Dr. Gregory Conrad Stachelek, MD, PhD
- Medicare services, 2024
- 717
- Medicare patients, 2024
- 79
- Part D claims, 2024
- 81
- Publications
- 9
- Hospital affiliations
- 2
- Practice address
- 1500 Lansdowne Ave, Darby, PA 19023
- Practice phone
- Call (215) 237-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stachelek's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Conrad Stachelek is a radiation oncologist in Darby, Pennsylvania
Dr. Stachelek practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health.
Dr. Stachelek's NPI, 1245687557, was assigned on May 17, 2016. Dr. Stachelek graduated from Yale University School of Medicine in 2016. Dr. Stachelek holds Pennsylvania license MD475475.
- NPI
- 1245687557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042569915
- NPI enumeration date
- May 17, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 237-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Conrad Stachelek practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania
Dr. Stachelek's primary practice is Mercy Fitzgerald Hospital, at 1500 Lansdowne Ave, Darby, PA 19023 in Delaware County. The practice phone is (215) 237-4000.
- Mercy Fitzgerald Hospital1500 Lansdowne Ave, Darby, PA 19023 · Delaware CountyPhone(215) 237-4000
Source: Dmand AI Affiliation Data
Dr. Gregory Conrad Stachelek is affiliated with 2 sites of care and 2 medical groups
Dr. Stachelek's primary practice is Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health. Dr. Stachelek is also affiliated with St. Mary Medical Center. The medical group on file is Trinity Health Mid-Atlantic Medical Group. Dmand AI also links Dr. Stachelek to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Conrad Stachelek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stachelek practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Fitzgerald Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Conrad Stachelek is one of 304 radiation oncologists in Pennsylvania
Radiation oncology is Dr. Stachelek's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Stachelek is licensed in Pennsylvania.
Specialties and state licenses
- Radiation oncology, PennsylvaniaPrimary
Radiation oncologists near Dr. Stachelek
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Conrad Stachelek billed Medicare for 717 services in 2024
CMS data shows 717 Medicare services from Dr. Stachelek across 10 procedure codes in 2024, for 79 Medicare patients. Medicare paid $52,708 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stachelek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 6282024: 6123%
- Office and hospital visits
- 2023: 1002024: 1055%
Dr. Stachelek compared with the Pennsylvania median for radiation oncologists, 2024
- Dr. Stachelek
- Pennsylvania median
- Medicare services
- 717vs 1,02730% below
- Medicare patients
- 79vs 16051% below
- Part D claims
- 51vs 3931% above
Medians across 308 radiation oncologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Stachelek's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stachelek and other radiation oncologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Conrad Stachelek treated 79 Medicare patients in 2024, average age 73
CMS counts 79 Medicare patients who saw Dr. Stachelek in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have cancer, and 75% have high blood pressure. 35% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Stachelek's median patient age at 72, with 46% women.
Dr. Stachelek's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stachelek's Medicare patients by sex, 2024
- Women3646%
- Men4354%
Chronic conditions among Dr. Stachelek's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Diabetes49%
- Ischemic heart disease43%
- Arthritis37%
- Tobacco use33%
- COPD30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stachelek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Conrad Stachelek wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Stachelek wrote 81 Medicare Part D claims for 23 patients. 100% of them were for generic drugs. CMS names the drug for 51 of them, across 3 drugs with 11 or more claims each, at $562 in total drug cost. In 2023, CMS named 38 claims across 2 drugs.
Dr. Stachelek's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Stachelek's Part D claims, 2024
- Opioids21%17 of 81 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 382024: 5134%
Drugs named by CMS: 3 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory Conrad Stachelek takes part in Medicare
Dr. Stachelek accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Conrad Stachelek has 9 publications on record
Dmand AI links 9 papers to Dr. Stachelek, published from 2011 to 2023. 2019 was the busiest year, with 3. Dr. Stachelek's most frequent co-authors are Kristin Janson Redmond, MD, Chetan Bettegowda, MD, PhD and Marion B. Brody, MD.
Dr. Stachelek's papers by year, 2011 to 2023
Dr. Stachelek's most frequent co-authors
- Kristin Janson Redmond, MD2 shared papers
- Chetan Bettegowda, MD, PhD1 shared paper
- Marion B. Brody, MD1 shared paper
Recent publications by Dr. Stachelek
Pract Radiat Oncol
See who Dr. Stachelek researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stachelek works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Conrad Stachelek received $321 in industry payments from 2022 to 2025
CMS Open Payments shows 15 general payments to Dr. Stachelek from 9 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $70.
General payments to Dr. Stachelek by program year, 2022 to 2025
Companies that paid Dr. Stachelek the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Conrad Stachelek graduated from Yale University School of Medicine
Dr. Stachelek graduated from Yale University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Conrad Stachelek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Conrad Stachelek
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Conrad Stachelek's NPI number?
Dr. Gregory Conrad Stachelek's NPI number is 1245687557. It was assigned on May 17, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Conrad Stachelek?
Dr. Gregory Conrad Stachelek is a radiation oncologist in Darby, Pennsylvania. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Gregory Conrad Stachelek practice?
Dr. Stachelek practices at 1500 Lansdowne Ave, Darby, PA 19023. Dr. Stachelek's primary practice is Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health. Dmand AI also links Dr. Stachelek to 1 medical group.
What is Dr. Gregory Conrad Stachelek's office phone number?
The practice phone on file for Dr. Stachelek is (215) 237-4000.
What is Dr. Gregory Conrad Stachelek's medical license number?
Dr. Stachelek holds Pennsylvania license MD475475.
Which hospitals is Dr. Gregory Conrad Stachelek affiliated with?
Dr. Stachelek practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania. Dr. Stachelek is also affiliated with St. Mary Medical Center.
What medical group is Dr. Gregory Conrad Stachelek part of?
Dr. Stachelek is linked to Trinity Health Mid-Atlantic Medical Group. Dmand AI links Dr. Stachelek to 1 more medical group.
Does Dr. Gregory Conrad Stachelek accept Medicare?
Yes. CMS data shows Dr. Stachelek billed Medicare for 717 services in 2024, and Dr. Stachelek accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Conrad Stachelek see?
CMS counts 79 Medicare patients who saw Dr. Stachelek in 2024, with an average age of 73.
What services does Dr. Gregory Conrad Stachelek bill to Medicare?
In 2024, Dr. Stachelek's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
Show 6 more questionsShow fewer questions
Where did Dr. Gregory Conrad Stachelek go to medical school?
Dr. Stachelek graduated from Yale University School of Medicine in 2016.
What drugs does Dr. Gregory Conrad Stachelek prescribe most?
In 2024 Medicare Part D data, Dr. Stachelek's most prescribed drugs by claims were Tamsulosin HCl, Lidocaine HCl Viscous and Oxycodone HCl.
Has Dr. Gregory Conrad Stachelek received payments from drug or device companies?
CMS Open Payments shows $321 in general payments to Dr. Stachelek from 9 companies from 2022 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Gregory Conrad Stachelek been practicing?
Dr. Stachelek graduated from medical school in 2016, 10 years ago.
Does Dr. Gregory Conrad Stachelek do research?
Dmand AI links 9 publications to Dr. Stachelek, published from 2011 to 2023.
Who does Dr. Gregory Conrad Stachelek publish with?
Dr. Stachelek's most frequent co-authors are Kristin Janson Redmond, MD (2 shared papers), Chetan Bettegowda, MD, PhD (1 shared paper) and Marion B. Brody, MD (1 shared paper).
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