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

Susan Ramos Tan, MD

Individual provider Specialist · NPI 1558451112

Susan Ramos Tan, MD is an Obstetrics/Gynecology in Barstow, California. Qualified in 1986, 40 years ago. Practices with Sac Health System, a 220-clinician group. Licensed in California.

Years since qualifying
40
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

705 E Virginia Way Ste I
Barstow, CA 92311-3955
Phone: (760) 255-3900
Fax: (760) 255-3980
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A68769 (CA)
Specialist Taxonomy 174400000X · Licence A68769 (CA)

Record details

NPI number1558451112
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESAugust 28, 2025
Certification dateAugust 27, 2025

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Sac Health System — 220 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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