THAHIR FARZAN (MD) – Gynecologic Oncology Physician, NPI 1174543698
Gynecologic Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
139 GYNECOLOGICAL ONCOLOGY in TX
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Provider Addresses for THAHIR FARZAN (MD)
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
DALLAS, TX 752840026
Phone: (806) 212-6965
Fax: (806) 212-6278
Type: Mailing
1300, Wallace Boulevard, Amarillo, Potter County, Texas, 79106, United States
AMARILLO, TX 791061745
Phone: (806) 212-0699
Fax: (806) 212-0650
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $232.
Total Amount is formed as General ($232) + Research ($0) + Ownership ($0) = $232.
Last reported payment date: 2024-09-25 • Largest payer in this snapshot: CooperSurgical, Inc. ($122).
Total Amount
$232
General + Research + Ownership
Payments
5
Total payment records
General Amount
$232
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CooperSurgical, Inc. | $122 |
| GlaxoSmithKline, LLC. | $46 |
| Abbott Laboratories | $34 |
| AstraZeneca Pharmaceuticals LP | $30 |
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: 2012-07-03
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 |
|---|---|---|---|---|
| I20120703000721 | I | Gynecological Oncology | TX | 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 | 64 | 49 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 58 | 20 | $0 |
| 96523 | Irrigation of implanted venous access drug delivery device | 28 | 14 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 23 | 23 | $0 |
Insurance plans in this area (ZIP 75284)
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