Marshall Summar, MD
Clinical Genetics (M.D.) Physician · Chevy Chase, MD
Marshall Summar, MD is a clinical genetics (m.d.) physician with a practice address in Chevy Chase, Maryland, and NPI 1336231745, issued on Sep 30, 2006. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marshall Summar
- Credential
- MD
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License number
- MD20951 TN
Self-reported in NPPES; status is on the state search - Practice location
- 5550 Friendship Blvd Ste 580, Chevy Chase, MD 20815
- Phone
- (202) 379-8295
- Enumerated
- Sep 30, 2006
- Record last updated
- Oct 18, 2023
- Entity
- Type 1 · individual
8 nearest clinical genetics (m.d.) physician records → All 48 in Maryland → Look up another NPI →
Also registered at 5550 Friendship Blvd Ste 580
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Freishtat, MD, MPHPediatric Emergency Medicine (Pediatrics) Physician1376543694
- Tamanna Roshan Lal, MB CHBMedical Biochemical Genetics1699069591
Verify Marshall Summar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marshall Summar among 48 clinical genetics (m.d.) physician records in Maryland
Marshall Summar, MD is one of 48 clinical genetics (m.d.) physician records with a practice address in Maryland. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 65% newer
- In a Medicare fileNo · 50% of these records are
- In the CMS Doctors and Clinicians fileNo · 33% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207SG0201X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Genetics (M.D.) Physician providers in Maryland
There are 48 clinical genetics (m.d.) physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 48 in Maryland → Every provider in Chevy Chase → Clinical Genetics (M.D.) Physician nationwide →
The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes
- Nicola Ho, M.D.Bethesda, MD 208141932251121
- Evelyn Karson, PHD MDBethesda, MD 208141174540827
- Mickey Kuo, M.D.Bethesda, MD 208141982090692
- Maximilian Muenke, M.D.Bethesda, MD 208141477985851
- Francis Rossignol, MD, FRCPC, DABMGGBethesda, MD 208141053891358
- Alexander Katz, MDBethesda, MD 208171891016259
- Jeffrey Green, MDPotomac, MD 208541497246649
- Jasmin RoohiSuitland, MD 207461487978128
Common questions
What is Marshall Summar, MD's NPI number?
Marshall Summar, MD's National Provider Identifier (NPI) is 1336231745, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Summar, MD located?
The NPPES record lists a practice address at 5550 Friendship Blvd Ste 580, Chevy Chase, MD, 20815. Phone: (202) 379-8295. Providers update this record themselves, so call before visiting.
How can I verify Marshall Summar, MD's license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.