Graft vs Host DiseaseHematologic NeoplasmsHematopoietic Stem Cell Transplantation
Dr. Robert John Greiner, MD
NPI1477744258
- Publications
- 20
- Clinical trials
- 2
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Industry payments
- $61
- Practice address
- 500 University Drive, Hershey, PA 17033
- Practice phone
- Call (717) 531-8521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Greiner's professional email, personal email and mobile number
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Dr. Robert John Greiner is a pediatric hematology and oncology physician in Hershey, Pennsylvania
Dr. Greiner practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State.
Dr. Greiner's NPI, 1477744258, was assigned on August 6, 2007. Dr. Greiner graduated from Jefferson Medical College of Thomas Jefferson University in 2003. Dr. Greiner holds Pennsylvania license MD436460.
NPI and contact details
- NPI
- 1477744258NPI Registry (opens in a new tab)
- NPI enumeration date
- August 6, 2007
- NPI status
- Active
- Practice phone
- (717) 531-8521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert John Greiner practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania
Dr. Greiner's primary practice is Penn State Health Milton S. Hershey Medical Center, at 500 University Drive, Hershey, PA 17033 in Dauphin County. The practice phone is (717) 531-8521.
- Penn State Health Milton S. Hershey Medical Center500 University Drive, Hershey, PA 17033 · Dauphin CountyPhone(717) 531-8521
Source: Dmand AI Affiliation Data
Dr. Robert John Greiner is affiliated with 1 site of care and 1 medical group
Dr. Greiner's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Dmand AI also links Dr. Greiner to 1 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. Robert John Greiner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greiner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn State Health Milton S. Hershey Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Greiner practices
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Dr. Robert John Greiner is one of 179 pediatric hematologys and oncology physicians in Pennsylvania
Pediatric hematology-oncology is Dr. Greiner's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dr. Greiner is licensed in Pennsylvania.
Specialties and state licenses
- Pediatric hematology and oncology, PennsylvaniaPrimary
Pediatric hematologys and oncology physicians near Dr. Greiner
Counts of pediatric hematologys and oncology physicians with a Dmand AI profile, by place and practice. Each opens the list.
179pediatric hematologys and oncology physicians in Pennsylvania16pediatric hematologys and oncology physicians in Hershey16pediatric hematologys and oncology physicians at Penn State Health Milton S. Hershey Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert John Greiner's patients have a median age of 16
Across all payers, Dmand AI patient panel data puts Dr. Greiner's median patient age at 16, with 0% women.
Dr. Greiner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 16
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Robert John Greiner scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Greiner for performance year 2024, reported as part of a group.
Dr. Greiner's MIPS scores, performance year 2024
- 79of 100Final score
- 56.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Dr. Robert John Greiner has 20 publications on record
Dmand AI links 20 papers to Dr. Greiner, published from 2013 to 2025. 2022 was the busiest year, with 3. The most frequent topics are Hematopoietic Stem Cell Transplantation, Graft vs Host Disease and Chimerism. Dr. Greiner has published most often in Cureus. Dr. Greiner's most frequent co-authors are Shin Mineishi, MD, David F. Claxton, MD and Seema Girish Naik, MD.
Papers20
Years published2013 to 2025
Dr. Greiner's papers by year, 2013 to 2025
Topics Dr. Greiner writes about most
- Hematopoietic Stem Cell Transplantation
- Graft vs Host Disease
- Chimerism
- Transplantation, Homologous
- Cyclophosphamide
- Transplantation Conditioning
- Hematologic Neoplasms
- Leukemia, Myeloid, Acute
Dr. Greiner's most frequent co-authors
- Shin Mineishi, MD7 shared papers
- David F. Claxton, MD6 shared papers
- Seema Girish Naik, MD5 shared papers
Recent publications by Dr. Greiner
CyclophosphamideCytopeniaGraft Rejection
Behavior TherapyCancer SurvivorsExercise
ChimerismHematopoietic Stem Cell TransplantationHigh-Throughput Nucleotide Sequencing
ChimerismCyclophosphamideGraft vs Host Disease
See who Dr. Greiner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greiner works with, so you can find a warm path to the right pediatric hematologys and oncology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert John Greiner has worked on 2 clinical trials
Dmand AI links Dr. Greiner to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Hepatic Veno-Occlusive Disease, Neoplasm, Residual and Burkitt Lymphoma.
Clinical trials with Dr. Greiner by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. Greiner's trials
- Hepatic Veno-Occlusive Disease
- Neoplasm, Residual
- Burkitt Lymphoma
- Liver Diseases
Investigators on the most trials with Dr. Greiner
- Anne L. Angiolillo, MD1 shared trial
- Rajinder P. S. Bajwa, MBBS, MD1 shared trial
- Sima T. Bhatt, MD1 shared trial
Recent clinical trials with Dr. Greiner
Study of Efficacy and Safety of Tisagenlecleucel in HR B-ALL EOC MRD Positive Patients (opens in a new tab)
Active, not recruitingPhase 2
Neoplasm, ResidualBurkitt LymphomaCTL019
Hepatic Veno-Occlusive DiseaseLiver DiseasesDefibrotide
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Robert John Greiner received $61 in industry payments in 2024
CMS Open Payments shows 3 general payments to Dr. Greiner from 3 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $25.
Companies that paid Dr. Greiner the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert John Greiner graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Greiner graduated from Jefferson Medical College of Thomas Jefferson University in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert John Greiner'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 |
| 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) |
| 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. Robert John Greiner
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. Robert John Greiner's NPI number?
Dr. Robert John Greiner's NPI number is 1477744258. It was assigned on August 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert John Greiner?
Dr. Robert John Greiner is a pediatric hematology and oncology physician in Hershey, Pennsylvania. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).
Where does Dr. Robert John Greiner practice?
Dr. Greiner practices at 500 University Drive, Hershey, PA 17033. Dr. Greiner's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Dmand AI also links Dr. Greiner to 1 medical group.
What is Dr. Robert John Greiner's office phone number?
The practice phone on file for Dr. Greiner is (717) 531-8521.
What is Dr. Robert John Greiner's medical license number?
Dr. Greiner holds Pennsylvania license MD436460.
Which hospitals is Dr. Robert John Greiner affiliated with?
Dr. Greiner practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania.
What is Dr. Robert John Greiner's MIPS score?
Dr. Greiner's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Where did Dr. Robert John Greiner go to medical school?
Dr. Greiner graduated from Jefferson Medical College of Thomas Jefferson University in 2003.
Has Dr. Robert John Greiner received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Dr. Greiner from 3 companies from 2024 to 2024. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has Dr. Robert John Greiner been practicing?
Dr. Greiner graduated from medical school in 2003, 23 years ago.
Does Dr. Robert John Greiner do research?
Dmand AI links 20 publications to Dr. Greiner, published from 2013 to 2025. Dr. Greiner has worked on 2 clinical trials.
Who does Dr. Robert John Greiner publish with?
Dr. Greiner's most frequent co-authors are Shin Mineishi, MD (7 shared papers), David F. Claxton, MD (6 shared papers) and Seema Girish Naik, MD (5 shared papers).
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