DR. MARISSA NIENJIA TSAO M.D.
NPI 1487901328
Obstetrics & Gynecology in Houston, TX

Active since August 09, 2012PECOS Enrolled
6441 HIGH STAR DR, HOUSTON, TX 77074(832) 548-5000 Get Directions Write a Review

NPPES record last updated: July 23, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 23, 2019, Mar 17, 2018, Feb 23, 2018 and 2 more (5 updates tracked since 2016).

About Dr. Marissa Nienjia Tsao M.d. NPPES

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

DR. MARISSA NIENJIA TSAO M.D. (NPI 1487901328) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (Q7492) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1487901328
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARISSA NIENJIA TSAOCredential: M.D.
Location Address6441 HIGH STAR DRHouston, TX 77074
Mailing AddressPo Box 66308Houston, TX 77266-6308 · (832) 548-5000
Sole ProprietorYes
Enumeration DateAugust 9, 2012
Last NPPES UpdateJuly 23, 20195 updates tracked since enumeration
NPI 1487901328 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 · Q7492
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.
6441 HIGH STAR DR, Houston, TX 77074

Secondary Practice Locations 3

Location 19645 Barker Cypress Rd Ste 100Cypress, TX 77433-5292 · Phone (281) 894-2900 · Fax (832) 604-7604
Location 227150 Highway 290 Unit 500Cypress, TX 77433-4930 · Phone (832) 237-4200 · Fax (832) 604-7604
Location 310680 Jones Rd Ste 600Houston, TX 77065-4295 · Phone (281) 477-0417 ext. 208 · Fax (832) 604-7604

Accepted 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. Marissa Nienjia Tsao 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 77074 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 20

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

Nurse Practitioner (Family)
6441 HIGH STAR DR
HOUSTON, TX 77074
Obstetrics & Gynecology
6441 HIGH STAR DR
HOUSTON, TX 77074
Obstetrics & Gynecology
6441 HIGH STAR DR
HOUSTON, TX 77074
Pediatrics
6441 HIGH STAR DR
HOUSTON, TX 77074
Obstetrics & Gynecology
6441 HIGH STAR DR
HOUSTON, TX 77074
Family Medicine
6441 HIGH STAR DR
HOUSTON, TX 77074
Social Worker (Clinical)
6441 HIGH STAR DR
HOUSTON, TX 77074
Nurse Practitioner (Adult Health)
6441 HIGH STAR DR
HOUSTON, TX 77074

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 Marissa Tsao's NPI number?

The NPI number for Marissa Tsao is 1487901328. It was assigned to this individual provider in the NPPES registry on August 9, 2012.

Where is Marissa Tsao located?

Marissa Tsao practices at 6441 High Star Dr, Houston, TX 77074. The listed phone number is (832) 548-5000.

What is Marissa Tsao's specialty?

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

Is Marissa Tsao enrolled in Medicare?

Yes. Marissa Tsao is registered in the Medicare PECOS enrollment system.

What insurance does Marissa Tsao accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Imperial Insurance Companies, Inc., Molina Healthcare and Oscar Insurance Company and 1 other insurer list Marissa Tsao 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 Marissa Tsao was last updated on July 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.