DR. FRED IRWIN POLSKY M.D.
NPI 1285731620
Internal Medicine - Nephrology in Washington, DC

Q: What is Fred Polsky's NPI number?

The NPI number for Fred Polsky is 1285731620. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Q: What is Fred Polsky's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Fred Polsky was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since September 20, 2006

4100 CATHEDRAL AVE NW, APT. PH-16, WASHINGTON, DC 20016(202) 237-1224(202) 686-2595 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Fred Irwin Polsky M.d. NPPES

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

DR. FRED IRWIN POLSKY M.D. (NPI 1285731620) is an individual nephrology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD035904) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1285731620

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. FRED IRWIN POLSKYCredential: M.D.

Location Address4100 CATHEDRAL AVE NW, APT. PH-16Washington, DC 20016-3584

Mailing Address4100 Cathedral Ave Nw, Apt. Ph-16Washington, DC 20016-3584 · (202) 237-1224 · Fax (202) 686-2595

Phone(202) 237-1224

Fax(202) 686-2595

Sole ProprietorYes

Enumeration DateSeptember 20, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1285731620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in DC · MD035904

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

4100 CATHEDRAL AVE NW, Washington, DC 20016

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Other Providers at the Same Location NPPES

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

DR. DONALD H MCKNEW JR. MD

Psychiatry & Neurology (Child & Adolescent Psychiatry)

4100 CATHEDRAL AVE NW, APT. #603
WASHINGTON, DC 20016

District of Columbia (202) 248-9377

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 Fred Polsky's NPI number?

The NPI number for Fred Polsky is 1285731620. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Fred Polsky located?

Fred Polsky practices at 4100 Cathedral Ave NW Apt. Ph-16, Washington, DC 20016. The listed phone number is (202) 237-1224.

What is Fred Polsky's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for Fred Polsky was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.