Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary Jo Ann Thomas, O.D.

Optometrist in Trooper, PA · enumerated 2009 · practices at Therese C. Deschenes, Od; PC.

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

National Provider Identifier

1942431663

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary Jo Ann Thomas

Credential O.D.

Sex Female

Practice address 2900 W Germantown Pike, Trooper, PA, 19403

Phone (610) 630-6633

Fax (610) 630-8239

Enumeration date Jul 29, 2009

Last updated in NPPES Jul 29, 2009

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OEG002181 (PA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Mary Jo Thomas practice?

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

What is the NPI number for Mary Jo Thomas?

The National Provider Identifier (NPI) for Mary Jo Thomas is 1942431663, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Therese Deschenes Optometrist · Trooper, PA NPI 1215966338 Therese C. Deschenes, Od; PC Optometrist · Trooper, PA NPI 1922289305 Chase Kneeland Marriage & Family Therapist · Trooper, PA NPI 1023418761

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-07-29.