Mohammed I. Abu Zaanona, MD

Medicare activity in 2024

Official CMS public-use data for Mohammed I. Abu Zaanona, 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)43 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)28 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)17 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 pressure69%
• High cholesterol63%
• Arthritis55%
• Chronic kidney disease38%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)32%
• Diabetes25%

Hospitals where Mohammed I. Abu Zaanona works

Medicare's Facility Affiliation Data lists Mohammed I. Abu Zaanona 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.

• Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050110
• Santa Barbara Cottage HospitalSanta Barbara, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050396
• Santa Ynez Valley Cottage HospitalSolvang, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051331

Practice locations

Addresses where Mohammed I. Abu Zaanona is enrolled with Medicare (CMS data updated October 2, 2026).

• 540 W Pueblo StSantsa Barbara, CA 93105 (805) 681‑1761

Group practices

Medicare enrollment lists Mohammed I. Abu Zaanona as a member of this group (CMS data updated October 2, 2026).

• Sansum Clinic320 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Chad M. Guenther, MD
• Maira P. Campos, MD
• Ping Hu
• Alexandra Drakaki, MD
• Steven W. Kim, MD
• Corynn S. Kasap, MD
• Matthew B. Rettig, MD
• Soo J. Park, MD

All hematologist-oncologists in California →

Other clinicians in Sansum Clinic

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

• Jesus J. Fandino, MD
• Sushila L. Braganza, MD
• Erin Hammett, DO
• Hope L. Saxon, NP
• Krystle Irvine, MD
• Alisha N. Atherly-Brown, PA

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