Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RUTH KAGAN MD
NPI 1639707938
Internal Medicine - Cardiovascular Disease in New York, NY

Q: What is Ruth Kagan's NPI number?

The NPI number for Ruth Kagan is 1639707938. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Q: What is Ruth Kagan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Ruth Kagan was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 31, 2020

407 E 70TH ST, NEW YORK, NY 10021(212) 288-4200 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 20, 2026, Mar 31, 2020 (2 updates tracked since 2020).

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About Ruth Kagan Md NPPES

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

RUTH KAGAN MD (NPI 1639707938) is an individual cardiovascular disease provider in New York, New York, licensed in New York (314302) and active in the NPI registry since March 2020.

NPPES Registry Identity

NPI1639707938

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameRUTH KAGANCredential: MD

Location Address407 E 70TH STNew York, NY 10021-5327

Mailing Address407 E 70th StNew York, NY 10021-5327 · (212) 288-4200

Phone(212) 288-4200

Sole ProprietorNo

Enumeration DateMarch 31, 2020

Last NPPES UpdateJuly 20, 20262 updates tracked since enumeration

NPPES CertifiedJuly 20, 2026

✔ NPI 1639707938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in NY · 314302

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 314302 (NY)

407 E 70TH ST, New York, NY 10021

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Other Providers at the Same Location NPPES 14

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

DR. LAWRENCE ALBERT INRA M.D.

Specialist

407 E 70TH ST
NEW YORK, NY 10021

New York County (212) 249-1011

BARRY JAY HARTMAN MD

Internal Medicine (Infectious Disease)

407 E 70TH ST
NEW YORK, NY 10021

New York County (212) 744-4882

DANIEL MILES LIBBY M.D.

Internal Medicine (Pulmonary Disease)

407 E 70TH ST
NEW YORK, NY 10021

New York County (212) 628-6611

MORTON COLEMAN MD AND MARK W PASMANTIER MD LLP

Internal Medicine (Hematology & Oncology)

407 E 70TH ST, 3RD FLOOR
NEW YORK, NY 10021

New York County (212) 517-5900

DR. LAWRENCE FRANKLIN LEVIN M.D.

Specialist

407 E 70TH ST
NEW YORK, NY 10021

New York County (212) 879-3200

DR. HOOMAN YAGHOOBZADEH M.D.

Internal Medicine (Cardiovascular Disease)

407 E 70TH ST
NEW YORK, NY 10021

New York County (212) 861-3222

DR. JULIAN A DECTER MD

Internal Medicine (Hematology & Oncology)

407 E 70TH ST, 3RD FLOOR
NEW YORK, NY 10021

New York County (212) 517-5900

DAVID S. BLUMENTHAL, M.D. AND LAWRENCE A. INRA , M.D.LLP

Specialist

407 E 70TH ST, FIRST FLOOR
NEW YORK, NY 10021

New York County (212) 249-1011

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 Ruth Kagan's NPI number?

The NPI number for Ruth Kagan is 1639707938. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Ruth Kagan located?

Ruth Kagan practices at 407 E 70th St, New York, NY 10021. The listed phone number is (212) 288-4200.

What is Ruth Kagan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for Ruth Kagan was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.