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

WILLIAM OLMSTED
NPI 1891756292
Radiology - Diagnostic Radiology in Baltimore, MD

Active since March 28, 2006
10 N GREENE ST, BALTIMORE, MD 21201(410) 605-7175 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Olmsted NPPES

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

WILLIAM OLMSTED (NPI 1891756292) is an individual diagnostic radiology provider in Baltimore, Maryland, licensed in Maryland (D0015801) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1891756292
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM OLMSTED
Location Address10 N GREENE STBaltimore, MD 21201-1524
Mailing Address11128 Post House CtPotomac, MD 20854-2534
Phone(410) 605-7175
Sole ProprietorNo
Enumeration DateMarch 28, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1891756292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MD · D0015801
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
10 N GREENE ST, Baltimore, MD 21201
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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.

DR. NICHOLAS SEWELL BENNETT D.D.S.
Dentist
10 N GREENE ST, 2-D-137
BALTIMORE, MD 21201
Baltimore City (410) 605-7056
KIMBERLY SINGLE LMSW
Social Worker
10 N GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 605-7000
UNIVERSITY OF MARYLAND EMERGENCY MEDICINE ASSOCIATES, PA
Emergency Medicine
10 N GREENE ST
BALTIMORE, MD 21201
Baltimore City (301) 631-8103
MRS. ERIN DAY MAGGART LCSW-C
Social Worker (Clinical)
10 N GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 590-4140
MR. CHRISTOPHER WILLIAM BUSER LCSW-C
Social Worker (Clinical)
10 N GREENE ST, BT/101/MC
BALTIMORE, MD 21201
Baltimore City (410) 605-7259
PAUL E. RUSKIN M.D.
Psychiatry & Neurology (Psychiatry)
10 N GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 605-7354
MRS. ROSEMARY ANNE SMITH-LAMACCHIA NP
Nurse Practitioner (Adult Health)
10 N GREENE ST, SURGERY SERVICE 112/S
BALTIMORE, MD 21201
Baltimore City (410) 605-7000
MS. SONYA J MORRIS ICSW
Social Worker (Clinical)
10 N GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 605-7000

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 William Olmsted's NPI number?

The NPI number for William Olmsted is 1891756292. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Where is William Olmsted located?

William Olmsted practices at 10 N Greene St, Baltimore, MD 21201. The listed phone number is (410) 605-7175.

What is William Olmsted's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for William Olmsted was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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.