NATHER B. ANSARI (M.D.) – Internal Medicine Physician, NPI 1689663320
Internal Medicine 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 NATHER B. ANSARI (M.D.)
3910, Lancaster Ring Road, Lancaster Gate, Fredericksburg, Spotsylvania County, Virginia, 22408, United States
FREDERICKSBURG, VA 224023910
Phone: (540) 288-9888
Fax: (540) 288-0054
Type: Mailing
1075, Garrisonville Road, Stafford County, Virginia, 22556, United States
SUITE 115
STAFFORD, VA 225568600
Phone: (540) 288-9888
Fax: (540) 288-0054
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 196 Open Payments records for all available years, with a total value of $3,712.
Total Amount is formed as General ($3,712) + Research ($0) + Ownership ($0) = $3,712.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($893).
Total Amount
$3,712
General + Research + Ownership
Payments
196
Total payment records
General Amount
$3,712
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $893 |
| PFIZER INC. | $516 |
| AstraZeneca Pharmaceuticals LP | $330 |
| Lilly USA, LLC | $307 |
| GlaxoSmithKline, LLC. | $206 |
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: 2004-05-17
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 |
|---|---|---|---|---|
| I20040517001001 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 1,650 | 137 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,320 | 767 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 994 | 412 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 566 | 403 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 545 | 443 | $0 |
Insurance plans in this area (ZIP 22402)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | VA | 20610 | Aspiration and/or injection of large joint or joint capsule | 20 | 15 |
| INTERNAL MEDICINE | VA | 73562 | X-ray of knee, 3 views | 12 | 11 |
| INTERNAL MEDICINE | VA | 83036 | Hemoglobin A1C level | 151 | 126 |
| INTERNAL MEDICINE | VA | 85610 | Blood test, clotting time | 28 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| - | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| - | CA |
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