Hoon-Ji Helen Choi, MD
Endocrinology, Diabetes & Metabolism
Also practices: INTERNAL MEDICINE
Hoon-Ji Helen Choi, MD has practiced internal medicine for 28+ years, working in group practice. Trained at University of Southern California Keck School of Medicine (class of 1998), she has been practicing for over 28 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and diabetes (per CMS data). CMS MIPS quality score: 75/100 (2023).
At a glance
- Federal MIPS score higher than 21% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 1152dNPPES updated 2023-03-11 · verify on CMS
Contact & Location
Practice Location
3772 Katella Ave Ste 107, Los Alamitos, CA 90720-6424
How Does This Doctor Compare?
MIPS Score
202375/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-8.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better44.1%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-38.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
584
Unique beneficiaries
High volumePrescription Recipients
353
Patients prescribed
Prescriptions Written
3,056
Total claims
Total Medicare drug cost: $2.07M
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 Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+21%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+20%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+3%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-8%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$242 received from industry
10 transactions 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 Hoon-Ji Helen Choi's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1998
Keck School of Medicine of Usc
Board certified · Mar 10, 2023
CMS-verified certification date
28 years in practice
Experienced
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Education & Training
University of Southern California Keck School of Medicine (Class of 1998)
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194098
View hospital on Medicare Care CompareVirtual Endocrinology, Diabetes & Metabolism Care With Hoon-Ji Helen Choi
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Hoon-Ji Helen Choi for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Los Alamitos 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 Hoon-Ji Helen Choi
NPI records show Dr. Choi as active with telehealth listed in Los Alamitos, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (562) 431-7877.
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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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 Hoon-Ji Helen Choi
Practice Location
3772 Katella Ave Ste 107, Los Alamitos, CA 90720-6424
Mailing Address
3772 Katella Ave Ste 107, Los Alamitos, CA 90720-6424
This is a provider directory. Contact the office directly to schedule appointments.
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