Michael Mardiney, M.D.
NPI 1609827724 · Allergy & Immunology Physician · Ellicott City, MD
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mardiney, M.D. is a Allergy & Immunology Physician provider in Ellicott City, MD (NPI 1609827724).
Provider details
- NPI number
- 1609827724
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0043585 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
18,620 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 5,980 | $15 |
| Professional Service for Single Injection of Allergen95115 | 4,960 | $11 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 4,361 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,015 | $130 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 867 | $15 |
| Test for Allergy Using Allergenic Extract95004 | 653 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 391 | 116 |
| Hydroxyzine Hcl | 214 | 79 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 126 | 40 |
| Prednisone | 96 | 75 |
| Ipratropium Bromide | 91 | 43 |
| Fluticasone Propionate | 90 | 39 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 83 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-13
- Last updated
- 2017-08-01
Frequently asked questions
- What is Michael Mardiney's NPI number?
- Michael Mardiney's National Provider Identifier (NPI) is 1609827724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mardiney's specialty?
- Michael Mardiney is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mardiney located?
- Michael Mardiney's practice location on file with NPPES is 3105 N Ridge Rd, Ellicott City, MD 21043-3348.
- What is Michael Mardiney's phone number?
- The practice phone number listed in the NPPES registry for Michael Mardiney is (410) 461-7660.
- Does Michael Mardiney accept Medicare?
- Michael Mardiney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mardiney's NPI active?
- Yes — Michael Mardiney's NPI (1609827724) is active in the NPPES registry as of the last update on 2017-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.