Atia A. Shah, MD

Medicare activity in 2024

Official CMS public-use data for Atia A. Shah, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)3,014 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,311 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)673 services
4. Management of oxygen chamber therapy (99183)49 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)31 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%
• Diabetes70%
• Chronic kidney disease62%
• Arthritis58%
• Heart failure57%

Hospitals where Atia A. Shah works

Medicare's Facility Affiliation Data lists Atia A. Shah 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.

• Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050382
• Keck Hospital of USCLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050696
• USC Arcadia HospitalArcadia, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050238

Practice locations

Addresses where Atia A. Shah is enrolled with Medicare (CMS data updated October 2, 2026).

• 935 W Foothill BlvdClaremont, CA 91711 (626) 851‑8880

Group practices

Medicare enrollment lists Atia A. Shah as a member of this group (CMS data updated October 2, 2026).

• Streng Bassi Begum and Jiang Medical Corporation7 clinicians in the group

Specialties

• Infectious Diseaseprimary

Find other Infectious Disease doctors in California →

Other infectious disease doctors in Claremont

Clinicians with the same Medicare primary specialty in Claremont, CA — not a recommendation.

• Deepthi Jayasekara, MD
• Nasima Begum, MD
• Sohanjeet S. Bassi, MD
• Hua Jiang, MD
• Karen Michelle Guiang, DO

All infectious disease doctors in Claremont →

Other clinicians in Streng Bassi Begum and Jiang Medical Corporation

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

• Deepthi Jayasekara, MD
• Nasima Begum, MD
• Sohanjeet S. Bassi, MD
• Katrina Anne C. Sandejas, MD
• Hua Jiang, MD
• Karen Michelle Guiang, DO

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