Mohammad Riaz, MD
NPI 1619947421 · Medical Oncology Physician · Katy, TX
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohammad Riaz, MD is a Medical Oncology Physician provider in Katy, TX (NPI 1619947421).
Provider details
- NPI number
- 1619947421
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- K1023 (TX)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,959 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 422 | $130 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 266 | $27 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 215 | $28 |
| Administration of Additional New Drug Or Substance Into Vein, 1 Hour Or Less96417 | 208 | $63 |
| Infusion Into a Vein for Hydration, Each Additional Hour96361 | 203 | $12 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 194 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamoxifen Citrate | 44 | — |
| Ondansetron Hcl | 44 | 33 |
| Prochlorperazine Maleate | 34 | 28 |
| Warfarin Sodium | 25 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 25 | 18 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 24 | 20 |
| Letrozole | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$159 across 6 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
Additional practice locations (1)
- 9230 Katy Fwy Ste 410Houston, TX 77055-7468Phone: (281) 556-6622Fax: (281) 647-7767
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2025-09-05
- Certified
- 2025-09-05
Frequently asked questions
- What is Mohammad Riaz's NPI number?
- Mohammad Riaz's National Provider Identifier (NPI) is 1619947421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohammad Riaz's specialty?
- Mohammad Riaz is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mohammad Riaz located?
- Mohammad Riaz's practice location on file with NPPES is 410 W Grand Pkwy S Ste 4c, Katy, TX 77494-8361.
- What is Mohammad Riaz's phone number?
- The practice phone number listed in the NPPES registry for Mohammad Riaz is (281) 647-7766.
- Does Mohammad Riaz accept Medicare?
- Mohammad Riaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohammad Riaz's NPI active?
- Yes — Mohammad Riaz's NPI (1619947421) is active in the NPPES registry as of the last update on 2025-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.