Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Helen Ruth Nadel, MD

Individual provider Diagnostic Radiology Physician · NPI 1750877262

Helen Ruth Nadel, MD is a Nuclear Medicine in Palo Alto, California. Qualified in 1977, 49 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Licensed in
CA
In the registry since
2018
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

725 Welch Rd
Palo Alto, CA 94304-1601
Phone: (650) 497-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 750 Welch Road, Stanford, CA 94305-5913 — (607) 379-3708

Specialties & licences

Nuclear Radiology Physician (primary) Taxonomy 2085N0904X · Licence C156733 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence C156733 (CA)
Nuclear Medicine Physician Taxonomy 207U00000X · Licence C156733 (CA)
Pediatric Radiology Physician Taxonomy 2085P0229X · Licence C156733 (CA)

Record details

NPI number1750877262
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 9, 2018
Last updated in NPPESApril 8, 2024
Certification dateApril 8, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNUCLEAR MEDICINE
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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