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CHUNDAR TSAI M.D.
NPI 1679530158
Obstetrics & Gynecology in Houston, TX

Active since April 27, 2006PECOS Enrolled
1801 BINZ ST, SUITE 500, HOUSTON, TX 77004(713) 522-3333(713) 522-4434 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Chundar Tsai M.d. NPPES

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

CHUNDAR TSAI M.D. (NPI 1679530158) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (K1764) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1995).

NPPES Registry Identity

NPI1679530158
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameCHUNDAR TSAICredential: M.D.
Location Address1801 BINZ ST, SUITE 500Houston, TX 77004-7296
Mailing Address1801 Binz St, Suite 500Houston, TX 77004-7296 · (713) 522-3333 · Fax (713) 522-4434
Phone(713) 522-3333
Fax(713) 522-4434
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1995
Enumeration DateApril 27, 2006
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1679530158 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 · K1764
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.
1801 BINZ ST, Houston, TX 77004
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Other Identifiers 1

Medicaid038349901TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Harbor Health, Molina Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chundar Tsai M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527223452
PECOS Enrollment IDI20120627000535
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 Reassignments

5

Medicare enrollment records show Chundar Tsai reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Plaza Ob-Gyn Associates
Same address
Obstetrics & Gynecology
1801 BINZ STREET, SUITE 500
Houston, TX 77004
  • Reassigned Medicare billing, Texas enrollment
  • 9 clinicians in this Medicare group
NPI 1740384908 (713) 522-3333
Womans Health Group PLLC
2.3 mi
Obstetrics & Gynecology
7580 FANNIN ST, STE 335
Houston, TX 77054
  • Reassigned Medicare billing, Texas enrollment
  • 27 clinicians in this Medicare group
NPI 1750532545 (713) 797-9170
Obhg Texas Holdings, P.A.
147 mi
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 clinicians in this Medicare group
NPI 1083917769 (800) 967-2289
Hca Houston Ob Hospitalist, PLLC
182 mi
Obstetrics & Gynecology
3315 S ALAMEDA ST
Corpus Christi, TX 78411
  • Reassigned Medicare billing, Texas enrollment
  • 97 clinicians in this Medicare group
NPI 1144081431 (615) 372-5426
Shannon Clinic
324 mi
Family Medicine
120 E BEAUREGARD AVE
San Angelo, TX 76903
  • Reassigned Medicare billing, Texas enrollment
  • 671 clinicians in this Medicare group
NPI 1770587149 (325) 658-1511

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 77004 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 5

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

BINZ SURGERY CENTER, LLC
Clinic/Center (Ambulatory Surgical)
1801 BINZ ST, SUITE 200
HOUSTON, TX 77004
Harris County (713) 522-3333
SOUTHMORE SURGICAL GROUP
Obstetrics & Gynecology
1801 BINZ ST, SUITE 225
HOUSTON, TX 77004
Harris County (713) 600-8919
CRYSTAL BAO NGOC NGUYEN
Physical Therapist
1801 BINZ ST
HOUSTON, TX 77004
Harris County (713) 267-4620
AMERICAN SINUS INSTITUTE PLLC
Specialist
1801 BINZ ST, SUITE 400
HOUSTON, TX 77004
Harris County (281) 804-3351
TINY TEXANS GENERAL ANESTHESIA DENTISTRY, PLLC
Dentist
1801 BINZ ST
HOUSTON, TX 77004
Harris County (346) 826-3899

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 Chundar Tsai's NPI number?

The NPI number for Chundar Tsai is 1679530158. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Chundar Tsai located?

Chundar Tsai practices at 1801 Binz St Suite 500, Houston, TX 77004. The listed phone number is (713) 522-3333.

What is Chundar Tsai's specialty?

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

Is Chundar Tsai enrolled in Medicare?

Yes. Chundar Tsai is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chundar Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chundar Tsai reassigns Medicare benefits to 5 organizations: Plaza Ob-Gyn Associates (Houston, TX), Womans Health Group PLLC (Houston, TX), Obhg Texas Holdings, P.A. (Austin, TX), Hca Houston Ob Hospitalist, PLLC (Corpus Christi, TX) and Shannon Clinic (San Angelo, TX). Each 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 Chundar Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chundar Tsai accept?

Health plans from Blue Cross and Blue Shield of Texas, Harbor Health, Molina Healthcare, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit and 1 other insurer list Chundar Tsai 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 Chundar Tsai was last updated on February 11, 2022. 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.