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

Dr. Jacob Walfish, MD

Individual provider Gastroenterology Physician · NPI 1194763011

Dr. Jacob Walfish, MD is a Gastroenterology in New York, New York. Graduated from Harvard Medical School in 1974, 52 years ago. Practices with New York University, a 5,884-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
52
Trained at
Harvard Medical School
Licensed in
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.

See every abbreviation used in this directory →

Practice location Address checks out

171 Delancey St
New York, NY 10002-3411
Phone: (929) 455-2600
Fax: (929) 455-2601
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 124862 (NY)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 124862 (NY)

Record details

NPI number1194763011
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2006
Last updated in NPPESJuly 27, 2025
Certification dateJuly 27, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1974 (52 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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