NPPES file of Aug 9, 2026

Guy Cameron Williams, M.D.

Psychiatry Physician · Towson, MD

Guy Cameron Williams, M.D. is a psychiatry physician with a practice address in Towson, Maryland, and NPI 1144616178, issued on Apr 7, 2015. Check the license (Maryland D0083270, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144616178
Name
Guy Cameron Williams
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
D0083270 MD
Self-reported in NPPES; status is on the state search
Practice location
6501 N Charles St, Towson, MD 21204
Phone
(410) 938-3000
Enumerated
Apr 7, 2015
Record last updated
Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
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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Also registered at 6501 N Charles St

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

  1. Janet Abrams, MSWClinical Social Worker1346697505
  2. Adekunle Adegbesan, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1710610126
  3. Stefanie Alexander, MD, PDDPsychiatry Physician1407319601
  4. Tahani Alqassem, M.DChild & Adolescent Psychiatry Physician1487819991
  5. Miriam Ambe, PMHNPPsychiatric/Mental Health Nurse Practitioner1255901872
  6. Lauren Anderson, LGSWClinical Social Worker1518454263

Verify Guy Cameron Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0083270
    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

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

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85% fewer Medicare Part D claims than the average psychiatry physician in 2024

153 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Guy Williams153
  2. Specialty average1,000

Most prescribed

  1. Amitriptyline Hcl21 claims
  2. Trazodone Hcl14 claims
  3. Dextroamphetamine-Amphetamine12 claims
  4. Lamotrigine Er12 claims
  5. Clonazepam11 claims
  6. Pregabalin11 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.

Guy Cameron Williams among 1,451 psychiatry physician records in Maryland

Guy Cameron Williams, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.

  • NPI issued2015 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 36% of these records are
  • Record last updated2019 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 psychiatry physician records list a practice address in Towson

They are 71 of the 3,721 NPPES records with a practice address in Towson, and 1,451 psychiatry physician records in Maryland.

The 8 psychiatry physician records with the nearest ZIP codes

  1. David Arnold, M.D.Baltimore, MD 212041700852084
  2. Maurice Bachawati, M.D.Baltimore, MD 212041366425779
  3. Nicola Cascella, M.DBaltimore, MD 212041427007681
  4. Coquilla Cross, MDTowson, MD 212041235197013
  5. Andrew Feinberg, M.D.Towson, MD 212041962432062
  6. Laura Gaffney, M.D.Towson, MD 212041215973441
  7. Oscar Galvis, M.D.Towson, MD 212041275517567
  8. David KaufmanTowson, MD 212041013956358

Common questions

What is Guy Cameron Williams, M.D.'s NPI number?

Guy Cameron Williams, M.D.'s National Provider Identifier (NPI) is 1144616178, issued on Apr 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Guy Cameron Williams, M.D. located?

The NPPES record lists a practice address at 6501 N Charles St, Towson, MD, 21204. Phone: (410) 938-3000. Providers update this record themselves, so call before visiting.

How can I verify Guy Cameron Williams, M.D.'s license?

NPPES lists Maryland license number D0083270, 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 Guy Cameron Williams, M.D. prescribe under Medicare Part D?

In 2024, Guy Cameron Williams, M.D. had 153 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.