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DR. SYDNEY CHANG M.D.
NPI 1831568971
Obstetrics & Gynecology - Reproductive Endocrinology in Austin, TX

Active since September 18, 2015PECOS Enrolled
5301 SOUTHWEST PKWY STE 350, AUSTIN, TX 78735(737) 497-9944(855) 227-8137 Get Directions Write a Review

NPPES record last updated: February 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 11, 2025, Oct 2, 2024, Jan 2, 2024 and 2 more (5 updates tracked since 2021).

About Dr. Sydney Chang M.d. NPPES

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

DR. SYDNEY CHANG M.D. (NPI 1831568971) is an individual reproductive endocrinology provider in Austin, Texas, licensed in Texas (U0762) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831568971
Entity TypeIndividualFemale
Primary Taxonomy207VE0102X
Provider Legal NameDR. SYDNEY CHANGCredential: M.D.
Location Address5301 SOUTHWEST PKWY STE 350Austin, TX 78735-8985
Mailing Address5301 Southwest Pkwy Ste 350Austin, TX 78735-8985 · (737) 497-9944 · Fax (855) 227-8137
Phone(737) 497-9944
Fax(855) 227-8137
Sole ProprietorNo
Enumeration DateSeptember 18, 2015
Last NPPES UpdateFebruary 11, 20255 updates tracked since enumeration
NPPES CertifiedFebruary 11, 2025
✔ NPI 1831568971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code207VE0102X
License✔ Licensed in TX · U0762
Definition

An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

5301 SOUTHWEST PKWY STE 350, Austin, TX 78735
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sydney Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78735 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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.

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.

ATX IVF MD PRACTICE PLLC
Obstetrics & Gynecology (Reproductive Endocrinology)
5301 SOUTHWEST PKWY STE 350
AUSTIN, TX 78735
Travis County (727) 410-3707
DR. AMY KRISTEN CHEN
Acupuncturist
5301 SOUTHWEST PKWY STE 350
AUSTIN, TX 78735
Travis County (512) 738-3757
CCRM AUSTIN, LLC
Clinic/Center (Ambulatory Surgical)
5301 SOUTHWEST PKWY STE 350
AUSTIN, TX 78735
Travis County (727) 410-3707
MIA VASSALLO L.AC
Acupuncturist
5301 SOUTHWEST PKWY STE 350
AUSTIN, TX 78735
Travis County (512) 738-3757

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 Sydney Chang's NPI number?

The NPI number for Sydney Chang is 1831568971. It was assigned to this individual provider in the NPPES registry on September 18, 2015.

Where is Sydney Chang located?

Sydney Chang practices at 5301 Southwest Pkwy Ste 350, Austin, TX 78735. The listed phone number is (737) 497-9944.

What is Sydney Chang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Is Sydney Chang enrolled in Medicare?

Yes. Sydney Chang is registered in the Medicare PECOS enrollment system.

What insurance does Sydney Chang accept?

Health plans from Blue Cross and Blue Shield of Texas list Sydney 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 Sydney Chang was last updated on February 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.