1. Home
  2. Directory
  3. Pennsylvania
  4. Pottsville
  5. Radiology
  6. NPI Profile

GREGORY CHRISTOPHER TREHARNE M.D.
NPI 1972875763
Radiology - Radiation Oncology in Pottsville, PA

Active since February 08, 2012PECOS EnrolledAccepts Medicare Assignment
100 ONE NORWEGIAN PLAZA, POTTSVILLE, PA 17901(570) 622-8500(570) 622-0261 Get Directions Write a Review

NPPES record last updated: August 28, 2020. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 28, 2020, Mar 17, 2018, Nov 30, 2017 and 1 more (4 updates tracked since 2016).

About Gregory Christopher Treharne M.d. NPPES

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

GREGORY CHRISTOPHER TREHARNE M.D. (NPI 1972875763) is an individual radiation oncology provider in Pottsville, Pennsylvania, licensed in Pennsylvania (MD462891) and active in the NPI registry since February 2012. He is enrolled in Medicare PECOS, is affiliated with Geisinger Medical Center, and maintains a secondary practice location in Joliet.

NPPES Registry Identity

NPI1972875763
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameGREGORY CHRISTOPHER TREHARNECredential: M.D.
Location Address100 ONE NORWEGIAN PLAZAPottsville, PA 17901-6029
Mailing Address100 N Academy AveDanville, PA 17822-4903 · (570) 271-6144
Phone(570) 622-8500
Fax(570) 622-0261
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2010
Enumeration DateFebruary 8, 2012
Last NPPES UpdateAugust 28, 20204 updates tracked since enumeration
NPPES CertifiedAugust 28, 2020
✔ NPI 1972875763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in PA · MD462891✔ Licensed in IL · 336102126
Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

100 ONE NORWEGIAN PLAZA, Pottsville, PA 17901
Open in Google Maps ↗

Secondary Practice Location 1

Location 12614 W Jefferson StJoliet, IL 60435-6433 · Phone (630) 734-9560 · Fax (630) 734-9565

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Christopher Treharne M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769701358
PECOS Enrollment IDI20171212002719
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.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
867 services48 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
276 services50 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
213 services55 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
144 services55 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
101 services72 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
82 services72 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Geisinger Medical Center

Acute Care Hospitals · Danville, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390006
Location100 North Academy AvenueDanville, PA 17822 · Montour County
Emergency services Birthing friendly

Schuylkill Medical Center - South Jackson Street

Acute Care Hospitals · Pottsville, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390030
Location420 South Jackson StreetPottsville, PA 17901 · Schuylkill County
Emergency services Birthing friendly

St Luke's Miners Memorial Hospital

Acute Care Hospitals · Coaldale, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390183
Location360 W Ruddle StreetCoaldale, PA 18218 · Schuylkill County
Emergency services

Geisinger St. Luke's Hospital

Acute Care Hospitals · Orwigsburg, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390332
Location100 Paramount BoulevardOrwigsburg, PA 17961 · Schuylkill County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17901 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
$166.87 typical visit price
range $54.64 – $166.87
Typical copayment $41.71 (range $13.66 – $41.71)
Most-billed visit code 99205
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions

What is Gregory Treharne's NPI number?

The NPI number assigned to this healthcare provider is 1972875763, enumerated as an "individual" on February 08, 2012.

Where is the provider located?

The provider is located at 100 ONE NORWEGIAN PLAZA POTTSVILLE, PA 17901 and the phone number is (570) 622-8500.

What is the provider's specialty?

Radiology with taxonomy code 2085R0001X and a focus in Radiation Oncology.

Is Gregory Treharne affiliated with any hospitals?

Gregory Treharne is affiliated with: GEISINGER MEDICAL CENTER, SCHUYLKILL MEDICAL CENTER - SOUTH JACKSON STREET, ST LUKE'S MINERS MEMORIAL HOSPITAL and GEISINGER ST. LUKE'S HOSPITAL.