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

Dr. Danh Thanh Dan, MD

Individual provider Internal Medicine Physician · NPI 1790917631

Dr. Danh Thanh Dan, MD is a Gastroenterology in Garden Grove, California. Graduated from Medical College of Wisconsin in 2008, 18 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Trained at
Medical College of Wisconsin
Licensed in
CA
In the registry since
2009
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

12688 Chapman Ave Ste 3116
Garden Grove, CA 92840-4041
Phone: (714) 697-9347
Fax: (714) 829-1388
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A112628 (CA)

Record details

NPI number1790917631
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 11, 2009
Last updated in NPPESNovember 18, 2021
Certification dateNovember 18, 2021
Mailing address12688 Chapman Ave, Suite 3116, Garden Grove, CA 92840-4041

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2008 (18 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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