DR. KEITH ZAITOUN (MD) – Nephrology Physician, NPI 1679567820
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,934 INTERNAL MEDICINE in VA
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Provider Addresses for DR. KEITH ZAITOUN (MD)
3235, Academy Avenue, Village At Western Branch, Churchland, Portsmouth, Virginia, 23703, United States
SUITE 301
PORTSMOUTH, VA 237033200
Phone: (757) 484-9400
Fax: (757) 484-8809
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 37 Open Payments records for all available years, with a total value of $682.
Total Amount is formed as General ($682) + Research ($0) + Ownership ($0) = $682.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Amgen Inc. ($96).
Total Amount
$682
General + Research + Ownership
Payments
37
Total payment records
General Amount
$682
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
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: 2010-09-17
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 |
|---|---|---|---|---|
| I20100917000404 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 382 | 97 | $0 |
| 99458 | Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 327 | 93 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 323 | 188 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 314 | 121 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 308 | 52 | $0 |
Insurance plans in this area (ZIP 23703)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Nephrology | VA | |
| Nephrology, Internal Medicine | VA | |
| Nurse Practitioner | VA | |
| - | VA |
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