John Calvert Sewell, MD
Family Medicine Physician · Denton, MD
John Calvert Sewell, MD is a family medicine physician with a practice address in Denton, Maryland, and NPI 1083689152, issued on Feb 21, 2006. Check the license (Maryland D0011634, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Calvert Sewell
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0011634 MD
Self-reported in NPPES; status is on the state search - Practice location
- 609 Daffin LN, Denton, MD 21629
- Phone
- (410) 479-2650
- Enumerated
- Feb 21, 2006
- Record last updated
- Aug 3, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 479-1626
- Entity
- Type 1 · individual
Also registered at 609 Daffin LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Bortko, F.N.P.Family Nurse Practitioner1518062892
- Sheri Moore, DOPediatrics Physician1538134606
- Kevin Tate, M.D.Family Medicine Physician1437169729
Verify John Calvert Sewell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0011634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7 family medicine physician records list a practice address in Denton
They are 7 of the 161 NPPES records with a practice address in Denton, and 1,912 family medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7 in Denton → All 1,912 in Maryland → Every provider in Denton →
Other family medicine physician records in Maryland
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- Ndubuisi Achufusi, M.D.Greenbelt, MD1124057260
- Jose Acol, MDMount Airy, MD1801890306
- Phyllis Acquah, M.D.Silver Spring, MD1285996868
- Charles Adamo, M.D.Annapolis, MD1063437358
- Gillian Adams, M.D.Bel Air, MD1912086794
- Jerry Adams, M.D.Lavale, MD1710088265
- Ifeoluwa AdekanyeDundalk, MD1699419804
Common questions
What is John Calvert Sewell, MD's NPI number?
John Calvert Sewell, MD's National Provider Identifier (NPI) is 1083689152, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Calvert Sewell, MD located?
The NPPES record lists a practice address at 609 Daffin LN, Denton, MD, 21629. Phone: (410) 479-2650. Providers update this record themselves, so call before visiting.
How can I verify John Calvert Sewell, MD's license?
NPPES lists Maryland license number D0011634, 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.
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.