Anne M. Porzig, MD

Medicare activity in 2024

Official CMS public-use data for Anne M. Porzig, 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. Injection, denosumab, 1 mg (J0897)1,320 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)181 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)80 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
5. Injection of drug or substance under skin or into muscle (96372)40 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 cholesterol70%
• High blood pressure55%
• Osteoporosis44%
• Arthritis35%
• Diabetes33%
• Chronic kidney disease23%

Hospitals where Anne M. Porzig works

Medicare's Facility Affiliation Data lists Anne M. Porzig 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.

• Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
• Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050108

Practice locations

Addresses where Anne M. Porzig is enrolled with Medicare (CMS data updated October 2, 2026).

• 795 El Camino RealPalo Alto, CA 94301 (415) 600‑1020

Group practices

Medicare enrollment lists Anne M. Porzig as a member of this group (CMS data updated October 2, 2026).

• Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in California →

Other endocrinologists in Palo Alto

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

• Norra Kwong, MD
• Kevin Ro, MD
• David B. Karpf, MD
• Chrysoula Dosiou, MD
• Rachel L. Sewell, MD
• Swaytha V. Yalamanchi, MD
• Luisa F. Valenzuela Riveros, MD

All endocrinologists in Palo Alto →

Other clinicians in Sutter Bay Medical Foundation

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

• Kenneth C. Yeung, MD
• Rema F. Hanna, MD
• Rachel Lane, PA
• Sarah Padua, MD
• Maureen C. Chapman, MD
• Marissa P. Opilas, 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