Irene Joan Chang, M.D.
Patients across CA can see Irene Joan Chang, M.D. in person in San Francisco or via virtual visit — no travel required. She has been practicing since 2014 — over 12 years. A clinical geneticist demonstrates competence in providing comprehensive diagnostic.
Older · 615dNPPES updated 2024-08-29 · verify on CMS
How Does This Doctor Compare?
MIPS Score
202374.47/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-9.1 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Prescriptions Written
23
Total claims
Total Medicare drug cost: $139k
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.
$38 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 Irene Joan Chang's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Aug 28, 2024
CMS-verified certification date
12 years in practice
Established
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
Taxonomy: 207SG0201X
Primary hospital affiliation: Acute Care - Veterans Administration
CMS Certification Number: 20003F
View hospital on Medicare Care CompareVirtual Clinical Genetics (M.D.) Care With Irene Joan Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Irene Joan Chang for follow-ups, medication reviews, and ongoing care — no travel to San Francisco 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 Irene Joan Chang
Dr. Chang is listed as active in the NPI registry with telehealth listed in San Francisco, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 476-2757.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024. 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 Irene Joan Chang
Practice Location
1825 4th St Fl 6, San Francisco, CA 94143-2350
Mailing Address
1825 4th St Fl 6, San Francisco, CA 94143-2350
This is a provider directory. Contact the office directly to schedule appointments.
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