Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Derek Eton Lai, PharmD
Pharmacist in Rockville, MD · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184539330
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Derek Eton Lai
Credential PharmD
Sex Male
Practice address 9901 Medical Center Dr, Rockville, MD, 20850
Phone (240) 826-6000
Enumeration date Aug 14, 2026
Last updated in NPPES Aug 14, 2026
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
What is the NPI number for Derek Lai?
The National Provider Identifier (NPI) for Derek Lai is 1184539330, a Type 1 (individual) record in the CMS NPPES registry.
Where does Derek Lai 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 → Cary Brown Surgery Physician · Rockville, MD NPI 1992700629 Adventist Healthcare, Inc. General Acute Care Hospital · Rockville, MD NPI 1568468221 Robert Heaton, Jr Anatomic Pathology & Clinical Pathology Physician · Rockville, MD NPI 1003817164 Virendra Saxena Critical Care Medicine (Internal Medicine) Physician · Rockville, MD NPI 1952396608 Critical Care Consultants, P.C. Critical Care Medicine (Internal Medicine) Physician · Rockville, MD NPI 1669467320 Manish Gambhir Emergency Medicine Physician · Rockville, MD NPI 1265428502 Gaurov Dayal Pediatrics Physician · Rockville, MD NPI 1720078009 Ivan Fuss Pediatrics Physician · Rockville, MD NPI 1457341737
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-14.