Doctor profile · Federal record

Dr. Thahir Farzan, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Critical Care Medicine (Internal Medicine) Physician · Obstetrics & Gynecology Physician · Amarillo, TX

  • NPI 1174543698
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 Wallace Blvd
Amarillo, TX 791061745
(806) 212-0699
fax (806) 212-0650
Mailing address
Po Box 840026
Dallas, TX 752840026

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 13, 2017
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Texas #P3528
Medicaid
TX #325877401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174543698. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
173
Distinct HCPCS
4
Medicare allowed
$21,139
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 64 49 $120
99215 Established patient office or other outpatient visit, 40-54 minutes 58 20 $172
96523 Irrigation of implanted venous access drug delivery device 28 14 $24
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $124

In context: peer comparison

Among 1 peers in this city , average services per provider: 43. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$64
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $33.73
AstraZeneca Pharmaceuticals LP 1 $30.39

By nature of payment

Food and Beverage
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
430
Patients
224
Total drug cost
$17,128
Drug Type Claims Patients Total cost
Estradiol Generic 106 57 $8,237
Ondansetron Odt (Ondansetron) Brand 37 28 $461
Celecoxib Generic 36 22 $2,524
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 30 27 $306
Ciprofloxacin Hcl Generic 30 27 $423
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 27 23 $803
Dexamethasone Generic 23 0 $196
Clobetasol Propionate Generic 22 11 $722
Oxycodone Hcl Generic 22 15 $165
Megestrol Acetate Generic 21 0 $1,135

Frequently asked questions

Auto-generated from federal data
What is Dr. Thahir Farzan's medical specialty?
Dr. Thahir Farzan practices Gynecologic Oncology Physician in Amarillo, TX.
Where does Dr. Thahir Farzan practice?
Dr. Thahir Farzan practices at 1300 Wallace Blvd, Amarillo, TX 791061745. Office phone: 8062120699.
What is Dr. Thahir Farzan's NPI?
Dr. Thahir Farzan's National Provider Identifier (NPI) is 1174543698, issued by NPPES.
Does Dr. Thahir Farzan accept Medicare assignment?
Yes. Dr. Thahir Farzan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thahir Farzan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Irrigation of implanted venous access drug delivery device (HCPCS 96523). Source: CMS Medicare Physician & Other Practitioners file.