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DR. MARTIN GELFAND M.D.
NPI 1609299841
Internal Medicine in Mercer Island, WA

Active since January 23, 2014
4640 84TH AVE SE, MERCER ISLAND, WA 98040(206) 232-2584 Get Directions Write a Review

NPPES record last updated: January 23, 2014. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Martin Gelfand M.d. NPPES

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

DR. MARTIN GELFAND M.D. (NPI 1609299841) is an individual internal medicine provider in Mercer Island, Washington, licensed in Washington (10737) and active in the NPI registry since January 2014.

NPPES Registry Identity

NPI1609299841
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARTIN GELFANDCredential: M.D.
Location Address4640 84TH AVE SEMercer Island, WA 98040-4321
Mailing Address4640 84th Ave SeMercer Island, WA 98040-4321 · (206) 232-2584
Phone(206) 232-2584
Sole ProprietorYes
Enumeration DateJanuary 23, 2014
✔ NPI 1609299841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · 10737
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4640 84TH AVE SE, Mercer Island, WA 98040
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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 Martin Gelfand's NPI number?

The NPI number for Martin Gelfand is 1609299841. It was assigned to this individual provider in the NPPES registry on January 23, 2014.

Where is Martin Gelfand located?

Martin Gelfand practices at 4640 84th Ave SE, Mercer Island, WA 98040. The listed phone number is (206) 232-2584.

What is Martin Gelfand's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Martin Gelfand was last updated on January 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.