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

Dr. Swaminadhan Gnanashanmugam, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1073765517

Dr. Swaminadhan Gnanashanmugam, MD is a Thoracic Surgery in Saint Helena, California. Graduated from Northwestern University Feinberg Medical School in 2008, 18 years ago. Practices with Adventist Health Physicians Network, a 632-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California, Florida and Illinois.

Years since qualifying
18
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA, FL, IL
In the registry since
2008
Specialties on file
3
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

10 Woodland Rd
Saint Helena, CA 94574-9554
Phone: (650) 804-8093
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 17360 Brookhurst Street, Fountain Valley, CA 92708-3720 — (714) 665-1797
  • 1350 Hickory St, Melbourne, FL 32901-3224 — (321) 434-3455

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence A171765 (CA)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 036157660 (IL)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence ME173914 (FL)

Record details

NPI number1073765517
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 15, 2008
Last updated in NPPESNovember 11, 2025
Certification dateNovember 11, 2025

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Also practisesCARDIAC SURGERY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2008 (18 years in practice)
Group practice Adventist Health Physicians Network — 632 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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