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

Dr. David Cong Tian, MD

Individual provider Addiction Medicine (Preventive Medicine) Physician · NPI 1427390186

Dr. David Cong Tian, MD is an Internal Medicine in Oakland, California. Graduated from Harvard Medical School in 2013, 13 years ago. Practices with City and County of San Francisco, a 369-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
13
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1411 E 31st St
Oakland, CA 94602-1092
Phone: (510) 437-5039
Fax: (510) 437-5134
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A134437 (CA)
Addiction Medicine (Preventive Medicine) Physician Taxonomy 2083A0300X · Licence A134437 (CA)

Record details

NPI number1427390186
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2013
Last updated in NPPESOctober 1, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2013 (13 years in practice)
Group practice City And County Of San Francisco — 369 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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