Monica Tsai
Monica Tsai is an Allergy & Immunology specialist based in Orange, CA with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Monica Tsai specializes in internal medicine, serving patients in Orange, CA in group practice. Trained at University of California, Geffen School of Medicine (class of 2014), she has been practicing for over 12 years. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and asthma. CMS MIPS quality score: 86.1/100 (2023).
At a glance
- Federal MIPS score higher than 62% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 128dNPPES updated 2026-01-16 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California.
MIPS Score
202386.1/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+2.5 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better62.9%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-19.9 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
19
Unique beneficiaries
Boutique practicePrescription Recipients
18
Patients prescribed
Prescriptions Written
70
Total claims
Total Medicare drug cost: $71k
Percentile rankings compared against 9,360 reporting peers in California.
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 High Cholesterol, Hypertension, and Asthma.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+4%) — a focus area for this doctor
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+45%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$128 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Monica Tsai's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2014
David Geffen School of Medicine at Ucla
Board certified · Jan 15, 2026
Self-reported via NPPES
12 years in practice
Established
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
Taxonomy: 207RA0201X
Education & Training
University of California, Geffen School of Medicine (Class of 2014)
Mailing address
5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194098
View hospital on Medicare Care CompareVirtual Allergy & Immunology Care With Monica Tsai
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Monica Tsai for cholesterol management, blood pressure monitoring, asthma reviews — no travel to Orange 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 Monica Tsai
Dr. Tsai is listed as active in the NPI registry with telehealth listed in Orange, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 456-8888.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Monica Tsai
Practice Location
101 the City Dr S, Orange, CA 92868-3201
Mailing Address
5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631
This is a provider directory. Contact the office directly to schedule appointments.
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