DR. QUAN CHUNG NGUYEN (M.D.) – Allergy Physician, NPI 1144258120
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. QUAN CHUNG NGUYEN (M.D.)
700 PRIDES XING STE 200
NEWARK, DE 197136109
Phone: (302) 998-0300
Fax: (302) 543-8456
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 20 Open Payments records for all available years, with a total value of $425.
Total Amount is formed as General ($425) + Research ($0) + Ownership ($0) = $425.
Last reported payment date: 2023-08-31 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($96).
Total Amount
$425
General + Research + Ownership
Payments
20
Total payment records
General Amount
$425
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-31
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-09-21
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 |
|---|---|---|---|---|
| I20100921000667 | 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 |
|---|---|---|---|---|
| J2357 | Injection, omalizumab, 5 mg | 1,950 | 12 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 1,720 | 174 | $0 |
| 95004 | Test for allergy using allergenic extract | 649 | 17 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 496 | 17 | $0 |
| 95117 | Professional service for multiple injections of allergen | 437 | 172 | $0 |
Insurance plans in this area (ZIP 19713)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | DE | 95004 | Injection of allergenic extracts into skin, accessed through the skin | 2586 | 87 |
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 | |
| Physician Assistant | DE | |
| Qualified Audiologist | DE | |
| - | DE | |
| A L L E R G Y/ I M M U N O L O G Y | DE |
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