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

Dr. Jeffrey Kenneth Klingenstein, MD

Individual provider Internal Medicine Physician · NPI 1215948310

Dr. Jeffrey Kenneth Klingenstein, MD is a Gastroenterology in Astoria, New York. Graduated from Boston University School of Medicine in 1975, 51 years ago. Practices with Greater New York Gastroenterology LLP, a 5-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
51
Trained at
Boston University School of Medicine
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2325 31st St Ste 500
Astoria, NY 11105-2299
Phone: (718) 626-2337
Fax: (718) 626-7655
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 134287 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 134287 (NY)

Record details

NPI number1215948310
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESAugust 26, 2019
Mailing address2325 31st St Ste 500, Astoria, NY 11105-2299

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice Greater New York Gastroenterology Llp — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Astoria