Physician Profile
Gregory V. Marcotte, M.D.
Unclaimed ProfileAbout Dr. Marcotte
Based in Wilmington, DE, Gregory V. Marcotte, M.D. is listed in the NPI registry under allergy & immunology. Gregory graduated from New York University School of Medicine in 1992. Gregory is also listed as specializing in allergy. Medicare claims data shows Gregory provided 16,778 services to 1,947 patients. The services billed most often include test for allergy using allergenic extract, test for allergy using allergenic extract injected into skin, and professional service for multiple injections of allergen.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (302) 998-0300
- Email not available
Practice Locations
1401 FOULK RD STE 205
Wilmington, DE 19803
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
- Asthma
- Eczema
- Food allergies
- Hives
- Seasonal allergies
Allergies
- Angioedema
- Cockroach Allergy
- Histamine Intolerance
- Oral Allergy Syndrome
- Red Meat Allergy
Digestive
- Eosinophilic esophagitis
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
- Chronic cough
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
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
- Inhaler technique instruction
- Nebulizer Breathing Treatment
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
16,778 services · 1,947 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
11 | |
| Test for allergy using allergenic extract | Treatment | 95004 |
5,916 | More than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
4,861 | More than most peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
3,688 | More than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
394 | More often than most peers in Allergy & Immunology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
315 | |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
211 | More than most peers in Allergy & Immunology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
191 | More often than most peers in Allergy & Immunology |
| Test for allergy using combination of methods with drug or biological | Treatment | 95018 |
143 | More often than most peers in Allergy & Immunology |
| Test for allergy using ingested items, initial 2 hours | Treatment | 95076 |
28 | 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.
Other allergists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
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 Wilmington 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in DE who bill this service to Medicare most often.
Common questions
What kind of doctor is Gregory V. Marcotte?
Gregory V. Marcotte is an allergist in Wilmington, DE. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
What is Gregory V. Marcotte's address?
Gregory V. Marcotte is listed at 1401 Foulk Rd Ste 205, Wilmington, DE 19803. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gregory V. Marcotte?
The number on file is (302) 998-0300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Gregory V. Marcotte?
Gregory V. Marcotte's National Provider Identifier is 1861470767. 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 Gregory V. Marcotte train?
Gregory V. Marcotte attended New York University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gregory V. Marcotte have?
Gregory V. Marcotte has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gregory V. Marcotte perform?
According to Medicare billing data, Gregory V. Marcotte performs procedures including removal of impacted ear wax; provides treatments such as test for allergy using allergenic extract and test for allergy using allergenic extract injected into skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gregory V. Marcotte's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory V. Marcotte. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.