Jennifer C. Alyono, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer C. Alyono, 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)193 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)100 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)68 services
4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)36 services
5. Insertion of cochlear device (69930)15 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%
• High blood pressure67%
• Arthritis35%
• Ischemic heart disease26%
• Diabetes25%
• Chronic kidney disease22%

Hospitals where Jennifer C. Alyono works

Medicare's Facility Affiliation Data lists Jennifer C. Alyono 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.

• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Jennifer C. Alyono is enrolled with Medicare (CMS data updated October 2, 2026).

• 2452 Watson CtPalo Alto, CA 94303 (650) 723‑6995
• 300 Pasteur DrStanford, CA 94305 (650) 723‑4000

Group practices

Medicare enrollment lists Jennifer C. Alyono as a member of this group (CMS data updated October 2, 2026).

• Stanford Health Care3,122 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in California →

Other ENT doctors in Palo Alto

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

• Alan Cheng, MD
• Frank R. Lin, MD
• Po Ling Chan, MD
• Daniel Hall, MD
• Melinda S. Moir, MD
• Steven A. Curti, MD
• Emily Zhang, MD
• Alaa A. Alanazi, MD

All ENT doctors in Palo Alto →

Other clinicians in Stanford Health Care

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

• Amrapali Maitra, MD
• Bernice Y. Kwong, MD
• Igor Feinstein, MD
• Sergio D. Estrada, MD
• Jessica S. Cheung, NP
• Robin F. Mercer, 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