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Rheumatology

Shirley W. Pang, MD

Works at hospitals in Fullerton, CA · California

Summary

Dr. Shirley W. Pang, MD is a rheumatologist at 100 E Valencia Mesa Dr, Suite 105, Fullerton, CA 92835. Phone: (714) 871-3006. Accepts Medicare assignment. In 2024, Shirley W. Pang had 482 Original Medicare patients and 1,345 services. NPI 1457437626. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rheumatologist (Medicare lists Rheumatology)
  • Address: 100 E Valencia Mesa Dr, Suite 105, Fullerton, CA 92835 · Directions (6 more locations)
  • Phone: (714) 871‑3006
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence St. Jude Medical Center
  • Group practice: Providence Medical Foundation
  • Medical school: University Of California, Geffen School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Shirley W. Pang, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Shirley W. Pang accept Medicare assignment?
Yes. Medicare's clinician data says Shirley W. Pang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Shirley W. Pang see?
In 2024, CMS data shows 482 Original Medicare patients and 1,345 services for Shirley W. Pang. This counts Original Medicare only and measures volume, not quality.
What is Shirley W. Pang's NPI number?
1457437626. 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 W. Pang, 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 patients482
Services billed to Medicare1,345
Different services or procedures30
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)476 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)422 services
  3. Dxa bone density measurement of hip, pelvis, spine (77080)118 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)90 services
  5. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)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 cholesterol75%
  • Arthritis75%
  • High blood pressure60%
  • Osteoporosis50%
  • Diabetes23%
  • Chronic kidney disease23%

Hospitals where Shirley W. Pang works

Medicare's Facility Affiliation Data lists Shirley W. Pang 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.

Practice locations

Addresses where Shirley W. Pang is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Shirley W. Pang as a member of this group (CMS data updated October 2, 2026).

  • Providence Medical Foundation1,466 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Fullerton

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

All rheumatologists in Fullerton →

Other clinicians in Providence Medical Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457437626
CorrectionsReport 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

  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