Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary A Egsieker, MD
Pediatrics Physician in Gresham, OR · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336141720
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Registry record
Entity type Individual (Type 1)
Name Mary A Egsieker
Credential MD
Sex Female
Practice address 25050 Se Stark St Ste 300, Gresham, OR, 97030
Phone (503) 667-8878
Fax (503) 667-0310
Enumeration date Aug 15, 2005
Last updated in NPPES Mar 10, 2026
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 227365 | Medicaid | OR | - |
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 Mary Egsieker?
The National Provider Identifier (NPI) for Mary Egsieker is 1336141720, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Egsieker practice?
The practice location on file with NPPES is in Gresham, OR. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Peter Gyerko Pediatrics Physician · Gresham, OR NPI 1477555860 Susan Omura Pediatrics Physician · Gresham, OR NPI 1477576239 Brooke Lowry Medical Physician Assistant · Gresham, OR NPI 1235278482 Christy Vartanian Clinical Social Worker · Gresham, OR NPI 1922141993 Metta Willey Pediatrics Physician · Gresham, OR NPI 1407066764 Thomas Anderson Pediatrics Physician · Gresham, OR NPI 1306047881 Lori Anderson Pediatrics Physician · Gresham, OR NPI 1508060849 Clotilde Johnson-Beale Pediatrics Physician · Gresham, OR NPI 1760655575
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-10.