Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ann Werner, M.D.
Pediatrics Physician in Laurel, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588644090
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ann Werner
Credential M.D.
Sex Female
Practice address 9811 Mallard Dr, Suite 109, Laurel, MD, 20708
Phone (301) 776-8000
Fax (301) 776-6753
Enumeration date Jan 19, 2006
Last updated in NPPES Aug 20, 2015
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 Ann Werner?
The National Provider Identifier (NPI) for Ann Werner is 1588644090, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ann Werner practice?
The practice location on file with NPPES is in Laurel, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Swapna Abhyankar Specialist · Laurel, MD NPI 1477533230 Louis Bland Pediatrics Physician · Laurel, MD NPI 1265412043 Inas Anderson Pediatrics Physician · Laurel, MD NPI 1649250325 Nancy Mills Pediatric Registered Nurse · Laurel, MD NPI 1952381436 Mei-Lin Lu Pediatrics Physician · Laurel, MD NPI 1114907896 Steven Brown Pediatrics Physician · Laurel, MD NPI 1609846856 My-Huong Nguyen Pediatrics Physician · Laurel, MD NPI 1558331710 Joseph Thomas Allergy & Immunology Physician · Laurel, MD NPI 1679544175
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-20.