DR. LYNN H RATNER M.D.
NPI 1891749255
Internal Medicine - Hematology & Oncology in New York, NY

Active since May 20, 2006
112 E 83RD ST, NEW YORK, NY 10028(212) 396-0400(212) 396-9800 Get Directions Write a Review

NPPES record last updated: April 8, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Lynn H Ratner M.d. NPPES

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

DR. LYNN H RATNER M.D. (NPI 1891749255) is an individual hematology & oncology provider in New York, New York, licensed in New York (094845) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1891749255
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. LYNN H RATNERCredential: M.D.
Location Address112 E 83RD STNew York, NY 10028-0880
Mailing Address112 E 83rd StNew York, NY 10028-0880 · (212) 396-0400 · Fax (212) 396-9800
Fax(212) 396-9800
Sole ProprietorYes
Enumeration DateMay 20, 2006
Last NPPES UpdateApril 8, 2019
NPI 1891749255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in NY · 094845
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
112 E 83RD ST, New York, NY 10028

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

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

Dentist (Pediatric Dentistry)
112 E 83RD ST
NEW YORK, NY 10028
Specialist
112 E 83RD ST
NEW YORK, NY 10028
Specialist
112 E 83RD ST
NEW YORK, NY 10028

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 Lynn Ratner's NPI number?

The NPI number for Lynn Ratner is 1891749255. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Lynn Ratner located?

Lynn Ratner practices at 112 E 83rd St, New York, NY 10028. The listed phone number is (212) 396-0400.

What is Lynn Ratner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Lynn Ratner was last updated on April 8, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.