Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Barbara S Otto, NP

Q: What is the NPI number for Barbara Otto?

The National Provider Identifier (NPI) for Barbara Otto is 1215908405, a Type 1 (individual) record in the CMS NPPES registry.

Obstetrics & Gynecology Nurse Practitioner in Exton, PA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1215908405

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Registry record

Entity type Individual (Type 1)

Name Barbara S Otto

Credential NP

Sex Female

Practice address 495 Thomas Jones Way, Suite 210, Exton, PA, 19341

Phone (610) 560-8550

Fax (610) 280-1569

Enumeration date Jan 27, 2006

Last updated in NPPES Mar 10, 2009

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP007907 (PA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
1783498	Other	PA	BCBS
30027682	Other	PA	KEYSTONE MERCY
5939631	Other	PA	CIGNA
10154674801	Other	PA	AMERICHOICE
1015467480001	Medicaid	PA	-

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 → Validate an NPI →

Frequently asked questions

Where does Barbara Otto practice?

The practice location on file with NPPES is in Exton, PA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Barbara Otto?

The National Provider Identifier (NPI) for Barbara Otto is 1215908405, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Dale Scanlon General Practice Dentistry · Exton, PA NPI 1366449399 Carol Coldren Obstetrics & Gynecology Physician · Exton, PA NPI 1437120748 Steven Goldstein Gastroenterology Physician · Exton, PA NPI 1144269457 Deborah Bieter Schultz Obstetrics & Gynecology Physician · Exton, PA NPI 1952336414 Jennifer Keah Family Medicine Physician · Exton, PA NPI 1275713455 Linda Vilbert Family Medicine Physician · Exton, PA NPI 1326333881 Sunil Chandy Pain Medicine (Anesthesiology) Physician · Exton, PA NPI 1720375793 Valerie Vilbert Family Medicine Physician · Exton, PA NPI 1316207293

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-10.