Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHEN DIAMANTONI & ASSOCIATES FAMILY PRACTICE PC
NPI 1528132610
Family Medicine in Lancaster, PA

Active since November 20, 2006
734 N FRANKLIN ST, LANCASTER, PA 17602(717) 295-7109(717) 295-7294 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Stephen Diamantoni & Associates Family Practice Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHEN DIAMANTONI & ASSOCIATES FAMILY PRACTICE PC (NPI 1528132610) is a healthcare organization registered as a family medicine in Lancaster, Pennsylvania and active in the NPI registry since November 2006. The organization lists Stephen G. Diamantoni, President, as its authorized official.

NPPES Registry Identity

NPI1528132610
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameSTEPHEN DIAMANTONI & ASSOCIATES FAMILY PRACTICE PC
Location Address734 N FRANKLIN STLancaster, PA 17602-2176
Mailing Address734 N Franklin StLancaster, PA 17602-2176 · (717) 295-2323 · Fax (717) 295-7294
Fax(717) 295-7294
Organization SubpartNo
Authorized OfficialStephen G. DiamantoniPresident · (717) 295-2323
Enumeration DateNovember 20, 2006
Last NPPES UpdateJuly 17, 2026
NPPES CertifiedJuly 17, 2026
NPI 1528132610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in PA · MD029374E
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
734 N FRANKLIN ST, Lancaster, PA 17602

Other Identifiers 1

Medicaid1007677260004PA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
734 N FRANKLIN ST
LANCASTER, PA 17602
Physician Assistant (Medical)
734 N FRANKLIN ST
LANCASTER, PA 17602
Family Medicine
734 N FRANKLIN ST
LANCASTER, PA 17602
Physician Assistant
734 N FRANKLIN ST
LANCASTER, PA 17602
Family Medicine
734 N FRANKLIN ST
LANCASTER, PA 17602
Physician Assistant (Medical)
734 N FRANKLIN ST
LANCASTER, PA 17602
Physician Assistant
734 N FRANKLIN ST
LANCASTER, PA 17602
Family Medicine
734 N FRANKLIN ST
LANCASTER, PA 17602

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Diamantoni & Associates Family Practice PC's NPI number?

The NPI number for Stephen Diamantoni & Associates Family Practice PC is 1528132610. It was assigned to this organization in the NPPES registry on November 20, 2006.

Where is Stephen Diamantoni & Associates Family Practice PC located?

Stephen Diamantoni & Associates Family Practice PC is located at 734 N Franklin St, Lancaster, PA 17602. The listed phone number is (717) 295-7109.

What is Stephen Diamantoni & Associates Family Practice PC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

What insurance does Stephen Diamantoni & Associates Family Practice PC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Stephen Diamantoni & Associates Family Practice PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephen Diamantoni & Associates Family Practice PC was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.