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

Tiffany Ngai, MD

Individual provider Internal Medicine Physician · NPI 1215378930

Tiffany Ngai, MD is an Infectious Disease in Santa Rosa, California. Qualified in 2013, 13 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
13
Licensed in
CA
In the registry since
2013
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

1165 Montgomery Dr
Santa Rosa, CA 95405-4801
Phone: (707) 547-5437
Fax: (707) 547-5430
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 500 W Hospital Rd, French Camp, CA 95231-9693 — (209) 468-6000
  • 155 N Fresno St, Fresno, CA 93701 — (559) 499-6484

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence A138387 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A138387 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1215378930
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2013
Last updated in NPPESNovember 9, 2021
Certification dateNovember 9, 2021

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Santa Rosa