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DR. THOMAS OVERHOLT M.D.
NPI 1043310568
Hospitalist in Port Jefferson, NY

Active since September 24, 2006PECOS Enrolled
75 N COUNTRY RD, PORT JEFFERSON, NY 11777(631) 686-7654(631) 686-7653 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Thomas Overholt M.d. NPPES

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

DR. THOMAS OVERHOLT M.D. (NPI 1043310568) is an individual hospitalist provider in Port Jefferson, New York, licensed in New York (2359411) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043310568
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. THOMAS OVERHOLTCredential: M.D.
Location Address75 N COUNTRY RDPort Jefferson, NY 11777-2119
Mailing Address625 Belle Terre Rd, Suite 100Port Jefferson, NY 11777-2316 · (631) 473-1320 · Fax (631) 686-7626
Phone(631) 686-7654
Fax(631) 686-7653
Sole ProprietorNo
Enumeration DateSeptember 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1043310568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NY · 2359411
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
75 N COUNTRY RD, Port Jefferson, NY 11777
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Other Identifiers 2

Medicare UPINB48138NY
Medicare ID-Type Unspecified1412S1

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Overholt M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Overholt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lancaster General Hospital
182 mi
Hospitalist
555 N DUKE ST
Lancaster, PA 17602
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 151 clinicians in this Medicare group
NPI 1730323759 (717) 544-8144

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11777 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

JUSTINA CATHERINE MELLONE DO
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
AAKAASH VARMA MD
Dermatology
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2549
KRISELA VOJNIKU MD
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2549
LORETTA DIDWELL
Physician Assistant
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
RAYMOND WONG
Internal Medicine
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-7654
KATLYN ANN CONVILLE ANTHONY NP
Nurse Practitioner (Family)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2565
SHEHNAZ WASIM MD
Internal Medicine
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-1443
JULIA KOROBENKO DO
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2549

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 Overholt's NPI number?

The NPI number for Thomas Overholt is 1043310568. It was assigned to this individual provider in the NPPES registry on September 24, 2006.

Where is Thomas Overholt located?

Thomas Overholt practices at 75 N Country Rd, Port Jefferson, NY 11777. The listed phone number is (631) 686-7654.

What is Thomas Overholt's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Thomas Overholt enrolled in Medicare?

Yes. Thomas Overholt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Overholt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Overholt reassigns Medicare benefits to Lancaster General Hospital (Lancaster, PA). The 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 Thomas Overholt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Overholt was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.