Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Nicholas Henry Fiebach, MD

Individual provider Internal Medicine Physician · NPI 1679669675

Dr. Nicholas Henry Fiebach, MD is an Internal Medicine in Stamford, Connecticut. Graduated from New York University School of Medicine in 1980, 46 years ago. Practices with Optimus Health Care Inc, a 77-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
46
Trained at
New York University School of Medicine
Licensed in
CT, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Hospital Plz
Stamford, CT 06902-3602
Phone: (203) 276-7485
Fax: (203) 276-7368
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 28139 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 154404 (NY)

Record details

NPI number1679669675
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESJanuary 17, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Optimus Health Care Inc — 77 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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