Larissa Severine May, MD
Emergency Medicine Physician · Washington, DC
Larissa Severine May, MD is an emergency medicine physician with a practice address in Washington, District of Columbia, and NPI 1083624282, issued on Aug 9, 2006. Check the license (District of Columbia MD035802, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Larissa Severine May
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD035802 DC
Self-reported in NPPES; status is on the state search - Practice location
- 900 23RD St NW, Washington, DC 20037
- Phone
- (202) 741-2911
- Enumerated
- Aug 9, 2006
- Record last updated
- Jan 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 037793300 DC
- Medicare enrollment
- Enrolled (PECOS I20150720002365); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 360 in District of Columbia → Look up another NPI →
Also registered at 900 23RD St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Larissa Severine May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD035802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average emergency medicine physician in 2024
47 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,926.19
6 payments; by number, the most common kind was food and beverage; the largest payer was GenMark Diagnostics, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Larissa Severine May among 360 emergency medicine physician records in District of Columbia
Larissa Severine May, MD is one of 360 emergency medicine physician records with a practice address in District of Columbia. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 68% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2002 · median 2014 among the 160 with a school on file
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
360 emergency medicine physician records list a practice address in Washington
They are 360 of the 45,857 NPPES records with a practice address in Washington, and 360 emergency medicine physician records in District of Columbia.
All 360 in District of Columbia → Every provider in Washington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Keith Boniface, MDWashington, DC 200371659329498
- Yolanda Haywood, MDWashington, DC 200371326058231
- Thomas Kirsch, M.D.Washington, DC 200371790726776
- John Lafleur, MDWashington, DC 200371992719108
- Jennifer Lee, MDWashington, DC 200371295838613
- David Marcozzi, M.D., MHS-CLWashington, DC 200371154405033
- Andrew Meltzer, M.D.Washington, DC 200371366478505
- Bruno Petinaux, MDWashington, DC 200371558347930
Common questions
What is Larissa Severine May, MD's NPI number?
Larissa Severine May, MD's National Provider Identifier (NPI) is 1083624282, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Larissa Severine May, MD located?
The NPPES record lists a practice address at 900 23RD St NW, Washington, DC, 20037. Phone: (202) 741-2911. Providers update this record themselves, so call before visiting.
How can I verify Larissa Severine May, MD's license?
NPPES lists District of Columbia license number MD035802, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Larissa Severine May, MD prescribe under Medicare Part D?
In 2024, Larissa Severine May, MD had 47 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.