Hannah H. Walford, MD

Medicare activity in 2024

Official CMS public-use data for Hannah H. Walford, 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, omalizumab, 5 mg (J2357)3,425 services
2. Professional service for preparation and provision of 1 or more antigens (95165)1,085 services
3. Test for allergy using allergenic extract (95004)919 services
4. Professional service for multiple injections of allergen (95117)529 services
5. Injection of drug or substance under skin or into muscle (96372)171 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 cholesterol72%
• High blood pressure50%
• Asthma49%
• Arthritis41%
• Osteoporosis29%
• Ischemic heart disease19%

Hospitals where Hannah H. Walford works

Medicare's Facility Affiliation Data lists Hannah H. Walford 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 Hannah H. Walford is enrolled with Medicare (CMS data updated October 2, 2026).

• 1300 Crane StMenlo Park, CA 94025 (650) 498‑6500

Group practices

Medicare enrollment lists Hannah H. Walford as a member of this group (CMS data updated October 2, 2026).

• University Healthcare Alliance327 clinicians in the group

Specialties

• Pediatric Medicineprimary
• Internal Medicinealso

Find other Pediatric Medicine doctors in California →

Other pediatricians in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Priscilla M. Mendoza, MD
• Kieuhoa Vo, MD
• Susan S. Laubach, MD
• Ricardo F. Villalba Lopez, MD
• Victor R. Velasco Andrade, MD
• Joyce C. Arpilleda, MD
• Yolanda A. Zapanta-Novero, MD
• Mark R. Hanudel, MD

All pediatricians in California →

Other clinicians in University Healthcare Alliance

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

• Irene E. Kelly, MD
• Naoko Ikeda, DO
• Joceliza G. Chaudhary, MD
• Maliha Qadir, MD
• Karen E. Kunzel, MD
• Leila Raminfar, MD

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