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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

BLAIR S. LEWIS, M.D.,P.C.
NPI 1306084892
Internal Medicine - Gastroenterology in New York, NY

Active since January 22, 2009CLIA Certified · 2 labs
1067 5TH AVE, NEW YORK, NY 10128(212) 369-6600(212) 369-8975 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Blair S. Lewis, M.d.,p.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BLAIR S. LEWIS, M.D.,P.C. (NPI 1306084892) is a healthcare organization registered as a gastroenterology in New York, New York and active in the NPI registry since January 2009. The organization holds 2 active CLIA laboratory certificates and lists Blair Seth Lewis, Owner, as its authorized official.

NPPES Registry Identity

NPI1306084892
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameBLAIR S. LEWIS, M.D.,P.C.
Location Address1067 5TH AVENew York, NY 10128-0101
Mailing Address1067 5th AveNew York, NY 10128-0101 · (212) 369-6600 · Fax (212) 369-8975
Phone(212) 369-6600
Fax(212) 369-8975
Organization SubpartNo
Authorized OfficialBlair Seth LewisOwner · (212) 369-6600
Enumeration DateJanuary 22, 2009
Last NPPES UpdateJuly 20, 2026
NPPES CertifiedJuly 20, 2026
✔ NPI 1306084892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 156442-1
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1067 5TH AVE, New York, NY 10128
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 33D2255707

Blair S Lewis MD, PC · New York, NY
Active · expires Mar 26, 2027
CLIA Number33D2255707
Laboratory TypePhysician Office
Certificate Effective DateMarch 16, 2022
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Zhiheng Pei
Laboratory Phone(212) 369-6600
Laboratory LocationBlair S Lewis MD, PC1067 5th Avenue, New York, NY 10128
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Waiver 33D1094281

Blair S Lewis MD PC · New York, NY
Active · expires Jan 14, 2027
CLIA Number33D1094281
Laboratory TypePhysician Office
Certificate Effective DateJanuary 15, 2025
Certificate Expiration DateJanuary 14, 2027
Laboratory DirectorDr. Blair S. Lewis
Laboratory Phone(212) 369-6600
Laboratory LocationBlair S Lewis MD PC1067 Fifth Ave, New York, NY 10128
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ST KILDA MEDICAL SERVICE,PLLC
Specialist
1067 5TH AVE
NEW YORK, NY 10128
New York County (212) 874-3384
DR. BLAIR SETH LEWIS M.D.
Internal Medicine (Gastroenterology)
1067 5TH AVE
NEW YORK, NY 10128
New York County (212) 369-6600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Blair S. Lewis, M.D.,p.C.'s NPI number?

The NPI number for Blair S. Lewis, M.D.,p.C. is 1306084892. It was assigned to this organization in the NPPES registry on January 22, 2009.

Where is Blair S. Lewis, M.D.,p.C. located?

Blair S. Lewis, M.D.,p.C. is located at 1067 5th Ave, New York, NY 10128. The listed phone number is (212) 369-6600.

What is Blair S. Lewis, M.D.,p.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Blair S. Lewis, M.D.,p.C. hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Blair S. Lewis, M.D.,p.C. was last updated on July 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.