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

Dr. Blair Seth Lewis, MD

Individual provider Gastroenterology Physician · NPI 1689765521

Dr. Blair Seth Lewis, MD is a Gastroenterology in New York, New York. Qualified in 1982, 44 years ago. Practices with Blair S Lewis MD PC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
44
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1067 5th Ave
New York, NY 10128-0101
Phone: (212) 369-6600
Fax: (212) 369-8975
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 156442-1 (NY)

Record details

NPI number1689765521
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Blair S Lewis Md Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in New York