Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heather A. Olex, DO

Q: What is the NPI number for Heather Olex?

The National Provider Identifier (NPI) for Heather Olex is 1689681918, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Newtown Square, PA · enumerated 2006.

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

National Provider Identifier

1689681918

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Registry record

Entity type Individual (Type 1)

Name Heather A. Olex

Credential DO

Sex Female

Practice address 3544 West Chester Pike, Suite 217, Newtown Square, PA, 19073

Phone (610) 526-4097

Enumeration date Aug 1, 2006

Last updated in NPPES Jan 4, 2018

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License OS013523 (PA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License OS013523 (PA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License OS013523 (PA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
101685400	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

What is the NPI number for Heather Olex?

The National Provider Identifier (NPI) for Heather Olex is 1689681918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heather Olex practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-04.