Nadya Hasham-Jiwa, MD

Medicare activity in 2024

Official CMS public-use data for Nadya Hasham-Jiwa, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)363 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)184 services
3. Injection of drug or substance under skin or into muscle (96372)161 services
4. Injection, zoledronic acid, 1 mg (J3489)104 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)91 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)58%
• Arthritis54%
• Diabetes37%
• Ischemic heart disease36%

Hospitals where Nadya Hasham-Jiwa works

Medicare's Facility Affiliation Data lists Nadya Hasham-Jiwa at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• HCA Houston Healthcare Clear LakeWebster, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450617

Practice locations

Addresses where Nadya Hasham-Jiwa is enrolled with Medicare (CMS data updated October 2, 2026).

• 11920 Astoria BlvdHouston, TX 77089 (832) 932‑1730

Group practices

Medicare enrollment lists Nadya Hasham-Jiwa as a member of this group (CMS data updated October 2, 2026).

• Texas Oncology PA1,014 clinicians in the group

Specialties

• Medical Oncologyprimary
• Internal Medicinealso

Find other Medical Oncology doctors in Texas →

Other oncologists in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

• Mariana Chavez Macgregor, MD
• George R. Blumenschein Jr., MD
• Faye M. Johnson, MD
• Laura Q. Chow, MD
• Eric Jonasch, MD
• Robert A. Wolff, MD
• James Yu, MD
• Bryan K. Kee, MD

All oncologists in Houston →

Other clinicians in Texas Oncology PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Megan M. Jones, CNS
• Philip A. Kovoor, MD
• Amar S. Shah, MD
• Michael A. Keller, MD
• Niraj Badhiwala, MD
• Rashad M. Khan, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians