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Mary A Egsieker, MD

Mary A Egsieker is a Pediatrics Physician provider (Pediatrics) practicing in Gresham, OR, registered in the NPPES registry with NPI 1336141720 since 2005. The credential MD stands for Doctor of Medicine.

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NPI 1336141720
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 5036678878
Fax 5036670310
Enumeration date 2005-08-15
Last updated in NPPES 2026-03-10

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208000000X Pediatrics Physician Primary MD24342 OR

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
Copy-ready billing details
Provider: Mary Egsieker, MD
NPI: 1336141720
Taxonomy: 208000000X (Pediatrics Physician)
Address: 25050 SE STARK ST STE 300, Gresham, OR, 97030

Other providers at this practice address

NPI Name Type Specialty Location
1477555860 Peter Gyerko Individual Pediatrics Physician Gresham, OR
1477576239 Susan Omura Individual Pediatrics Physician Gresham, OR
1235278482 Brooke Lowry Individual Medical Physician Assistant Gresham, OR
1922141993 Christy Vartanian Individual Clinical Social Worker Gresham, OR
1407066764 Metta Willey Individual Pediatrics Physician Gresham, OR
1306047881 Thomas Anderson Individual Pediatrics Physician Gresham, OR
1508060849 Lori Anderson Individual Pediatrics Physician Gresham, OR
1760655575 Clotilde Johnson-Beale Individual Pediatrics Physician Gresham, OR

Verify this record

Cross-check NPI 1336141720 against the authoritative CMS record: view Mary A Egsieker on the official NPPES registry .

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. Read the full guide or validate an NPI number.

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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2026-03-10.