NPPES file of Aug 9, 2026

Michael A. Dias, MD

Otolaryngology Physician · Lutherville, MD

Michael A. Dias, MD is an otolaryngology physician with a practice address in Lutherville, Maryland, and NPI 1942365200, issued on Dec 27, 2006. Check the license (Maryland D43474, 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
1942365200
Name
Michael A. Dias
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
D43474 MD
Self-reported in NPPES; status is on the state search
Practice location
1447 York Road, Lutherville, MD 21093
Phone
(410) 339-5685
Enumerated
Dec 27, 2006
Record last updated
Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(410) 339-5620
Medicare enrollment
Enrolled (PECOS I20090821000286); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 1991
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 1447 York Road

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

  1. Victoria Dowling, MDObstetrics & Gynecology Physician1619038809
  2. Katharine Piccoli, CRNPAdult Health Nurse Practitioner1245302652
  3. Rolando Vieta, MDGeriatric Medicine (Internal Medicine) Physician1235294570
  4. Franklin Weinstein, MDObstetrics & Gynecology Physician1790015667
  5. Michael White, DDSGeneral Practice Dentistry1568417178

Verify Michael A. Dias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D43474
    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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3% fewer Medicare Part D claims than the average otolaryngology physician in 2024

525 Medicare Part D claims for 224 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 48 claims were for opioids.

  1. Michael Dias525
  2. Specialty average541

Most prescribed

  1. Famotidine102 claims
  2. Ipratropium Bromide64 claims
  3. Oxycodone Hcl48 claims
  4. Amoxicillin46 claims
  5. Pantoprazole Sodium33 claims
  6. Ciprofloxacin-Dexamethasone30 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).

Michael A. Dias among 257 otolaryngology physician records in Maryland

Michael A. Dias, MD 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
  • Graduated1991 · 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. Jimmy Cua, M.D.Lutherville, MD 210931033439666
  2. Douglas Reh, M.D.Lutherville Timonium, MD 210931982725917
  3. Mark Williams, M.D.Lutherville, MD 210931104820828
  4. Steven Marks, M.D.Havre De Grace, MD 210781962496042
  5. Martin Rubin, M.D.Elkridge, MD 210751922167147
  6. Barry Tatar, M.D.Elkridge, MD 210751386639466
  7. Kevin ConnollyOwings Mills, MD 211171104352764
  8. Scott London, M.D.Owings Mills, MD 211171871670026

Common questions

What is Michael A. Dias, MD's NPI number?

Michael A. Dias, MD's National Provider Identifier (NPI) is 1942365200, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Dias, MD located?

The NPPES record lists a practice address at 1447 York Road, Lutherville, MD, 21093. Phone: (410) 339-5685. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Dias, MD's license?

NPPES lists Maryland license number D43474, 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 Michael A. Dias, MD prescribe under Medicare Part D?

In 2024, Michael A. Dias, MD had 525 Medicare Part D claims for 224 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.