Antibodies, MonoclonalAntibody FormationAntirheumatic Agents
Dr. Gregory F. Keenan, MD
NPI1205935129
- Publications
- 20
- Industry payments
- $75
- State licenses
- 3
- Year NPI issued
- 2006
- Practice address
- 280 Country Ln, Phoenixville, PA 19460-1706
- Practice phone
- Call (610) 651-6220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Keenan's professional email, personal email and mobile number
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Dr. Gregory F. Keenan is a pediatrician in Phoenixville, Pennsylvania
Dr. Keenan practices in Phoenixville, Pennsylvania.
Dr. Keenan's NPI, 1205935129, was assigned on September 21, 2006. Dr. Keenan graduated from Albany Medical College in 1986. Dr. Keenan's Massachusetts license number on file is 74627.
NPI and contact details
- NPI
- 1205935129NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Practice phone
- (610) 651-6220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Gregory F. Keenan's practice address is in Phoenixville, Pennsylvania
Dr. Keenan's practice address in the NPI Registry is 280 Country Ln, Phoenixville, PA 19460-1706. The practice phone is (610) 651-6220.
- NPI Registry address280 Country Ln, Phoenixville, PA 19460-1706Phone(610) 651-6220
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Gregory F. Keenan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keenan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Keenan's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory F. Keenan is one of 2,468 pediatricians in Pennsylvania
Pediatrics is Dr. Keenan's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Keenan is board certified in rheumatology by the American Board of Internal Medicine. Dmand AI has Dr. Keenan's licenses on file in 3 states: Massachusetts, California and Pennsylvania.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
- California license
- Pennsylvania license
Pediatricians near Dr. Keenan
Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.
2,468pediatricians in Pennsylvania
5pediatricians in Phoenixville
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory F. Keenan has 20 publications on record
Dmand AI links 20 papers to Dr. Keenan, published from 2006 to 2007. The most frequent topics are Antibodies, Monoclonal, Antirheumatic Agents and Infliximab. Dr. Keenan has published most often in J Rheumatol. Dr. Keenan's most frequent co-authors are Kathleen E. Sullivan, MD, PhD, Elaine H. Zackai, MD and Raanan Arens, MD.
Papers20
Years published2006 to 2007
Topics Dr. Keenan writes about most
- Antibodies, Monoclonal
- Antirheumatic Agents
- Infliximab
- Arthritis, Rheumatoid
- Drug Therapy, Combination
- Methotrexate
- Arthritis, Juvenile
- Diagnosis, Differential
Dr. Keenan's most frequent co-authors
- Kathleen E. Sullivan, MD, PhD2 shared papers
- Elaine H. Zackai, MD2 shared papers
- Raanan Arens, MD1 shared paper
Recent publications by Dr. Keenan
Antibodies, MonoclonalAntirheumatic AgentsArthritis, Psoriatic
Am J Gastroenterol
Antibodies, MonoclonalAntirheumatic AgentsArthritis, Rheumatoid
Anti-Inflammatory Agents, Non-SteroidalArthritis, JuvenileInformation Systems
Diagnosis, DifferentialHypothyroidismJoint Diseases
See who Dr. Keenan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keenan works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory F. Keenan received $75 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Keenan from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $75.
Companies that paid Dr. Keenan the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory F. Keenan graduated from Albany Medical College
Dr. Keenan graduated from Albany Medical College in 1986.
- Medical school
- Board certified in rheumatology
- Board certified in pediatric rheumatology
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory F. Keenan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 F. Keenan
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 F. Keenan's NPI number?
Dr. Gregory F. Keenan's NPI number is 1205935129. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory F. Keenan?
Dr. Gregory F. Keenan is a pediatrician in Phoenixville, Pennsylvania. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gregory F. Keenan practice?
Dr. Keenan practices at 280 Country Ln, Phoenixville, PA 19460-1706.
What is Dr. Gregory F. Keenan's office phone number?
The practice phone on file for Dr. Keenan is (610) 651-6220.
What is Dr. Gregory F. Keenan's medical license number?
Dr. Keenan's Massachusetts license number on file is 74627, one of the licenses on file in 3 states.
Which states has Dr. Gregory F. Keenan been licensed in?
Dmand AI has state licenses on file for Dr. Keenan in Massachusetts (1991 to 2016), California (since 1987) and Pennsylvania (1990 to 2026).
Is Dr. Gregory F. Keenan board certified?
Yes. Dr. Keenan is board certified in rheumatology by the American Board of Internal Medicine.
Where did Dr. Gregory F. Keenan go to medical school?
Dr. Keenan graduated from Albany Medical College in 1986.
Has Dr. Gregory F. Keenan received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Dr. Keenan from 1 company from 2023 to 2023. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Gregory F. Keenan been practicing?
Dr. Keenan graduated from medical school in 1986, 40 years ago.
Does Dr. Gregory F. Keenan do research?
Dmand AI links 20 publications to Dr. Keenan, published from 2006 to 2007.
Who does Dr. Gregory F. Keenan publish with?
Dr. Keenan's most frequent co-authors are Kathleen E. Sullivan, MD, PhD (2 shared papers), Elaine H. Zackai, MD (2 shared papers) and Raanan Arens, MD (1 shared paper).
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