DR. GWYNN ISON MD
NPI 1871815415
Public Health or Welfare in Silver Spring, MD

Active since February 24, 2010
10903 NEW HAMPSHIRE AVE, BLDG 22 HFD 150, SILVER SPRING, MD 20993(301) 796-4057 Get Directions Write a Review

NPPES record last updated: February 26, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gwynn Ison Md NPPES

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

DR. GWYNN ISON MD (NPI 1871815415) is an individual public health or welfare provider in Silver Spring, Maryland, licensed in Maryland (D60271) and active in the NPI registry since February 2010.

NPPES Registry Identity

NPI1871815415
Entity TypeIndividualFemale
Primary Taxonomy251K00000X
Provider Legal NameDR. GWYNN ISONCredential: MD
Location Address10903 NEW HAMPSHIRE AVE, BLDG 22 HFD 150Silver Spring, MD 20993-1058
Mailing Address10903 New Hampshire Ave, Bldg 22 Hfd 150Silver Spring, MD 20903-1058 · (301) 796-4057
Sole ProprietorYes
Enumeration DateFebruary 24, 2010
Last NPPES UpdateFebruary 26, 2010
NPI 1871815415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPublic Health or WelfareAgencies
Taxonomy Code251K00000X
License Licensed in MD · D60271
10903 NEW HAMPSHIRE AVE, Silver Spring, MD 20993

Other Providers at the Same Location NPPES 20

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

Pharmacist
10903 NEW HAMPSHIRE AVE, WO22 MS 3411
SILVER SPRING, MD 20993
Internal Medicine (Infectious Disease)
10903 NEW HAMPSHIRE AVE, BUILDING 22 RM 6176
SILVER SPRING, MD 20993
Pharmacist
10903 NEW HAMPSHIRE AVE, BUILDING 51, FOOD AND DRUG ADMINISTRATION
SILVER SPRING, MD 20993
Pediatrics
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20993
General Practice
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20993
Specialist/Technologist (Athletic Trainer)
10903 NEW HAMPSHIRE AVE, BLDG 66, RM 5574
SILVER SPRING, MD 20993
Pathology (Blood Banking & Transfusion Medicine)
10903 NEW HAMPSHIRE AVE, BLDG 71/4052
SILVER SPRING, MD 20993
Pediatrics (Pediatric Hematology-Oncology)
10903 NEW HAMPSHIRE AVE, WHITE OAK BUILDING 22
SILVER SPRING, MD 20993

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 Gwynn Ison's NPI number?

The NPI number for Gwynn Ison is 1871815415. It was assigned to this individual provider in the NPPES registry on February 24, 2010.

Where is Gwynn Ison located?

Gwynn Ison practices at 10903 New Hampshire Ave Bldg 22 Hfd 150, Silver Spring, MD 20993. The listed phone number is (301) 796-4057.

What is Gwynn Ison's specialty?

The primary specialty registered for this NPI is Public Health or Welfare with taxonomy code 251K00000X.

When was this NPI record last updated?

The NPPES record for Gwynn Ison was last updated on February 26, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.