ANNIE HSIAO MD
NPI 1134624836
Obstetrics & Gynecology in Houston, TX

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment
6670 BERTNER AVE # R2-216, HOUSTON, TX 77030(713) 441-1577 Get Directions Write a Review

NPPES record last updated: November 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 17, 2021, Mar 26, 2018 (2 updates tracked since 2018).

About Annie Hsiao Md NPPES

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

ANNIE HSIAO MD (NPI 1134624836) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (T4180) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Houston, and is a graduate of Baylor College Of Medicine (2018).

NPPES Registry Identity

NPI1134624836
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameANNIE HSIAOCredential: MD
Location Address6670 BERTNER AVE # R2-216Houston, TX 77030-2602
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-4997
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2018
Enumeration DateMarch 26, 2018
Last NPPES UpdateNovember 17, 20212 updates tracked since enumeration
NPPES CertifiedNovember 17, 2021
✔ NPI 1134624836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · T4180
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
6670 BERTNER AVE # R2-216, Houston, TX 77030

Secondary Practice Location 1

Location 11111 Augusta DrHouston, TX 77057-2209 · Phone (713) 442-2400

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Annie Hsiao 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 ID4284016866
PECOS Enrollment IDI20220728002321
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.

Medicare Billing Reassignment

Medicare enrollment records show Annie Hsiao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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 3

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

Obstetrics & Gynecology
6670 BERTNER AVE # R2-216
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6670 BERTNER AVE # R2-216
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6670 BERTNER AVE # R2-216, HOUSTON METHODIST HOSPITAL - GRADUATE MEDICAL EDUCATION
HOUSTON, TX 77030

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 Annie Hsiao's NPI number?

The NPI number for Annie Hsiao is 1134624836. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is Annie Hsiao located?

Annie Hsiao practices at 6670 Bertner Ave # R2-216, Houston, TX 77030. The listed phone number is (713) 441-1577.

What is Annie Hsiao's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Annie Hsiao enrolled in Medicare?

Yes. Annie Hsiao 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.

Which organization bills Medicare for Annie Hsiao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annie Hsiao reassigns Medicare benefits to Kelsey-Seybold Medical Group, PLLC (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annie Hsiao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Annie Hsiao accept?

Health plans from UnitedHealthcare list Annie Hsiao 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 Annie Hsiao was last updated on November 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.