Quick answers
- Does Helen R. Nadel accept Medicare assignment?
- Yes. Medicare's clinician data says Helen R. Nadel 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 Helen R. Nadel see?
- In 2024, CMS data shows 32 Original Medicare patients and 52 services for Helen R. Nadel. This counts Original Medicare only and measures volume, not quality.
- What is Helen R. Nadel's NPI number?
- 1750877262. 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 Helen R. Nadel, 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 patients | 32 |
|---|---|
| Services billed to Medicare | 52 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 59 |
Most frequent services
- X-ray of chest, 1 view (71045)29 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%
- High cholesterol72%
- Chronic kidney disease72%
- Atrial fibrillation66%
- Heart failure59%
- Ischemic heart disease56%
Hospitals where Helen R. Nadel works
Medicare's Facility Affiliation Data lists Helen R. Nadel 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.
- Lucile Salter Packard Children's Hospital at StanfordPalo Alto, CA · Children's Hospital · Emergency services: not listed by Medicare · CCN 053305
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
Practice locations
Addresses where Helen R. Nadel is enrolled with Medicare (CMS data updated October 2, 2026).
- 170 Alameda De Las PulgasRedwood City, CA 94062 (650) 369‑5811
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
- 420 Broadway StRedwood City, CA 94063 (650) 723‑4000
- 450 Broadway StRedwood City, CA 94063 (650) 723‑4000
- 725 Welch RdPalo Alto, CA 94304 (650) 498‑7200
Group practices
Medicare enrollment lists Helen R. Nadel as a member of these groups (CMS data updated October 2, 2026).
- Stanford Health Care3,122 clinicians in the group
- LPCH Medical Group Div of Lucile337 clinicians in the group
Specialties
- Nuclear Medicineprimary
Other nuclear medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Stanford Health Care
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750877262 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians