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

Dr. Tonny M Lee, MD

Individual provider Gastroenterology Physician · NPI 1639118748

Dr. Tonny M Lee, MD is a Gastroenterology in Torrance, California. Graduated from Northwestern University Feinberg Medical School in 1997, 29 years ago. Practices with South Bay Gastroenterology Medical Group, a 12-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
29
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA
In the registry since
2006
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

23456 Hawthorne Blvd Ste 300
Torrance, CA 90505-4716
Phone: (310) 539-2055
Fax: (310) 530-3263
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A68665 (CA)

Record details

NPI number1639118748
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESJune 24, 2021
Certification dateJune 24, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1997 (29 years in practice)
Group practice South Bay Gastroenterology Medical Group — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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