NPPES file of Aug 9, 2026

Michael Mardiney, M.D.

Allergy & Immunology Physician · Ellicott City, MD

Michael Mardiney, M.D. is an allergy & immunology physician with a practice address in Ellicott City, Maryland, and NPI 1609827724, issued on May 13, 2006. Check the license (Maryland D0043585, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609827724
Name
Michael Mardiney
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
D0043585 MD
Self-reported in NPPES; status is on the state search
Practice location
3105 N Ridge RD, Ellicott City, MD 21043
Phone
(410) 461-7660
Enumerated
May 13, 2006
Record last updated
Aug 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(410) 461-2853
Medicare enrollment
Enrolled (PECOS I20051213000380); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1989
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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Verify Michael Mardiney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0043585
    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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3.0 times the Medicare Part D claims of the average allergy & immunology physician in 2024

2,189 Medicare Part D claims for 400 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.

  1. Michael Mardiney2,189
  2. Specialty average741

Most prescribed

  1. Montelukast Sodium391 claims
  2. Hydroxyzine Hcl214 claims
  3. Trelegy Ellipta126 claims
  4. Prednisone96 claims
  5. Ipratropium Bromide91 claims
  6. Fluticasone Propionate90 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.

The MIPS final score for 2023 (Medicare payment program): 69.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score63.3
  2. Costout of 100 · 30%46.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $24.84

1 payment: food and beverage; the largest payer was Leo Pharma Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Mardiney$24.84
  2. Specialty average$8,321.81

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

Michael Mardiney among 108 allergy & immunology physician records in Maryland

Michael Mardiney, M.D. is one of 108 allergy & immunology 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated1989 · median 2000 among the 49 with a school on file
  • Record last updated2017 · 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 207K00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Maryland

There are 108 allergy & immunology physician records in Maryland.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Sathvik Balaram, MDEllicott City, MD 210431942732151
  2. Glenn Silber, MDColumbia, MD 210441659315570
  3. Lynne Zheutlin, MDEllicott City, MD 210421407884323
  4. Surender Vaswani, MDColumbia, MD 210451598704546
  5. Gloria Akan, M.D.Glen Burnie, MD 210611831155761
  6. Monica Bhagat, MDGlen Burnie, MD 210611659534139
  7. Andrew Moore, MDGlen Burnie, MD 210611942208863
  8. Matthew Mardiney, M.D.Bel Air, MD 210151144271073

Common questions

What is Michael Mardiney, M.D.'s NPI number?

Michael Mardiney, M.D.'s National Provider Identifier (NPI) is 1609827724, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Mardiney, M.D. located?

The NPPES record lists a practice address at 3105 N Ridge RD, Ellicott City, MD, 21043. Phone: (410) 461-7660. Providers update this record themselves, so call before visiting.

How can I verify Michael Mardiney, M.D.'s license?

NPPES lists Maryland license number D0043585, 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 Mardiney, M.D. prescribe under Medicare Part D?

In 2024, Michael Mardiney, M.D. had 2,189 Medicare Part D claims for 400 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Michael Mardiney, M.D.'s MIPS final score?

The 2023 MIPS final score is 69.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.