DR. ALI REZA ASSEFI (MD) – Nephrology Physician, NPI 1275531832
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
332 NEPHROLOGY in VA
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Provider Addresses for DR. ALI REZA ASSEFI (MD)
13135, Lee Jackson Memorial Highway, Chantilly, Fairfax (city), Virginia, 22033, United States
135
FAIRFAX, VA 220331907
Phone: (703) 961-0488
Fax: (703) 961-0480
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 128 Open Payments records for all available years, with a total value of $4,172.
Total Amount is formed as General ($4,172) + Research ($0) + Ownership ($0) = $4,172.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Novo Nordisk Inc ($1,149).
Total Amount
$4,172
General + Research + Ownership
Payments
128
Total payment records
General Amount
$4,172
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
1
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $1,149 |
| AstraZeneca Pharmaceuticals LP | $376 |
| Amgen Inc. | $288 |
| Mallinckrodt Hospital Products Inc. | $265 |
| ANI Pharmaceuticals, Inc. | $191 |
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: 2011-06-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20110211000015 | I | Nephrology | VA | TBD |
| I20110630000083 | I | Nephrology | 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 | 732 | 467 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 677 | 244 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 334 | 56 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 239 | 156 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 132 | 40 | $0 |
Insurance plans in this area (ZIP 22033)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | VA | 90935 | Hemodialysis procedure with one physician evaluation | 166 | 68 |
| NEPHROLOGY | VA | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 136 | 59 |
| NEPHROLOGY | VA | 90966 | Home dialysis services per month, patient 20 years of age or older | 126 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E P H R O L O G Y | TX | |
| N E P H R O L O G Y | VA | |
| N E P H R O L O G Y | VA | |
| Nurse Practitioner | VA | |
| - | VA | |
| Nurse Practitioner | VA | |
| Internal Medicine, Nephrology | MD | |
| N E P H R O L O G Y | VA | |
| N E P H R O L O G Y | AZ | |
| Nephrology, Internal Medicine | VA |
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