NPPES file of Aug 9, 2026

Stewart James Callis, MD

Psychiatry Physician · Oakland, MD

Stewart James Callis, MD is a psychiatry physician with a practice address in Oakland, Maryland, and NPI 1982671723, issued on Mar 1, 2006. Check the license (Maryland D35577, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982671723
Name
Stewart James Callis
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
D35577 MD
Self-reported in NPPES; status is on the state search
Practice location
317 E Oak St, Oakland, MD 21550
Phone
(301) 334-5281
Enumerated
Mar 1, 2006
Record last updated
Nov 7, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(301) 334-2535
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Stewart James Callis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D35577    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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Psychiatry Physician providers in Maryland

There are 1,451 psychiatry physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,451 in Maryland → Every provider in Oakland →

Other psychiatry physician records in Maryland

  1. Hina Aamir, M.D.Aberdeen, MD1376777979
  2. Scott Aaronson, M.D.Baltimore, MD1376610790
  3. Archil Abashidze, MDGlen Burnie, MD1891717757
  4. Muhammad Abbas, M.D.Sykesville, MD1801898168
  5. Safiyyah Abdul Rahman, MDBaltimore, MD1669691416
  6. Eapen Abraham, M. D.Perry Point, MD1467415521
  7. Vinod AbrahamHollywood, MD1457438350
  8. Scott AbrahamsonHagerstown, MD1710515465
  9. Somya Abubucker, MDBaltimore, MD1033508361
  10. Elia Acevedo Diaz, M.DGaithersburg, MD1750720553

Common questions

What is Stewart James Callis, MD's NPI number?

Stewart James Callis, MD's National Provider Identifier (NPI) is 1982671723, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stewart James Callis, MD located?

The NPPES record lists a practice address at 317 E Oak St, Oakland, MD, 21550. Phone: (301) 334-5281. Providers update this record themselves, so call before visiting.

How can I verify Stewart James Callis, MD's license?

NPPES lists Maryland license number D35577, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.