Doctor profile · Federal record

Dr. Michael Mardiney, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Ellicott City, MD

  • NPI 1609827724
  • Accepts Medicare
  • MIPS 69.1 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3105 N Ridge RD
Ellicott City, MD 210433348
(410) 461-7660
fax (410) 461-2853
Mailing address
Po Box 609
Ellicott City, MD 210410609

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 1, 2017
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Maryland #D0043585

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609827724. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43,322
Distinct HCPCS
10
Medicare allowed
$1,711,736
HCPCS Description Services Patients Avg allowed
J2357 Injection, omalizumab, 5 mg 21,165 32 $38
95165 Professional service for preparation and provision of 1 or more antigens 6,270 247 $16
95115 Professional service for single injection of allergen 5,300 237 $11
95024 Test for allergy using allergenic extract injected into skin 4,701 111 $9
J0517 Injection, benralizumab, 1 mg 3,120 23 $166
99214 Established patient office or other outpatient visit, 30-39 minutes 972 458 $134
96372 Injection of drug or substance under skin or into muscle 884 58 $15
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 215 29 $51
95117 Professional service for multiple injections of allergen 214 62 $13
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 139 29 $41

In context: peer comparison

Among 1 peers in this city , average services per provider: 2,707. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
LEO Pharma Inc. 1 $24.84

By nature of payment

Food and Beverage
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,217
Patients
489
Total drug cost
$588,105
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 310 99 $5,803
Hydroxyzine Hcl Generic 168 63 $2,605
Ipratropium Bromide Generic 100 50 $4,470
Fluticasone Propionate Generic 96 38 $1,710
Prednisone Generic 77 60 $985
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 71 23 $83,284
Azelastine-Fluticasone (Azelastine/Fluticasone) Brand 63 32 $19,059
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 60 27 $2,097
Dupixent Syringe (Dupilumab) Brand 57 0 $247,351
Azelastine Hcl Generic 55 26 $2,357

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Mardiney's medical specialty?
Dr. Michael Mardiney practices Allergy & Immunology Physician in Ellicott City, MD.
Where does Dr. Michael Mardiney practice?
Dr. Michael Mardiney practices at 3105 N Ridge RD, Ellicott City, MD 210433348. Office phone: 4104617660.
What is Dr. Michael Mardiney's NPI?
Dr. Michael Mardiney's National Provider Identifier (NPI) is 1609827724, issued by NPPES.
Does Dr. Michael Mardiney accept Medicare assignment?
Yes. Dr. Michael Mardiney accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Mardiney commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.