Tiffany Ngai, M.D.
Infectious Disease Internal Medicine
Tiffany Ngai is an Infectious Disease Internal Medicine specialist based in Santa Rosa, CA with over 13 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Patients across CA can see Tiffany Ngai, M.D. in person in Santa Rosa or via virtual visit — no travel required. She has been in practice for 13+ years. She regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
Older · 1657dNPPES updated 2021-11-09 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1165 Montgomery Dr, Santa Rosa, CA 95405-4801
How Does This Doctor Compare?
Medicare Patients
166
Unique beneficiaries
Standard volumePrescription Recipients
29
Patients prescribed
Prescriptions Written
144
Total claims
Total Medicare drug cost: $11k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
The heart cannot pump blood efficiently enough to meet the body's needs
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
A mood disorder causing persistent sadness and loss of interest in activities
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Nov 8, 2021
Self-reported via NPPES
13 years in practice
Established
Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.
Taxonomy: 207RI0200X
Mailing address
155 N Fresno St, Fresno, CA 93701-2302
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190266
View hospital on Medicare Care CompareVirtual Infectious Disease Care With Tiffany Ngai
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Tiffany Ngai for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Santa Rosa required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Tiffany Ngai
NPI records show Dr. Ngai as active with telehealth listed in Santa Rosa, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (707) 547-5437.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Tiffany Ngai
Practice Location
1165 Montgomery Dr, Santa Rosa, CA 95405-4801
Mailing Address
155 N Fresno St, Fresno, CA 93701-2302
This is a provider directory. Contact the office directly to schedule appointments.
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