Antibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, Adjuvant
Dr. Stephen M. Keefe, MD
NPI1154484780
- Medicare services, 2020
- 14
- Part D claims, 2019
- 89
- Publications
- 35
- Hospital affiliations
- 1
- Industry payments
- $1,418
- Practice address
- 3400 Spruce St, Philadelphia, PA 19104
- Practice phone
- Call (215) 662-6289
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Stephen M. Keefe is a medical oncologist in Philadelphia, Pennsylvania
Dr. Keefe practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania.
Dr. Keefe's NPI, 1154484780, was assigned on December 18, 2006. Dr. Keefe holds Pennsylvania license MD427015.
NPI and contact details
- NPI
- 1154484780NPI Registry (opens in a new tab)
- NPI enumeration date
- December 18, 2006
- NPI status
- Active
- Practice phone
- (215) 662-6289
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen M. Keefe practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania
Dr. Keefe's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 662-6289.
- Hospital of the University of Pennsylvania3400 Spruce St, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 662-6289
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen M. Keefe is affiliated with 1 site of care and 1 medical group
Dr. Keefe's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen M. Keefe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keefe practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital of the University of Pennsylvania | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen M. Keefe is one of 213 medical oncologists in Pennsylvania
Medical oncology is Dr. Keefe's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Keefe is licensed in Pennsylvania.
Specialties and state licenses
- Medical oncology, PennsylvaniaPrimary
Medical oncologists near Dr. Keefe
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
213medical oncologists in Pennsylvania123medical oncologists in Philadelphia23medical oncologists at Hospital of the University of Pennsylvania
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen M. Keefe billed Medicare for 14 services in 2020
CMS data shows 14 Medicare services from Dr. Keefe across 1 procedure code in 2020, all of them office visits. Medicare paid $612 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202014
Paid by Medicare$612
Procedure codes1
Dr. Keefe's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 802020: 1483%
Dr. Keefe compared with the Pennsylvania median for medical oncologists, 2020
- Dr. Keefe
- Pennsylvania median
- Medicare services
- 14vs 36896% below
- Part D claims
- 89vs 19254% below
Medians across 201 medical oncologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Keefe's most billed Medicare procedure codes, 2020
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen M. Keefe's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Keefe's median patient age at 80, with 100% women.
Dr. Keefe's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Stephen M. Keefe wrote 89 Medicare Part D claims in 2019
In 2019, Dr. Keefe wrote 89 Medicare Part D claims. They cover 5 drugs, with $876,134 in total drug cost. In 2018, CMS named 65 claims across 4 drugs.
Part D claims, 201989
Drugs named by CMS5
Total drug cost$876,134
Dr. Keefe's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 652019: 8937%
Drugs named by CMS: 5 in 2019, 4 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Stephen M. Keefe has 35 publications on record
Dmand AI links 35 papers to Dr. Keefe, published from 2012 to 2024. 2014 was the busiest year, with 6. The most frequent topics are Antibodies, Monoclonal, Humanized, Antineoplastic Combined Chemotherapy Protocols and Urinary Bladder Neoplasms. Dr. Keefe has published most often in Ann Oncol. Dr. Keefe's most frequent co-authors are John Paul Christodouleas, MD, Ronac Mamtani, MD and Krishnansu Sujata Tewari, MD.
Papers35
Years published2012 to 2024
Dr. Keefe's papers by year, 2013 to 2024
Topics Dr. Keefe writes about most
- Antibodies, Monoclonal, Humanized
- Antineoplastic Combined Chemotherapy Protocols
- Urinary Bladder Neoplasms
- Carcinoma, Transitional Cell
- Antineoplastic Agents, Immunological
- B7-H1 Antigen
- Bevacizumab
- Carcinoma, Renal Cell
Dr. Keefe's most frequent co-authors
- John Paul Christodouleas, MD5 shared papers
- Ronac Mamtani, MD4 shared papers
- Krishnansu Sujata Tewari, MD4 shared papers
Recent publications by Dr. Keefe
J Clin Oncol
Antineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenBevacizumab
Antibodies, Monoclonal, HumanizedAntineoplastic Agents, ImmunologicalBiomarkers, Tumor
See who Dr. Keefe researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keefe works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen M. Keefe received $1,418 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Keefe from 3 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 92% of the total. Pfizer Inc. paid the most, $1,310.
General payments to Dr. Keefe by program year, 2016 to 2024
General payments to Dr. Keefe by kind, 2016 to 2024
$1.4Kin total
- Speaker and faculty fees$1,31092%
- Food and beverage$1088%
Companies that paid Dr. Keefe the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen M. Keefe'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Stephen M. Keefe
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. Stephen M. Keefe's NPI number?
Dr. Stephen M. Keefe's NPI number is 1154484780. It was assigned on December 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen M. Keefe?
Dr. Stephen M. Keefe is a medical oncologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Stephen M. Keefe practice?
Dr. Keefe practices at 3400 Spruce St, Philadelphia, PA 19104. Dr. Keefe's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania.
What is Dr. Stephen M. Keefe's office phone number?
The practice phone on file for Dr. Keefe is (215) 662-6289.
What is Dr. Stephen M. Keefe's medical license number?
Dr. Keefe holds Pennsylvania license MD427015.
Which hospitals is Dr. Stephen M. Keefe affiliated with?
Dr. Keefe practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.
What medical group is Dr. Stephen M. Keefe part of?
Dr. Keefe is linked to Penn Medicine Lancaster General Health.
Does Dr. Stephen M. Keefe accept Medicare?
Yes. CMS data shows Dr. Keefe billed Medicare for 14 services in 2020.
What services does Dr. Stephen M. Keefe bill to Medicare?
In 2020, Dr. Keefe's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Stephen M. Keefe prescribe most?
In 2019 Medicare Part D data, Dr. Keefe's most prescribed drugs by claims were Prednisone, Inlyta and Lenvima.
Show 4 more questionsShow fewer questions
Has Dr. Stephen M. Keefe received payments from drug or device companies?
CMS Open Payments shows $1,418 in general payments to Dr. Keefe from 3 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Stephen M. Keefe been practicing?
Dr. Keefe's NPI was assigned in 2006.
Does Dr. Stephen M. Keefe do research?
Dmand AI links 35 publications to Dr. Keefe, published from 2012 to 2024.
Who does Dr. Stephen M. Keefe publish with?
Dr. Keefe's most frequent co-authors are John Paul Christodouleas, MD (5 shared papers), Ronac Mamtani, MD (4 shared papers) and Krishnansu Sujata Tewari, MD (4 shared papers).
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