IRENE JOAN CHANG M.D.
NPI 1033539671
Medical Genetics - Clinical Genetics (M.D.) in San Francisco, CA

Active since April 22, 2014PECOS EnrolledAccepts Medicare Assignment
74.46/100
CMS Quality Rating
1825 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 476-2757 Get Directions Write a Review

NPPES record last updated: August 29, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 3, 2019, May 22, 2019 (2 updates tracked since 2019).

About Irene Joan Chang M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IRENE JOAN CHANG M.D. (NPI 1033539671) is an individual clinical genetics (m.d.) provider in San Francisco, California, licensed in California (A186751) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1033539671
Entity TypeIndividualFemale
Primary Taxonomy207SG0201X
Provider Legal NameIRENE JOAN CHANGCredential: M.D.
Location Address1825 4TH ST FL 6San Francisco, CA 94143-2350
Mailing Address1825 4th St Fl 6San Francisco, CA 94143-2350 · (415) 476-2757
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 22, 2014
Last NPPES UpdateAugust 29, 20242 updates tracked since enumeration
NPPES CertifiedAugust 29, 2024
NPI 1033539671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
Licenses Licensed in CA · A186751 Licensed in WA · 60654898
Definition
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
Also ListedMedical Genetics · Clinical Biochemical GeneticsTaxonomy 207SG0202X · License MD60654898 (WA)
1825 4TH ST FL 6, San Francisco, CA 94143

Other Identifiers 1

Medicaid1033539671WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Irene Joan Chang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143538959
PECOS Enrollment IDI20230831001013
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
46 services14 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
15 services11 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Surgical)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology (Gynecologic Oncology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Endocrinology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Dietitian, Registered (Nutrition, Pediatric)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Psychologist (Clinical Child & Adolescent)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Irene Chang's NPI number?

The NPI number for Irene Chang is 1033539671. It was assigned to this individual provider in the NPPES registry on April 22, 2014.

Where is Irene Chang located?

Irene Chang practices at 1825 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 476-2757.

What is Irene Chang's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

Is Irene Chang enrolled in Medicare?

Yes. Irene Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Irene Chang accept?

Health plans from Providence Health Plan list Irene Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Irene Chang was last updated on August 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.