John D. Morrissey, MD
Critical Care Medicine (Internal Medicine) Physician · Washington, DC
John D. Morrissey, MD is a critical care medicine (internal medicine) physician with a practice address in Washington, District of Columbia, and NPI 1740293984, issued on Aug 15, 2006. Check the license (District of Columbia MD20772, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John D. Morrissey
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- MD20772 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Varnum St NE, Washington, DC 20017
- Phone
- (202) 269-7000
- Enumerated
- Aug 15, 2006
- Record last updated
- Jul 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210819001152); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1987
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 49 in District of Columbia → Look up another NPI →
Also registered at 1150 Varnum St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John D. Morrissey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD20772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5 hospitals and group practices
- Mcleod Health ClarendonManning, SC · Acute Care Hospitals3 of 5 stars
- Augusta Medical GroupFishersville, VA
- Dimensions Healthcare Associates, IncUpper Marlboro, MD
- Mcleod Regional Medical Center OF The Pee Dee IncFlorence, SC
- West Tennessee Healthcare Hospitalists IncJackson, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John D. Morrissey among 49 critical care medicine (internal medicine) physician records in District of Columbia
John D. Morrissey, MD is one of 49 critical care medicine (internal medicine) physician records with a practice address in District of Columbia. 84% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 61% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1987 · median 2010 among the 39 with a school on file
- Record last updated2013 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X 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).
Critical Care Medicine (Internal Medicine) Physician providers in District of Columbia
There are 49 critical care medicine (internal medicine) physician records in District of Columbia.
All 49 in District of Columbia → Every provider in Washington → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Peter Eichacker, MDWashington, DC 200171740299866
- Roxana Amirahmadi, MDWashington, DC 200161063918076
- Jacob Collen, M.D.Washington, DC 200161528164704
- Christopher Frohne, M.D.Washington, DC 200161164871752
- Sarbjot Grewal, MDWashington, DC 200161043772437
- William Hutchens, M.D.Washington, DC 200161356316376
- Kellen Mulhern, D.O.Washington, DC 200161043668437
- Zelalem Gebrekidan, RNWashington, DC 200111235891391
Common questions
What is John D. Morrissey, MD's NPI number?
John D. Morrissey, MD's National Provider Identifier (NPI) is 1740293984, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Morrissey, MD located?
The NPPES record lists a practice address at 1150 Varnum St NE, Washington, DC, 20017. Phone: (202) 269-7000. Providers update this record themselves, so call before visiting.
How can I verify John D. Morrissey, MD's license?
NPPES lists District of Columbia license number MD20772, 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.
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.