Registry data as of Aug 27, 2026

Mark Smith, M.D, PH.D.

Psychiatry Physician · Gaithersburg, MD

Mark Smith, M.D, PH.D. is a psychiatry physician with a practice address in Gaithersburg, Maryland, and NPI 1063432284, issued on Jul 20, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063432284
Name
Mark Smith
Credential
M.D, PH.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
9021 Shady Grove CT, Gaithersburg, MD 20877
Phone
(301) 590-9000
Enumerated
Jul 20, 2006
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.
Download card Updates feed

Also registered at 9021 Shady Grove CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Frey, PH.D.Clinical Psychologist1821119835
  2. Lisa Povich, LCSW-CClinical Social Worker1255651931
  3. Thomas Rea, LCSW-CClinical Social Worker1225154024
  4. Veronica Wright-Richardson, LCSW-CClinical Social Worker1851687834

Verify Mark Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

63% fewer Medicare Part D claims than the average psychiatry physician in 2024

371 Medicare Part D claims for 16 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Mark Smith371
  2. Specialty average1,010

Most prescribed

  1. Clonazepam42 claims
  2. Dextroamphetamine-Amphetamine35 claims
  3. Alprazolam31 claims
  4. Trazodone Hcl20 claims
  5. Lamotrigine17 claims
  6. Desvenlafaxine Succinate Er14 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: $1,458.12

107 payments, mostly food and beverage; the largest payer was Neurocrine Biosciences, Inc.. The 12,691 providers of this specialty with any payment received $4,902.45 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Smith$1,458.12
  2. Specialty average$4,902.45

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

26 psychiatry physician records list a Gaithersburg practice address

They are 26 of the 2,580 NPPES records with a Gaithersburg practice address, and 1,420 psychiatry physician records in Maryland.

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 Mark Smith, M.D, PH.D.'s NPI number?

Mark Smith, M.D, PH.D.'s National Provider Identifier (NPI) is 1063432284, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Smith, M.D, PH.D. located?

The NPPES record lists a practice address at 9021 Shady Grove CT, Gaithersburg, MD, 20877. Phone: (301) 590-9000. Providers update this record themselves, so call before visiting.

How can I verify Mark Smith, M.D, PH.D.'s license?

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 Mark Smith, M.D, PH.D. prescribe under Medicare Part D?

In 2024, Mark Smith, M.D, PH.D. had 371 Medicare Part D claims for 16 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.