James McQuiston, M.D.
Emergency Medicine Physician · Leonardtown, MD
James McQuiston, M.D. is an emergency medicine physician with a practice address in Leonardtown, Maryland, and NPI 1326071994, issued on Jul 8, 2006. Check the license (Maryland D62796, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- James McQuiston
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D62796 MD
Self-reported in NPPES; status is on the state search - Practice location
- 25500 Point Lookout Road, Leonardtown, MD 20650
- Phone
- (301) 279-6550
- Enumerated
- Jul 8, 2006
- Record last updated
- Aug 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 25500 Point Lookout Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Allen, M.D.Internal Medicine Physician1558421305
- James DamaloujiEmergency Medicine Physician1023042694
- Erin Hickey, M.D.Pediatrics Physician1649213802
- Jennifer McQuiston, MDEmergency Medicine Physician1740214261
- Melissa Meghpara, DOVascular Surgery Physician1396124350
- Rajesh Mehta, R.PH.Pharmacist1184747669
Verify James McQuiston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D62796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average emergency medicine physician in 2024
109 Medicare Part D claims for 66 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 20 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen16 claims
- Ondansetron Odt13 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.
James McQuiston among 1,190 emergency medicine physician records in Maryland
James McQuiston, M.D. is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2007 · 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 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 emergency medicine physician records list a practice address in Leonardtown
They are 14 of the 471 NPPES records with a practice address in Leonardtown, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Leonardtown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Avery Alatis, MDLeonardtown, MD 206501992201438
- Alexandra Campbell, M.D.Leonardtown, MD 206501467895284
- James DamaloujiLeonardtown, MD 206501023042694
- Jasmine Gentry, MDLeonardtown, MD 206501194304550
- Jennifer McQuiston, MDLeonardtown, MD 206501740214261
- Peter PrenticeLeonardtown, MD 206501194759647
- Lars Reinhart, M.D.Leonardtown, MD 206501972509008
- Emily Sealy, MDLeonardtown, MD 206501568106656
Common questions
What is James McQuiston, M.D.'s NPI number?
James McQuiston, M.D.'s National Provider Identifier (NPI) is 1326071994, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James McQuiston, M.D. located?
The NPPES record lists a practice address at 25500 Point Lookout Road, Leonardtown, MD, 20650. Phone: (301) 279-6550. Providers update this record themselves, so call before visiting.
How can I verify James McQuiston, M.D.'s license?
NPPES lists Maryland license number D62796, as entered by the provider. 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.
How much does James McQuiston, M.D. prescribe under Medicare Part D?
In 2024, James McQuiston, M.D. had 109 Medicare Part D claims for 66 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.