Doctor profile · Federal record

Dr. Gregory Stachelek, M.D., PH.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Darby, PA

  • NPI 1245687557
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 Lansdowne Ave
Darby, PA 190231200
(610) 237-5070
Additional location
1201 Langhorne Newtown RD
Langhorne, PA 190471201
(215) 607-6989
fax (215) 710-6789

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
May 20, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Pennsylvania #MD475475

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245687557. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
728
Distinct HCPCS
10
Medicare allowed
$71,505
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 321 18 $46
77300 Calculation of radiation therapy dose 109 27 $34
77427 Radiation treatment management, 5 treatment sessions 81 22 $199
99214 Established patient office or other outpatient visit, 30-39 minutes 65 45 $99
77334 Design and construction of complex radiation treatment device 35 17 $62
77263 Complex radiation therapy planning 31 28 $175
77338 Design and construction of radiation treatment device for high precision radiation therapy 26 24 $233
77301 High precision radiation therapy planning 25 24 $434
99205 New patient office or other outpatient visit, 60-74 minutes 22 22 $180
99215 Established patient office or other outpatient visit, 40-54 minutes 13 11 $147

In context: peer comparison

Among 1 peers in Darby Radiation Oncology Physician, average services per provider: 72. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$50
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 1 $27.13
Novartis Pharmaceuticals Corporation 1 $23.22

By nature of payment

Food and Beverage
$50

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
0
Total drug cost
$648
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 24 0 $492
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 14 0 $156

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Stachelek's medical specialty?
Dr. Gregory Stachelek practices Radiation Oncology Physician in Darby, PA.
Where does Dr. Gregory Stachelek practice?
Dr. Gregory Stachelek practices at 1500 Lansdowne Ave, Darby, PA 190231200. Office phone: 6102375070.
What is Dr. Gregory Stachelek's NPI?
Dr. Gregory Stachelek's National Provider Identifier (NPI) is 1245687557, issued by NPPES.
Does Dr. Gregory Stachelek accept Medicare assignment?
Yes. Dr. Gregory Stachelek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Stachelek commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.