LEILA M YOUSSEF (M.D.) – Internal Medicine Physician, NPI 1629071550
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,930 INTERNAL MEDICINE in VA
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Provider Addresses for LEILA M YOUSSEF (M.D.)
North Beauregard Street, John Adams, Newport Village Apartments, Alexandria, Virginia, 22311, United States
ALEXANDRIA, VA 223111732
Phone: (703) 717-4148
Fax: (703) 717-4149
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 207 Open Payments records for all available years, with a total value of $4,463.
Total Amount is formed as General ($4,463) + Research ($0) + Ownership ($0) = $4,463.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: PFIZER INC. ($640).
Total Amount
$4,463
General + Research + Ownership
Payments
207
Total payment records
General Amount
$4,463
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $640 |
| ABBVIE INC. | $596 |
| Lilly USA, LLC | $430 |
| GlaxoSmithKline, LLC. | $424 |
| AstraZeneca Pharmaceuticals LP | $368 |
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: 2011-01-18
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 |
|---|---|---|---|---|
| I20110118000468 | I | Internal Medicine | DC | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 527 | 233 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 309 | 172 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 241 | 26 | $0 |
| 99454 | Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 240 | 26 | $0 |
| 99458 | Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 176 | 26 | $0 |
Insurance plans in this area (ZIP 22311)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Sleep Medicine, Internal Medicine | VA | |
| Internal Medicine | VA |
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