MARGUERITE SLINGLUFF LENGKEEK (M.D.) – Allergy & Immunology Physician, NPI 1043290646
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
165 ALLERGY/IMMUNOLOGY in VA
Provider Addresses for MARGUERITE SLINGLUFF LENGKEEK (M.D.)
1704 SIR WILLIAM OSLER DR
VIRGINIA BEACH, VA 234543003
Phone: (757) 481-4383
Fax: (757) 481-4611
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 87 Open Payments records for all available years, with a total value of $2,673.
Total Amount is formed as General ($2,673) + Research ($0) + Ownership ($0) = $2,673.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($420).
Total Amount
$2,673
General + Research + Ownership
Payments
87
Total payment records
General Amount
$2,673
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $420 |
| GENZYME CORPORATION | $351 |
| Takeda Pharmaceuticals U.S.A., Inc. | $302 |
| GlaxoSmithKline, LLC. | $232 |
| BioCryst US Sales Co., LLC | $185 |
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: 2017-09-25
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 |
|---|---|---|---|---|
| I20170925001562 | I | Allergy/Immunology | VA | 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 |
|---|---|---|---|---|
| 95165 | Professional service for preparation and provision of 1 or more antigens | 794 | 29 | $0 |
| 95004 | Test for allergy using allergenic extract | 535 | 12 | $0 |
| 95117 | Professional service for multiple injections of allergen | 513 | 34 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 434 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 105 | 77 | $0 |
Insurance plans in this area (ZIP 23454)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| A L L E R G Y/ I M M U N O L O G Y | VA | |
| A L L E R G Y/ I M M U N O L O G Y | VA | |
| - | VA | |
| - | VA | |
| A L L E R G Y/ I M M U N O L O G Y | VA |
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