NPPES file of Aug 9, 2026

William Clark Gray, M.D.

Otolaryngology Physician · Baltimore, MD

William Clark Gray, M.D. is an otolaryngology physician with a practice address in Baltimore, Maryland, and NPI 1942239496, issued on Jun 30, 2006. Check the license (Maryland D17424, 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
1942239496
Name
William Clark Gray
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
D17424 MD
Self-reported in NPPES; status is on the state search
Practice location
16 S Eutaw St, Baltimore, MD 21201
Phone
(410) 328-5828
Enumerated
Jun 30, 2006
Record last updated
Jun 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(410) 328-5827
Medicaid ID
914651200 MD
Medicare enrollment
Enrolled (PECOS I20050729000802); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1973
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 16 S Eutaw St

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

  1. Muhtadi Alnababteh, MDCritical Care Medicine (Internal Medicine) Physician1164943825
  2. Elizabeth Barry, M.D.Specialist1417064213
  3. Christopher Bever, M.D.Specialist1306944541
  4. David Brown, M.DInternal Medicine Physician1194053348
  5. Kenechukwu Charles-Obi, MDStudent in an Organized Health Care Education/Training Program1457299786
  6. Deanna Cohen, MS, CCC/SLPSpeech-Language Pathologist1821465527

Verify William Clark Gray in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D17424
    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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34% fewer Medicare Part D claims than the average otolaryngology physician in 2024

355 Medicare Part D claims for 142 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. William Gray355
  2. Specialty average541

Most prescribed

  1. Famotidine83 claims
  2. Pantoprazole Sodium64 claims
  3. Mometasone Furoate34 claims
  4. Ipratropium Bromide26 claims
  5. Prednisone16 claims
  6. Amoxicillin-Clavulanate Potass14 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncHalethorpe, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Clark Gray among 257 otolaryngology physician records in Maryland

William Clark Gray, M.D. is one of 257 otolaryngology 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 48% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1973 · median 2004 among the 166 with a school on file
  • Record last updated2021 · 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 207Y00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Maryland

There are 257 otolaryngology physician records in Maryland.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. John Biedlingmaier, M.D.Baltimore, MD 212011013924331
  2. Elizabeth Guardiani, M.D.Baltimore, MD 212011760634034
  3. Kyle Hatten, MDBaltimore, MD 212011548588528
  4. Kelly MoyerBaltimore, MD 212011629496260
  5. Priya Patel, MDBaltimore, MD 212011619437217
  6. Robert Sawyer, M.D.Baltimore, MD 212011740380567
  7. Kiran Shah, MDBaltimore, MD 212011386606986
  8. Rodney Taylor, M.D.Baltimore, MD 212011306853791

Common questions

What is William Clark Gray, M.D.'s NPI number?

William Clark Gray, M.D.'s National Provider Identifier (NPI) is 1942239496, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Clark Gray, M.D. located?

The NPPES record lists a practice address at 16 S Eutaw St, Baltimore, MD, 21201. Phone: (410) 328-5828. Providers update this record themselves, so call before visiting.

How can I verify William Clark Gray, M.D.'s license?

NPPES lists Maryland license number D17424, 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 William Clark Gray, M.D. prescribe under Medicare Part D?

In 2024, William Clark Gray, M.D. had 355 Medicare Part D claims for 142 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.