Vinay K. Buttan, MD

Medicare activity in 2024

Official CMS public-use data for Vinay K. Buttan, 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)1,605 services
2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)331 services
3. Blood glucose (sugar) test performed by hand-held instrument (82962)181 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)159 services
5. Administration of influenza virus vaccine (G0008)122 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%
• Arthritis69%
• Diabetes62%
• Heart failure46%
• Ischemic heart disease29%

Hospitals where Vinay K. Buttan works

Medicare's Facility Affiliation Data lists Vinay K. Buttan 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.

• Sierra View Medical CenterPorterville, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050261

Practice locations

Addresses where Vinay K. Buttan is enrolled with Medicare (CMS data updated October 2, 2026).

• 166 N Villa StPorterville, CA 93257 (559) 782‑1990

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Porterville

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

• Bhuwan Sharma, MD
• Akashdeep S. Khahera, MD
• Austin Rifkin, MD
• Randolph Tingle, DO
• Osvaldo Gutierrez-Navarro, MD
• Igor Gorodniuk, MD
• Nirupama Vemuri, MD
• Mary Ann D. Pagulayan Sy, MD

All internal medicine doctors in Porterville →

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