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THOMAS P. ERHART DO PC
NPI 1689800633
Obstetrics & Gynecology in Port Jefferson Station, NY

Active since June 04, 2009
1500 ROUTE 112, BLDG 11, SUITE B, PORT JEFFERSON STATION, NY 11776(631) 474-4917(631) 331-1048 Get Directions Write a Review

NPPES record last updated: July 24, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thomas P. Erhart Do Pc NPPES

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

THOMAS P. ERHART DO PC (NPI 1689800633) is a healthcare organization registered as an obstetrics & gynecology in Port Jefferson Station, New York and active in the NPI registry since June 2009. The organization lists Thomas P Erhart, Physician, as its authorized official.

NPPES Registry Identity

NPI1689800633
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameTHOMAS P. ERHART DO PC
Location Address1500 ROUTE 112, BLDG 11, SUITE BPort Jefferson Station, NY 11776-3060
Mailing Address1500 Route 112, Bldg 11, Suite BPort Jefferson Station, NY 11776-3060 · (631) 474-4917 · Fax (631) 331-1048
Phone(631) 474-4917
Fax(631) 331-1048
Organization SubpartNo
Authorized OfficialThomas P ErhartPhysician · (631) 474-4917
Enumeration DateJune 4, 2009
Last NPPES UpdateJuly 24, 2009
✔ NPI 1689800633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NY · 193070
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1500 ROUTE 112, Port Jefferson Station, NY 11776
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Other Identifiers 2

Medicare PIN48G533NY
Medicare UPINF76013NY

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas P. Erhart Do Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20090812000496Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Thomas P. Erhart Do PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Erhart, D.O.
Obstetrics/Gynecology
NPI 1508891425
1500-11 ROUTE 112 SUITES A & B
Port Jefferson Station, NY 11776
(631) 474-4917
✔ PECOS✔ Accepts Medicare0.2 mi

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 Thomas P. Erhart Do PC's NPI number?

The NPI number for Thomas P. Erhart Do PC is 1689800633. It was assigned to this organization in the NPPES registry on June 4, 2009.

Where is Thomas P. Erhart Do PC located?

Thomas P. Erhart Do PC is located at 1500 Route 112 Bldg 11, Suite B, Port Jefferson Station, NY 11776. The listed phone number is (631) 474-4917.

What is Thomas P. Erhart Do PC's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Thomas P. Erhart Do PC enrolled in Medicare?

Yes. Thomas P. Erhart Do PC is registered in the Medicare PECOS enrollment system.

When is Thomas P. Erhart Do PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Thomas P. Erhart Do PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Thomas P. Erhart Do 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Thomas P. Erhart Do PC was last updated on July 24, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.