STEPHANIE ENG (M.D.) – Allergy & Immunology Physician, NPI 1851657456
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18 ALLERGY/IMMUNOLOGY in DE
Provider Addresses for STEPHANIE ENG (M.D.)
1616 HOLLY HILL LN
MAPLE GLEN, PA 190023171
Phone: (215) 264-2625
Type: Mailing
1600 ROCKLAND RD
SUITE 2B80
WILMINGTON, DE 198033607
Phone: (302) 651-5874
Type: Location
2300 COMPUTER RD STE E25
WILLOW GROVE, PA 190901737
Phone: (215) 659-5480
Type: Location
660 WHITE PLAINS RD STE 400
TARRYTOWN, NY 105915107
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $913.
Total Amount is formed as General ($913) + Research ($0) + Ownership ($0) = $913.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($363).
Total Amount
$913
General + Research + Ownership
Payments
32
Total payment records
General Amount
$913
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
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: 2021-01-26
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20210126002496 | I | Allergy/Immunology | PA | 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 | 473 | 12 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 35 | 27 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $0 |
| 94375 | Test to measure rate of airflow | 17 | 13 | $0 |
Insurance plans in this area (ZIP 19002)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | NJ | |
| A L L E R G Y/ I M M U N O L O G Y | NY | |
| A L L E R G Y/ I M M U N O L O G Y | PA | |
| A L L E R G Y/ I M M U N O L O G Y | PA | |
| A L L E R G Y/ I M M U N O L O G Y | NY |
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