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VICTORIA ANN CHANG MD
NPI 1659833283
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
74.46/100
CMS Quality Rating
1651 4TH ST STE 232, SAN FRANCISCO, CA 94158(415) 353-2311 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 12, 2026, Apr 2, 2019 (2 updates tracked since 2019).

About Victoria Ann Chang Md NPPES

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

VICTORIA ANN CHANG MD (NPI 1659833283) is an individual neurology provider in San Francisco, California, licensed in California (A186180) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2019).

NPPES Registry Identity

NPI1659833283
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameVICTORIA ANN CHANGCredential: MD
Location Address1651 4TH ST STE 232San Francisco, CA 94158-2324
Mailing Address1651 4th St Ste 232San Francisco, CA 94158-2324 · (415) 353-2311
Phone(415) 353-2311
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2019
Enumeration DateApril 2, 2019
Last NPPES UpdateJanuary 12, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1659833283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A186180
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1651 4TH ST STE 232, San Francisco, CA 94158
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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

Victoria Ann Chang Md 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 ID3375878226
PECOS Enrollment IDI20230905003709
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 4

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.
168 services59 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.
53 services50 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
39 services39 patients
Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle 95874
This procedure involves a needle that measures the electrical activity in your muscles. A chemical is then injected to temporarily paralyze the nerve muscle. This helps in diagnosing and treating certain muscle or nerve conditions.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94158 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 4

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

DR. GAD AVIGDOR ESHED MD
Psychiatry & Neurology (Neurology)
1651 4TH ST STE 232
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-2311
EDITH JIA-JIUN YUAN
Psychiatry & Neurology (Neurology)
1651 4TH ST STE 232
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-2311
FATEMEH SADEGHIFAR
Psychiatry & Neurology (Neurology)
1651 4TH ST STE 232
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-2311
PHUONG THI HOANG MD, PHD
Student in an Organized Health Care Education/Training Program
1651 4TH ST STE 232
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-2311

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 Victoria Chang's NPI number?

The NPI number for Victoria Chang is 1659833283. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Victoria Chang located?

Victoria Chang practices at 1651 4th St Ste 232, San Francisco, CA 94158. The listed phone number is (415) 353-2311.

What is Victoria Chang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Victoria Chang enrolled in Medicare?

Yes. Victoria 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.

When was this NPI record last updated?

The NPPES record for Victoria Chang was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.