Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Colleen L. Demirkan, PHARM.D.
Pharmacist in Arnold, MD · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134404627
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Registry record
Entity type Individual (Type 1)
Name Colleen L. Demirkan
Credential PHARM.D.
Sex Female
Practice address 1460 Ritchie Hwy, Suite 103, Arnold, MD, 21012
Phone (443) 949-8373
Fax (443) 949-8375
Enumeration date Oct 15, 2011
Last updated in NPPES Aug 7, 2013
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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
Where does Colleen Demirkan practice?
The practice location on file with NPPES is in Arnold, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Colleen Demirkan?
The National Provider Identifier (NPI) for Colleen Demirkan is 1134404627, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → James Ruppel Family Medicine Physician · Arnold, MD NPI 1912906512 Luminis Health Medical Group, LLC Family Medicine Physician · Arnold, MD NPI 1023085222 Scott Finlay General Practice Dentistry · Arnold, MD NPI 1457384414 Diane Kelly Chiropractor · Arnold, MD NPI 1578582375 Candace Tesch Pediatrics Physician · Arnold, MD NPI 1225104391 Kelly Chiropractic Center, P.A. Chiropractor · Arnold, MD NPI 1184781981 Christopher Anderson Dentist · Arnold, MD NPI 1699066027 John Koloski Chiropractor · Arnold, MD NPI 1235412859
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-07.