Nicholas Fiebach, M.D.
NPI 1679669675 · Internal Medicine Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Fiebach, M.D. is a Internal Medicine Physician provider in Stamford, CT (NPI 1679669675).
Provider details
- NPI number
- 1679669675
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 154404 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2019-01-17
Frequently asked questions
- What is Nicholas Fiebach's NPI number?
- Nicholas Fiebach's National Provider Identifier (NPI) is 1679669675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Fiebach's specialty?
- Nicholas Fiebach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Fiebach located?
- Nicholas Fiebach's practice location on file with NPPES is 1 Hospital Plz, Stamford, CT 06902-3602.
- What is Nicholas Fiebach's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Fiebach is (203) 276-7485.
- Does Nicholas Fiebach accept Medicare?
- Nicholas Fiebach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Fiebach's NPI active?
- Yes — Nicholas Fiebach's NPI (1679669675) is active in the NPPES registry as of the last update on 2019-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.