Andrew P. Martella, MD

Medicare activity in 2024

Official CMS public-use data for Andrew P. Martella, 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. Ct guidance for insertion of radiation therapy fields (77014)1,006 services
2. Radiation treatment management, 5 treatment sessions (77427)216 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)160 services
4. Design and construction of complex radiation treatment device (77334)111 services
5. Calculation of radiation therapy dose (77300)103 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High cholesterol70%
• Diabetes33%
• Chronic kidney disease31%
• Arthritis29%

Hospitals where Andrew P. Martella works

Medicare's Facility Affiliation Data lists Andrew P. Martella 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.

• Eden Medical CenterCastro Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050488
• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
• Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

Addresses where Andrew P. Martella is enrolled with Medicare (CMS data updated October 2, 2026).

• 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
• 5725 W Las Positas BlvdPleasanton, CA 94588

Group practices

Medicare enrollment lists Andrew P. Martella as a member of this group (CMS data updated October 2, 2026).

• Stanford Health Care3,122 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in California →

Other radiation oncologists in Stanford

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

• Carol M. Marquez, MD
• Quynh-Thu Le, MD
• Hilary P. Bagshaw, MD
• Mark K. Buyyounouski, MD
• Sandra S. Zaky, MD
• Alexander L. Chin, MD
• Yuan J. Rao, MD
• Richard T. Hoppe, MD

All radiation oncologists in Stanford →

Other clinicians in Stanford Health Care

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

• Mitchell G. Miglis, MD
• Tony Chen, MD
• Sabrina Aziz
• Peter Pompei, MD
• Sarada Sakamuri, MD
• Devi S. Sharma, PA

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