What is James Lonnay's NPI number?

James Lonnay's National Provider Identifier (NPI) is 1356281398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Lonnay's specialty?

James Lonnay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is James Lonnay located?

James Lonnay's practice location on file with NPPES is 707 Hamilton St, Allentown, PA 18101-2407.

What is James Lonnay's phone number?

The practice phone number listed in the NPPES registry for James Lonnay is (610) 402-0800.

Is James Lonnay's NPI active?

Yes — James Lonnay's NPI (1356281398) is active in the NPPES registry as of the last update on 2026-04-22.

IndividualActive

James Lonnay, DO

NPI 1356281398 · Family Medicine Physician · Allentown, PA

James Lonnay, DO is a Family Medicine Physician provider in Allentown, PA (NPI 1356281398).

Provider details

NPI number: 1356281398
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Male
Sole proprietor: No
License: OT024999 (PA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense OT024999 (PA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

707 Hamilton St

Allentown, PA 18101-2407

Phone: (610) 402-0800

Street-level locationGet directions

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Mailing address