Thahir Farzan, MD
NPI 1174543698 · Gynecologic Oncology Physician · Amarillo, TX
Enrolled with Medicare as Practitioner - Gynecological Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thahir Farzan, MD is a Gynecologic Oncology Physician provider in Amarillo, TX (NPI 1174543698).
Provider details
- NPI number
- 1174543698
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P3528 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,812 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 702 | $14 |
| Administration of Additional New Drug Or Substance Into Vein, 1 Hour Or Less96417 | 230 | $56 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 143 | $122 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 122 | $111 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 117 | $24 |
| Injection of Drug Or Substance Into Vein96374 | 115 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 124 | 63 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 45 | 33 |
| Celecoxib | 34 | 26 |
| Fluconazole | 33 | 22 |
| Ciprofloxacin Hcl | 31 | 29 |
| Ondansetronbrand: Ondansetron Odt | 27 | 21 |
| Oxycodone Hcl | 22 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2017-09-13
Frequently asked questions
- What is Thahir Farzan's NPI number?
- Thahir Farzan's National Provider Identifier (NPI) is 1174543698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thahir Farzan's specialty?
- Thahir Farzan is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thahir Farzan located?
- Thahir Farzan's practice location on file with NPPES is 1300 Wallace Blvd, Amarillo, TX 79106-1745.
- What is Thahir Farzan's phone number?
- The practice phone number listed in the NPPES registry for Thahir Farzan is (806) 212-0699.
- Does Thahir Farzan accept Medicare?
- Thahir Farzan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thahir Farzan's NPI active?
- Yes — Thahir Farzan's NPI (1174543698) is active in the NPPES registry as of the last update on 2017-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.