Quick answers
- Does Shirley C. Pua accept Medicare assignment?
- Medicare's clinician data says Shirley C. Pua may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Shirley C. Pua see?
- In 2024, CMS data shows 313 Original Medicare patients and 794 services for Shirley C. Pua. This counts Original Medicare only and measures volume, not quality.
- What is Shirley C. Pua's NPI number?
- 1164426961. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Shirley C. Pua, 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.
| Original Medicare patients | 313 |
|---|---|
| Services billed to Medicare | 794 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)277 services
- Biopsy of large bowel using a flexible endoscope (45380)113 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)101 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)84 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)64 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%
- Arthritis42%
- Ischemic heart disease32%
- Diabetes31%
- Chronic kidney disease24%
Hospitals where Shirley C. Pua works
Medicare's Facility Affiliation Data lists Shirley C. Pua 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.
- Kaweah Health Medical CenterVisalia, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050057
Practice locations
Addresses where Shirley C. Pua is enrolled with Medicare (CMS data updated October 2, 2026).
- 5400 W Hillsdale AveVisalia, CA 93291
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Visalia
Clinicians with the same Medicare primary specialty in Visalia, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1164426961 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians