GREGORY V. MARCOTTE (M.D.) – Allergy & Immunology Physician, NPI 1861470767
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18 ALLERGY/IMMUNOLOGY in DE
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Provider Addresses for GREGORY V. MARCOTTE (M.D.)
Shallcross Avenue, Happy Valley, Wilmington, New Castle County, Delaware, 19805:19806, United States
SUITE 1
WILMINGTON, DE 198062344
Phone: (302) 655-4471
Fax: (302) 655-2005
Type: Location
700 PRIDES XING STE 200
NEWARK, DE 197136109
Phone: (302) 998-0300
Fax: (302) 999-7943
Type: Mailing
1401 FOULK RD STE 205
WILMINGTON, DE 198032764
Phone: (302) 998-0300
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 231 Open Payments records for all available years, with a total value of $5,145.
Total Amount is formed as General ($5,145) + Research ($0) + Ownership ($0) = $5,145.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($901).
Total Amount
$5,145
General + Research + Ownership
Payments
231
Total payment records
General Amount
$5,145
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $901 |
| GlaxoSmithKline, LLC. | $735 |
| BioCryst US Sales Co., LLC | $525 |
| CSL Behring | $428 |
| Regeneron Healthcare Solutions, Inc. | $386 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-08-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050809000996 | I | Allergy/Immunology | DE | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 3,636 | 90 | $0 |
| 95117 | Professional service for multiple injections of allergen | 3,458 | 276 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 3,121 | 90 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 571 | 408 | $0 |
| 95115 | Professional service for single injection of allergen | 338 | 43 | $0 |
Insurance plans in this area (ZIP 19806)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Qualified Audiologist | PA | |
| Qualified Audiologist | MD | |
| A L L E R G Y/ I M M U N O L O G Y | DE | |
| A L L E R G Y/ I M M U N O L O G Y | DE | |
| O T O L A R Y N G O L O G Y | DE | |
| Qualified Audiologist | DE | |
| - | DE | |
| Physician Assistant | DE | |
| Qualified Audiologist | DE | |
| - | DE |
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