDStamford, CT 069021790731768
Common questions
What is Nicholas Henry Fiebach, M.D.'s NPI number?
Nicholas Henry Fiebach, M.D.'s National Provider Identifier (NPI) is 1679669675, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Henry Fiebach, M.D. located?
The NPPES record lists a practice address at 1 Hospital Plz, Stamford, CT, 06902. Phone: (203) 276-7485. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Henry Fiebach, M.D.'s license?
NPPES lists Connecticut license number 28139, 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.
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.