NPPES file of Aug 9, 2026

Robert A. Clayton, M.D.

Otolaryngology Physician · Towson, MD

Robert A. Clayton, M.D. is an otolaryngology physician with a practice address in Towson, Maryland, and NPI 1518077767, issued on Aug 30, 2006. Check the license (Maryland MDD036160, 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
1518077767
Name
Robert A. Clayton
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
MDD036160 MD
Self-reported in NPPES; status is on the state search
Practice location
120 Sister Pierre Dr, Towson, MD 21204
Phone
(410) 825-3900
Enumerated
Aug 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(410) 321-9404
Medicare enrollment
Enrolled (PECOS I20110127000896); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 1986
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 120 Sister Pierre Dr

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

  1. Jeffrey Alexander, MDInternal Medicine Physician1659479178
  2. John Bacon, M.D.Allergy Physician1538162078
  3. Richard Baldi, PSYD LCSW CClinical Social Worker1568402436
  4. Misty Borst, MDPsychiatry Physician1730219916
  5. Jeffrey Campodonico, PH.D.Clinical Neuropsychologist1407908395
  6. Robert Canosa, PH.D.Clinical Social Worker1306855317

Verify Robert A. Clayton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license MDD036160
    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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77% fewer Medicare Part D claims than the average otolaryngology physician in 2024

127 Medicare Part D claims for 81 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Robert Clayton127
  2. Specialty average541

Most prescribed

  1. Prednisone30 claims
  2. Ipratropium Bromide18 claims
  3. Hydrochlorothiazide12 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: $29.80

1 payment: food and beverage; the largest payer was Optinose US, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Clayton$29.80
  2. Specialty average$1,922.50

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

Robert A. Clayton among 257 otolaryngology physician records in Maryland

Robert A. Clayton, 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
  • Graduated1986 · median 2004 among the 166 with a school on file
  • Record last updated2007 · 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. Marc Dubin, M.D.Baltimore, MD 212041407897770
  2. Andrew Goldstone, M.D.Baltimore, MD 212041306850334
  3. Patrick Ha, M.D.Baltimore, MD 212041962451682
  4. Brian Kaplan, M.D.Baltimore, MD 212041215941240
  5. Dario Kunar, M.D.Baltimore, MD 212041982625109
  6. Melissa Liu, MDBaltimore, MD 212041902264005
  7. Karen Pitman, MDBaltimore, MD 212041972574663
  8. Warren RothmanBaltimore, MD 212041336135748

Common questions

What is Robert A. Clayton, M.D.'s NPI number?

Robert A. Clayton, M.D.'s National Provider Identifier (NPI) is 1518077767, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Clayton, M.D. located?

The NPPES record lists a practice address at 120 Sister Pierre Dr, Towson, MD, 21204. Phone: (410) 825-3900. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Clayton, M.D.'s license?

NPPES lists Maryland license number MDD036160, 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 Robert A. Clayton, M.D. prescribe under Medicare Part D?

In 2024, Robert A. Clayton, M.D. had 127 Medicare Part D claims for 81 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.