LOUIS KENNETH ZWEIG (MD) – Internal Medicine Physician, NPI 1730197591
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,934 INTERNAL MEDICINE in VA
Provider Addresses for LOUIS KENNETH ZWEIG (MD)
2445 ARMY NAVY DR STE 400
ARLINGTON, VA 222062988
Phone: (703) 379-8879
Fax: (703) 998-6821
Type: Mailing
3022, Williams Drive, Merrifield, Fairfax (city), Virginia, 22031, United States
SUITE 300
FAIRFAX, VA 22031
Phone: (703) 573-9800
Fax: (703) 573-2959
Type: Mailing
Fairfax Drive, Rosslyn, Arlington, Arlington County, Virginia, 22209, United States
SUITE 200
ARLINGTON, VA 22203
Phone: (703) 525-8863
Fax: (703) 525-2387
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 53 Open Payments records for all available years, with a total value of $1,188.
Total Amount is formed as General ($1,188) + Research ($0) + Ownership ($0) = $1,188.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Amgen Inc. ($218).
Total Amount
$1,188
General + Research + Ownership
Payments
53
Total payment records
General Amount
$1,188
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $218 |
| Novo Nordisk Inc | $203 |
| Exact Sciences Corporation | $117 |
| Lilly USA, LLC | $107 |
| ABBVIE INC. | $96 |
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: 2004-05-21
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 |
|---|---|---|---|---|
| I20040521000792 | 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 | 276 | 139 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 110 | 110 | $0 |
| 99497 | Advance care planning, first 30 minutes | 107 | 106 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 82 | 80 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 74 | 66 | $0 |
Insurance plans in this area (ZIP 22206)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| Internal Medicine, Pediatric Medicine | VA | |
| Family Practice | VA | |
| Internal Medicine | VA | |
| Internal Medicine | VA | |
| N E P H R O L O G Y | VA | |
| Internal Medicine, Family Practice | VA | |
| Family Practice | VA | |
| Family Practice | VA |
Reviews
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