STEPHEN DIAMANTONI & ASSOCIATES FAMILY PRACTICE PC
NPI 1528132610
Family Medicine in Lancaster, PA
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
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen Diamantoni & Associates Family Practice Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Stephen Diamantoni & Associates Family Practice PC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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. The provider is also known as Stephen G. Diamantoni MD And Associates Family Practice, P.C..
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.
Is Stephen Diamantoni & Associates Family Practice PC enrolled in Medicare?
Yes. Stephen Diamantoni & Associates Family Practice PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stephen Diamantoni & Associates Family Practice PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Stephen Diamantoni & Associates Family Practice PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3) and Family Practice (2). Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 3 months 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.
# Stephen Diamantoni & Associates Family Practice Pc · NPI 1528132610
Family Medicine organization in Lancaster, Pennsylvania. Organization record, active in the CMS NPPES registry since November 20, 2006.
## Identity
- **NPI:** 1528132610 (Entity type: Organization)
- **Enumerated:** November 20, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Also known as:** STEPHEN G. DIAMANTONI MD AND ASSOCIATES FAMILY PRACTICE, P.C. (Other Name)
- **Organization subpart:** No
- **Authorized official:** Stephen Diamantoni, PRESIDENT
## Practice location
- **Address:** 734 N FRANKLIN ST, Lancaster, PA 17602-2176
- **Phone:** (717) 295-7109 · **Fax:** (717) 295-7294
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Family Practice (2); 4 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 17, 2026
- **Other identifiers:** Medicaid 1007677260004 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1528132610) · Data from the CMS NPPES public registry.