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- 3105 N Ridge Rd, Ellicott City, MD 21043
About Dr. Mardiney
Based in Ellicott City, MD, Michael Mardiney, M.D. is listed in the NPI registry under allergy & immunology. Michael graduated from Georgetown University School of Medicine in 1989. According to Medicare claims data, Michael cared for 1,522 Medicare patients across 42,215 services. The services billed most often include injection, omalizumab, 5 mg, professional service for preparation and provision of 1 or more antigens, and professional service for single injection of allergen. NPI 1609827724 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 461-7660
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3105 N RIDGE RD
Ellicott City, MD 21043
Conditions Commonly Evaluated or Treated
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
- Angioedema
- Cockroach Allergy
- Histamine Intolerance
- Oral Allergy Syndrome
- Red Meat Allergy
Digestive
Drug allergies
- Sulfa Drug Allergy
Drug allergy
- Aspirin Allergy
- Drug Allergies
- Penicillin Allergy
- Vaccine Allergy
Emergency
- Severe Allergic Shock
Environmental
- Dust Mite Allergy
- Insect Sting Allergy
- Latex Allergy
- Mold Allergy
- Pet Allergies
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
- Low White Blood Cell Count
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
- Allergic Asthma
- Wheezing
Respiratory
Sinus
- Chronic sinusitis
- Loss or reduction of smell
- Nasal polyps
- Nonallergic rhinitis
- Post-Nasal Drip
Sinus conditions
- Sinus Headaches
Skin
- Cold Allergy
- Contact dermatitis
- Nickel Allergy
- Sun Allergy
Skin conditions
- Chronic itching
- Poison Ivy Rash
- Skin Writing Rash
Procedures & services
Breathing & Airway
Most searched procedures
- Allergy testing
- Immunotherapy
- Patch testing
Allergy treatments
- Allergy Drops
- Asthma Biologics
- Food Desensitization
- Peanut Allergy Pill Treatment
- Sublingual Dust Mite Treatment
- Under-The-Tongue Allergy Tablets
Diagnostic
- Asthma challenge test
- Drug Challenge Test
- Exercise Challenge Breathing Test
- Exhaled nitric oxide test
- Ice Cube Test for Cold Allergy
- Immune System Blood Test
- Nasal endoscopy
- Oral Food Challenge
- Peak Flow Test
- Penicillin Allergy Testing
- Spirometry
- Tryptase Blood Test
- Vaccine Challenge Test
- Vaccine Response Antibody Test
Infusion
- C1 Esterase Inhibitor Infusion
- IVIG Infusion
- Subcutaneous Immunoglobulin Infusion
Medication therapy
- Fasenra Injections
- Nucala Injections
- Tezspire Injections
Medications
- Dupixent Injections
- Targeted therapy
- Xolair Injections
Preventive
- Anaphylaxis Emergency Action Plan
- Epinephrine Autoinjector Training
Respiratory
Tests
- Allergy Blood Testing
- Allergy Skin Prick Test
- Blood Component Allergy Test
- Complement Blood Test
- Eosinophil Blood Count
- Intradermal Allergy Test
- Pulmonary function test
- Skin Test For Metal Allergy
- Total IgE Blood Test
Treatment
- Aspirin Desensitization
- Dietary Allergen Elimination Plan
- Drug Desensitization Protocol
- Sinus Rinse Training
Procedures Most Often Billed to Medicare
42,215 services · 1,522 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
5,980 | More than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
4,960 | More than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
4,361 | More than most peers in Allergy & Immunology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
867 | More than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract | Treatment | 95004 |
653 | Less often than most peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
267 | As often as other peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
73 | More often than most peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
23 | As often as other peers in Allergy & Immunology |
| Injection, omalizumab, 5 mg | Drug given | J2357 |
20,355 | More than most peers in Allergy & Immunology |
| Injection, benralizumab, 1 mg | Drug given | J0517 |
3,240 | More often than most peers in Allergy & Immunology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergists in Ellicott City 2
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1989 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Professional service for preparation and provision of 1 or more antigens 7
Providers in MD who bill this service to Medicare most often.
Common questions
What does Michael Mardiney specialize in?
Michael Mardiney is an allergist in Ellicott City, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Where is Michael Mardiney located?
Michael Mardiney is listed at 3105 N Ridge Rd, Ellicott City, MD 21043. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Michael Mardiney's phone number?
The number on file is (410) 461-7660. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael Mardiney's NPI number?
Michael Mardiney's National Provider Identifier is 1609827724. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Michael Mardiney train?
Michael Mardiney attended Georgetown University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael Mardiney been practicing?
Michael Mardiney has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Michael Mardiney do most often?
According to Medicare billing data, Michael Mardiney provides treatments such as professional service for preparation and provision of 1 or more antigens and professional service for single injection of allergen, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Michael Mardiney confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael Mardiney. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.