Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Shirley Ann Olsen, M.D.
Legal Medicine in Rockville, MD · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164837456
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Registry record
Entity type Individual (Type 1)
Name Dr. Shirley Ann Olsen
Credential M.D.
Sex Female
Practice address 9711 Medical Center Dr, Suite 100, Rockville, MD, 20850
Phone (301) 251-2600
Fax (301) 251-2657
Enumeration date Jun 25, 2014
Last updated in NPPES Jun 25, 2014
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Shirley Olsen?
The National Provider Identifier (NPI) for Shirley Olsen is 1164837456, a Type 1 (individual) record in the CMS NPPES registry.
Where does Shirley Olsen practice?
The practice location on file with NPPES is in Rockville, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Nancy Markus Surgical Oncology Physician · Rockville, MD NPI 1972509875 Mark Birns Gastroenterology Physician · Rockville, MD NPI 1982692828 Mark Gloger Gastroenterology Physician · Rockville, MD NPI 1295723146 Victor Witten Gastroenterology Physician · Rockville, MD NPI 1225026172 Birns, Gloger and Witten, MD PC Specialist · Rockville, MD NPI 1730177692 Judith Gurdian Obstetrics & Gynecology Physician · Rockville, MD NPI 1386629277 Orthotic Solutions, LLC Specialist · Rockville, MD NPI 1588610497 Berit Silva Specialist · Rockville, MD NPI 1114097409
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-25.