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TRI-COUNTY ORAL-FACIAL SURGEONS, PLLC
NPI 1265479638
Dentist - Oral and Maxillofacial Surgery in State College, PA

Active since June 02, 2006
200 W BEAVER AVE, SUITE 100, STATE COLLEGE, PA 16801(814) 238-0587(814) 238-3840 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 16, 2026, Oct 24, 2022 (2 updates tracked since 2022).

About Tri-county Oral-facial Surgeons, Pllc NPPES

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

TRI-COUNTY ORAL-FACIAL SURGEONS, PLLC (NPI 1265479638) is a healthcare organization registered as an oral and maxillofacial surgery in State College, Pennsylvania and active in the NPI registry since June 2006. The organization lists Stephen L Engroff, Owner, as its authorized official.

NPPES Registry Identity

NPI1265479638
Entity TypeOrganization
Primary Taxonomy1223S0112X
Legal Business NameTRI-COUNTY ORAL-FACIAL SURGEONS, PLLC
Location Address200 W BEAVER AVE, SUITE 100State College, PA 16801
Mailing Address200 W Beaver Ave Ste 100State College, PA 16801-4820 · (814) 238-0587 · Fax (814) 238-3840
Phone(814) 238-0587
Fax(814) 238-3840
Organization SubpartNo
Authorized OfficialStephen L EngroffOwner · (814) 238-0587
Enumeration DateJune 2, 2006
Last NPPES UpdateJanuary 16, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1265479638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Also ListedDentist · Oral and Maxillofacial PathologyTaxonomy 1223P0106X
200 W BEAVER AVE, State College, PA 16801
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Other Identifiers 2

Other118029Highmark
Other1226Geisinger Health Plan

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tri-county Oral-facial Surgeons, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Tri-County Oral-Facial Surgeons, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Stephen Engroff, MD DDS
Maxillofacial Surgery
NPI 1366474314
200 W BEAVER AVE SUITE 100
State College, PA 16801
(814) 238-0587
✔ PECOS✔ Accepts MedicareSame address
Jeremy Hanlon, DMD
Oral Surgery
NPI 1881949766
200 W BEAVER AVE STE 100
State College, PA 16801
(800) 446-5680
✔ PECOS✔ Accepts MedicareSame address

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 Tri-County Oral-Facial Surgeons, PLLC's NPI number?

The NPI number for Tri-County Oral-Facial Surgeons, PLLC is 1265479638. It was assigned to this organization in the NPPES registry on June 2, 2006.

Where is Tri-County Oral-Facial Surgeons, PLLC located?

Tri-County Oral-Facial Surgeons, PLLC is located at 200 W Beaver Ave Suite 100, State College, PA 16801. The listed phone number is (814) 238-0587.

What is Tri-County Oral-Facial Surgeons, PLLC's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Tri-County Oral-Facial Surgeons, PLLC enrolled in Medicare?

Yes. Tri-County Oral-Facial Surgeons, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tri-County Oral-Facial Surgeons, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Tri-County Oral-Facial Surgeons, PLLC, in Maxillofacial Surgery and Oral Surgery. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Tri-County Oral-Facial Surgeons, PLLC was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.