Shiva Niakan, DO

Medicare activity in 2024

Official CMS public-use data for Shiva Niakan, 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 low level od decision making, if using time, 20 minutes or more (99213)97 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)93 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)58 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)31 services
5. Partial removal of breast (19301)30 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 cholesterol75%
• High blood pressure73%
• Arthritis53%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
• Anxiety27%
• Chronic kidney disease25%

Hospitals where Shiva Niakan works

Medicare's Facility Affiliation Data lists Shiva Niakan 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.

• Memorial Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050557

Practice locations

Addresses where Shiva Niakan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1700 Coffee RdModesto, CA 95355 (209) 526‑4500
• 2800 L StSacramento, CA 95816
• 600 Coffee RdModesto, CA 95355 (209) 524‑1211

Group practices

Medicare enrollment lists Shiva Niakan as a member of this group (CMS data updated October 2, 2026).

• Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in California →

Other general surgeons in Modesto

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

• Bradley S. Putty, MD
• Thanh Tuyen T. Huynh, MD
• Sean K. Degmetich, MD
• Shirley Rose R. Domingo, MD
• Gina A. Quaid, MD
• Dena J. Gu, MD
• Tomasz D. Gutowski, MD
• Yusef J. Buti, MD

All general surgeons in Modesto →

Other clinicians in Sutter Valley Medical Foundation

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

• Palak J. Patel, MD
• Svetlana R. Mulcahy, NP
• Seyed Faraz Heydari
• Vanessa Mendez Figueroa
• Harinder S. Dhanota, DO
• Ana C. Orozco, 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