DR. ELLEN YULIN CHANG MD
NPI 1427450212
Radiology - Diagnostic Radiology in San Francisco, CA

Active since September 23, 2014PECOS EnrolledAccepts Medicare Assignment
1001 POTRERO AVENUE, BUILDING 5, 1ST FLOOR, SAN FRANCISCO, CA 94110(628) 206-8020 Get Directions Write a Review

NPPES record last updated: August 29, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 29, 2022, Aug 26, 2022, Sep 10, 2020 and 2 more (5 updates tracked since 2019).

About Dr. Ellen Yulin Chang Md NPPES

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

DR. ELLEN YULIN CHANG MD (NPI 1427450212) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A168940) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1427450212
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. ELLEN YULIN CHANGCredential: MD
Location Address1001 POTRERO AVENUE, BUILDING 5, 1ST FLOORSan Francisco, CA 94110-3518
Mailing AddressPo Box 743749Los Angeles, CA 90074-3749
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateSeptember 23, 2014
Last NPPES UpdateAugust 29, 20225 updates tracked since enumeration
NPPES CertifiedAugust 29, 2022
NPI 1427450212 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in CA · A168940 Licensed in MO · 2019019873
Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1001 POTRERO AVENUE, San Francisco, CA 94110

Secondary Practice Location 1

Location 11500 San Pablo St Fl 2Los Angeles, CA 90033-5313 · Phone (323) 442-8541

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

Dr. Ellen Yulin 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 ID7911205372
PECOS Enrollment IDI20200619001405
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 45

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,087 services879 patients
X-ray of abdomen, 1 view 74018
An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.
502 services295 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
402 services384 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
323 services264 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
301 services277 patients
X-ray of lower and sacral spine, 2-3 views 72100
An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.
213 services211 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Anesthesiology
1001 POTRERO AVENUE, RM 3C34
SAN FRANCISCO, CA 94110
Anesthesiology
1001 POTRERO AVENUE, RM 3C34
SAN FRANCISCO, CA 94110
Orthopaedic Surgery
1001 POTRERO AVENUE, RM3A36
SAN FRANCISCO, CA 94110
Anesthesiology
1001 POTRERO AVENUE, RM 3C34
SAN FRANCISCO, CA 94110
Psychiatry & Neurology (Neurology)
1001 POTRERO AVENUE, RM 4M62
SAN FRANCISCO, CA 94110
Urology
1001 POTRERO AVENUE, RM 3A20
SAN FRANCISCO, CA 94110
Orthopaedic Surgery
1001 POTRERO AVENUE, RM 3A36
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVENUE, RM 6D14
SAN FRANCISCO, CA 94110

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 Ellen Chang's NPI number?

The NPI number for Ellen Chang is 1427450212. It was assigned to this individual provider in the NPPES registry on September 23, 2014.

Where is Ellen Chang located?

Ellen Chang practices at 1001 Potrero Avenue Building 5, 1st Floor, San Francisco, CA 94110. The listed phone number is (628) 206-8020.

What is Ellen Chang's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Ellen Chang enrolled in Medicare?

Yes. Ellen 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 Ellen Chang was last updated on August 29, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.