Dr. David John Keljo, MD, PhD
- Publications
- 53
- Clinical trials
- 4
- Industry payments
- $193
- Insurance carriers
- 3
- State licenses
- 2
- Practice address
- 4401 Penn Ave, Pittsburgh, PA 15224
- Practice phone
- Call (412) 692-5180
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Keljo'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. David John Keljo is a pediatric gastroenterology physician in Pittsburgh, Pennsylvania
Dr. Keljo practices in Pittsburgh, Pennsylvania.
Dr. Keljo's NPI, 1639143100, was assigned on February 14, 2006. Dr. Keljo graduated from Perelman School of Medicine - Philadelphia in 1977. Dr. Keljo's Pennsylvania license number on file is MD073139L.
- NPI
- 1639143100NPI Registry (opens in a new tab)
- NPI enumeration date
- February 14, 2006
- NPI status
- Active
- Practice phone
- (412) 692-5180
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. David John Keljo's practice address is in Pittsburgh, Pennsylvania
Dr. Keljo's practice address in the NPI Registry is 4401 Penn Ave, Pittsburgh, PA 15224, in Allegheny County. The practice phone is (412) 692-5180.
- NPI Registry address4401 Penn Ave, Pittsburgh, PA 15224 · Allegheny CountyPhone(412) 692-5180
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David John Keljo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keljo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Keljo's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David John Keljo is one of 135 pediatric gastroenterology physicians in Pennsylvania
Pediatric gastroenterology is Dr. Keljo's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Keljo is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Keljo's licenses on file in 2 states: Pennsylvania and Texas.
Specialties and state licenses
- Pediatric gastroenterology, PennsylvaniaPrimary
- Texas license
Pediatric gastroenterology physicians near Dr. Keljo
Counts of pediatric gastroenterology physicians 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. David John Keljo's patients have a median age of 25
Across all payers, Dmand AI patient panel data puts Dr. Keljo's median patient age at 25, with 33% women.
Dr. Keljo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 25
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. David John Keljo has 53 publications on record
Dmand AI links 53 papers to Dr. Keljo, published from 2007 to 2024. 2010 was the busiest year, with 4. The most frequent topics are Crohn Disease, Colitis, Ulcerative and Anti-Inflammatory Agents. Dr. Keljo has published most often in J Pediatr Gastroenterol Nutr. Dr. Keljo's most frequent co-authors are Jeffrey S. Hyams, MD, Neal Leleiko, MD and Athos Bousvaros, MD, MPH.
Dr. Keljo's papers by year, 2007 to 2024
Topics Dr. Keljo writes about most
- Crohn Disease
- Colitis, Ulcerative
- Anti-Inflammatory Agents
- Inflammatory Bowel Diseases
- Adrenal Cortex Hormones
- Antibodies, Monoclonal
- Depression
- Infliximab
Dr. Keljo's most frequent co-authors
- Jeffrey S. Hyams, MD22 shared papers
- Neal Leleiko, MD20 shared papers
- Athos Bousvaros, MD, MPH19 shared papers
Recent publications by Dr. Keljo
Contemp Clin Trials
Clin Gastroenterol Hepatol
J Clin Invest
See who Dr. Keljo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keljo works with, so you can find a warm path to the right pediatric gastroenterology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David John Keljo has worked on 4 clinical trials
Dmand AI links Dr. Keljo to 4 clinical trials, 2 of them phase 4 studies. Conditions studied include Colitis, Ulcerative, Colitis and Inflammatory Bowel Diseases. Connecticut Children's Medical Center sponsors the most, 2.
Clinical trials with Dr. Keljo by phase
- 1Phase 1: 1 trial
- NonePhase 2: no trials
- NonePhase 3: no trials
- 2Phase 4: 2 trials
Conditions in Dr. Keljo's trials
- Colitis, Ulcerative
- Colitis
- Inflammatory Bowel Diseases
- Parasomnias
- Fatigue
Investigators on the most trials with Dr. Keljo
- Jeffrey S. Hyams, MD2 shared trials
- Neal Leleiko, MD2 shared trials
- Maria M. Oliva-Hemker, MD2 shared trials
Recent clinical trials with Dr. Keljo
Treating Disrupted Sleep in Individuals With Inflammatory Bowel Disease (opens in a new tab)
Pediatric Inflammatory Bowel Disease Collaborative Research Group Registry (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. David John Keljo received $193 in industry payments from 2017 to 2020
CMS Open Payments shows 3 general payments to Dr. Keljo from 1 drug or device company from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $193.
General payments to Dr. Keljo by program year, 2017 to 2020
Companies that paid Dr. Keljo the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David John Keljo has 1 award and honors on record
Dmand AI lists 1 award for Dr. Keljo.
Awards and honors for Dr. Keljo
- Undated
- Best Doctors in America
Source: Dmand AI Professional Profile Data
Dr. David John Keljo graduated from Perelman School of Medicine - Philadelphia
Dr. Keljo graduated from Perelman School of Medicine - Philadelphia in 1977.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. David John Keljo accepts plans from 3 insurance carriers
Dr. Keljo is in network with 3 carriers, including Amerihealth Caritas, AR State Medicaid and WV State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Amerihealth Caritas
- AR State Medicaid
- WV State Medicaid
Plan types Dr. Keljo accepts, by number of carriers
- Medicaid2
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. David John Keljo'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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. David John Keljo
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. David John Keljo's NPI number?
Dr. David John Keljo's NPI number is 1639143100. It was assigned on February 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David John Keljo?
Dr. David John Keljo is a pediatric gastroenterology physician in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. David John Keljo practice?
Dr. Keljo practices at 4401 Penn Ave, Pittsburgh, PA 15224.
What is Dr. David John Keljo's office phone number?
The practice phone on file for Dr. Keljo is (412) 692-5180.
What is Dr. David John Keljo's medical license number?
Dr. Keljo's Pennsylvania license number on file is MD073139L, one of the licenses on file in 2 states.
Which states has Dr. David John Keljo been licensed in?
Dmand AI has state licenses on file for Dr. Keljo in Pennsylvania (2001 to 2021) and Texas (1984 to 2001).
Is Dr. David John Keljo board certified?
Yes. Dr. Keljo is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. David John Keljo go to medical school?
Dr. Keljo graduated from Perelman School of Medicine - Philadelphia in 1977.
Has Dr. David John Keljo received payments from drug or device companies?
CMS Open Payments shows $193 in general payments to Dr. Keljo from 1 company from 2017 to 2020. The largest total came from Abbvie Inc.
How long has Dr. David John Keljo been practicing?
Dr. Keljo graduated from medical school in 1977, 49 years ago.
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Does Dr. David John Keljo do research?
Dmand AI links 53 publications to Dr. Keljo, published from 2007 to 2024. Dr. Keljo has worked on 4 clinical trials.
Who does Dr. David John Keljo publish with?
Dr. Keljo's most frequent co-authors are Jeffrey S. Hyams, MD (22 shared papers), Neal Leleiko, MD (20 shared papers) and Athos Bousvaros, MD, MPH (19 shared papers).
What insurance does Dr. David John Keljo accept?
Dr. Keljo is in network with 3 carriers, including Amerihealth Caritas, AR State Medicaid and WV State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
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