Glutathione Peroxidase
Dr. Marshall Summar, MD
NPI1336231745
- Publications
- 150
- Clinical trials
- 6
- Industry payments
- $21,478
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 5550 Friendship Blvd Ste 580 Suite 580, Chevy Chase, MD 20815
- Practice phone
- Call (240) 338-1217
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital - Chevy Chase
Pediatric practice · Chevy Chase, Maryland
Find Dr. Summar'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. Marshall Summar is a clinical genetics (m.d.) physician in Washington, District of Columbia
Dr. Summar practices at Children's Hospital - Chevy Chase in Chevy Chase, Maryland.
Dr. Summar's NPI, 1336231745, was assigned on September 30, 2006. Dr. Summar graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 1985. Dr. Summar's Tennessee license number on file is MD20951.
NPI and contact details
- NPI
- 1336231745NPI Registry (opens in a new tab)
- NPI enumeration date
- September 30, 2006
- NPI status
- Active
- Practice phone
- (240) 338-1217
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marshall Summar practices in Chevy Chase and Washington
Dr. Summar's primary practice is Children's Hospital - Chevy Chase, at 5550 Friendship Blvd Ste 580 Suite 580, Chevy Chase, MD 20815. The practice phone is (240) 338-1217. The NPI Registry lists Dr. Summar's practice address as 111 Michigan NW Ave, Washington, DC 20010.
- Children's Hospital - Chevy ChasePrimary5550 Friendship Blvd Ste 580 Suite 580, Chevy Chase, MD 20815Phone(240) 338-1217
- NPI Registry address111 Michigan NW Ave, Washington, DC 20010 · District Of Columbia CountyPhone(202) 379-8295
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Marshall Summar is affiliated with 1 site of care and 1 medical group
Dr. Summar's primary practice is Children's Hospital - Chevy Chase in Chevy Chase, Maryland. The medical group on file is Children's National Hospital.
Children's Hospital - Chevy ChasePrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Marshall Summar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Summar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital - Chevy Chase | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marshall Summar is one of 14 clinical genetics (m.d.) physicians in District of Columbia
Clinical genetics (m.d.) is Dr. Summar's primary specialty in the NPI Registry, under taxonomy code 207SG0201X. Dr. Summar is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics. Dmand AI has Dr. Summar's licenses on file in 4 states: Tennessee, District of Columbia, Virginia and Maryland.
Specialties and state licenses
- Clinical genetics (m.d.), TennesseePrimary
- District of Columbia license
- Virginia license
- Maryland license
Clinical genetics (m.d.) physicians near Dr. Summar
Counts of clinical genetics (m.d.) physicians with a Dmand AI profile, by place and practice. Each opens the list.
14clinical genetics (m.d.) physicians in District of Columbia14clinical genetics (m.d.) physicians in Washington
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marshall Summar has 150 publications on record
Dmand AI links 150 papers to Dr. Summar, published from 2004 to 2024. 2015 was the busiest year, with 10. The most frequent topics are Citrulline, Nitric Oxide and Urea. Dr. Summar has published most often in Mol Genet Metab. Dr. Summar's most frequent co-authors are Judy L. Aschner, MD, Frederick E. Barr, MD and Candice Fike, MD.
Papers150
Years published2004 to 2024
Dr. Summar's papers by year, 2014 to 2024
Topics Dr. Summar writes about most
- Citrulline
- Nitric Oxide
- Urea
- Hyperammonemia
- Polymorphism, Genetic
- Amino Acid Metabolism, Inborn Errors
- Hypertension, Pulmonary
- Urea Cycle Disorders, Inborn
Dr. Summar's most frequent co-authors
- Judy L. Aschner, MD12 shared papers
- Frederick E. Barr, MD10 shared papers
- Candice Fike, MD7 shared papers
Recent publications by Dr. Summar
Pharmaceut Med
Biomedical ResearchCultural DiversityDiversity, Equity, Inclusion
Int J Environ Res Public Health
Health PolicyRare Diseases
Am J Med Genet A
AnthropometryChild DevelopmentNutritional Status
See who Dr. Summar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Summar works with, so you can find a warm path to the right clinical genetics (m.d.) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marshall Summar has worked on 6 clinical trials
Dmand AI links Dr. Summar to 6 clinical trials, 2 of them phase 1 studies. Conditions studied include Anemia, Sickle Cell, Ornithine Carbamoyltransferase Deficiency Disease and Anemia, Hemolytic, Congenital. Nicholas Ah Mew sponsors the most, 2.
Clinical trials with Dr. Summar by phase
- 2Phase 1: 2 trials
- 2Phase 1/2: 2 trials
- 1Phase 2: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Summar's trials
- Anemia, Sickle Cell
- Ornithine Carbamoyltransferase Deficiency Disease
- Anemia, Hemolytic, Congenital
- Urea Cycle Disorders, Inborn
- Heart Defects, Congenital
Investigators on the most trials with Dr. Summar
- Frederick E. Barr, MD1 shared trial
- Jennifer L. Gannon, MD1 shared trial
- Suvankar Majumdar, MD1 shared trial
Recent clinical trials with Dr. Summar
Manipulating the Gut Microbiome Study (opens in a new tab)
TerminatedPhase 1/2
Ornithine Carbamoyltransferase Deficiency DiseaseUrea Cycle Disorders, InbornAcetohydroxamic Acid Oral Tablet
Study of HST5040 in Subjects With Propionic or Methylmalonic Acidemia (opens in a new tab)
TerminatedPhase 2
Methylmalonic acidemiaPropionic AcidemiaHST5040
Ornithine Carbamoyltransferase Deficiency DiseaseUrea Cycle Disorders, InbornAcetohydroxamic Acid Oral Tablet
A Phase 1 Study of Continuous Intravenous L-citrulline During Sickle Cell Pain Crisis or Acute Chest Syndrome (opens in a new tab)
CompletedPhase 1
Anemia, Sickle CellAnemia, Hemolytic, CongenitalIntravenous citrulline
A Dose Escalation Study of Intravenous L-citrulline in Steady-state Sickle Cell Disease (opens in a new tab)
CompletedPhase 1
Anemia, Sickle CellAnemia, Hemolytic, CongenitalIntravenous (IV) citrulline
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Marshall Summar received $21,478 in industry payments from 2016 to 2023
CMS Open Payments shows 20 general payments to Dr. Summar from 4 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 53% of the total. BioMarin Pharmaceutical Inc. paid the most, $11,563.
General payments to Dr. Summar by program year, 2016 to 2023
General payments to Dr. Summar by kind, 2016 to 2023
$21.5Kin total
- Travel and lodging$11,45553%
- Speaker and faculty fees$8,50040%
- Food and beverage$1,5227%
Companies that paid Dr. Summar the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marshall Summar has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Summar, most recently Best Doctors in America™ in 2017. Dr. Summar serves on Global Commission to End the Diagnostic Odyssey for Children with a Rare Disease., Board of Directors National Organization of Rare Diseses and Board National Organization for Rare Disorders.
Awards and honors for Dr. Summar
- 2017
- Best Doctors in America™
- 2005
- Grant Liddle Research Award
- 1990
- Postdoctoral Fellowship, Diabetes Training Grant (NIH Grant T33DK070601)
- Undated
- Super Doc
Dr. Summar's committees and leadership roles
- Global Commission to End the Diagnostic Odyssey for Children with a Rare Disease.Comissioner
- 2018 to present
- Board of Directors National Organization of Rare DisesesChairman
- 2015 to present
- Board National Organization for Rare DisordersMember
- 2012 to present
- NIH Genetics Training Programmember
- 2010 to present
- Board of Directors Society of Inherited Metabolic DIsordersPresident-Elect
- 2006 to present
Source: Dmand AI Professional Profile Data
Dr. Marshall Summar graduated from University of Tennessee Health Science Center College of Medicine - Memphis
Dr. Summar graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 1985. Dr. Summar is a member of AAP, American College of Medical Genetics, American Society of Human Genetics, Society for Inherited Metabolic Diseases and Society for the Study of Inborn Errors of Metabolism.
- Medical school
- Board certified in clinical biochemical genetics
- Board certified in clinical genetics and genomics
Source: Dmand AI Professional Profile Data
Dr. Marshall Summar accepts plans from 10 insurance carriers
Dr. Summar is in network with 10 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- CareFirst BlueCross BlueShield
- Molina
- Blue Cross Blue Shield of Michigan
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Summar accepts, by number of carriers
- PPO6
- HMO5
- Medicare5
- POS5
- EPO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Marshall Summar'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors 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 |
| 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. Marshall Summar
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. Marshall Summar's NPI number?
Dr. Marshall Summar's NPI number is 1336231745. It was assigned on September 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marshall Summar?
Dr. Marshall Summar is a clinical genetics (m.d.) physician in Washington, District of Columbia. The primary specialty in the NPI Registry is Clinical Genetics (M.D.) Physician (taxonomy code 207SG0201X).
Where does Dr. Marshall Summar practice?
Dr. Summar practices at 5550 Friendship Blvd Ste 580 Suite 580, Chevy Chase, MD 20815. Dr. Summar also practices at 111 Michigan NW Ave, Washington, DC 20010. Dr. Summar's primary practice is Children's Hospital - Chevy Chase in Chevy Chase, Maryland.
What is Dr. Marshall Summar's office phone number?
The practice phone on file for Dr. Summar is (240) 338-1217.
What is Dr. Marshall Summar's medical license number?
Dr. Summar's Tennessee license number on file is MD20951, one of the licenses on file in 4 states.
Which states has Dr. Marshall Summar been licensed in?
Dmand AI has state licenses on file for Dr. Summar in Tennessee (1990 to 2011), District of Columbia (2010 to 2027), Virginia (2010 to 2026) and Maryland (2010 to 2025).
What medical group is Dr. Marshall Summar part of?
Dr. Summar is linked to Children's National Hospital.
Is Dr. Marshall Summar board certified?
Yes. Dr. Summar is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics.
Where did Dr. Marshall Summar go to medical school?
Dr. Summar graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 1985.
Has Dr. Marshall Summar received payments from drug or device companies?
CMS Open Payments shows $21,478 in general payments to Dr. Summar from 4 companies from 2016 to 2023. The largest total came from BioMarin Pharmaceutical Inc.
Show 4 more questionsShow fewer questions
How long has Dr. Marshall Summar been practicing?
Dr. Summar graduated from medical school in 1985, 41 years ago.
Does Dr. Marshall Summar do research?
Dmand AI links 150 publications to Dr. Summar, published from 2004 to 2024. Dr. Summar has worked on 6 clinical trials.
Who does Dr. Marshall Summar publish with?
Dr. Summar's most frequent co-authors are Judy L. Aschner, MD (12 shared papers), Frederick E. Barr, MD (10 shared papers) and Candice Fike, MD (7 shared papers).
What insurance does Dr. Marshall Summar accept?
Dr. Summar is in network with 10 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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