DR. CHRISTINA C. KAO M.D.
NPI 1558533901
Internal Medicine - Pulmonary Disease in Houston, TX

Active since March 26, 2008PECOS Enrolled
6720 BERTNER AVE STE C-355, HOUSTON, TX 77030(832) 355-2285(832) 355-9006 Get Directions Write a Review

NPPES record last updated: August 27, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2021, Jul 27, 2017 (2 updates tracked since 2017).

About Dr. Christina C. Kao M.d. NPPES

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

DR. CHRISTINA C. KAO M.D. (NPI 1558533901) is an individual pulmonary disease provider in Houston, Texas, licensed in Texas (M7315) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558533901
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. CHRISTINA C. KAOCredential: M.D.
Location Address6720 BERTNER AVE STE C-355Houston, TX 77030-2604
Mailing Address6620 Main St Ste 11b.02Houston, TX 77030-2348 · (713) 798-8057 · Fax (713) 798-2791
Fax(832) 355-9006
Sole ProprietorNo
Enumeration DateMarch 26, 2008
Last NPPES UpdateAugust 27, 20212 updates tracked since enumeration
NPPES CertifiedAugust 27, 2021
✔ NPI 1558533901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in TX · M7315
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License M7315 (TX)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License M7315 (TX)
6720 BERTNER AVE STE C-355, Houston, TX 77030

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Christina C. Kao 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Christina Kao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
Medical Genetics, Ph.D. Medical Genetics
7200 CAMBRIDGE ST FL 10
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,554 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
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

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 Christina Kao's NPI number?

The NPI number for Christina Kao is 1558533901. It was assigned to this individual provider in the NPPES registry on March 26, 2008.

Where is Christina Kao located?

Christina Kao practices at 6720 Bertner Ave Ste C-355, Houston, TX 77030. The listed phone number is (832) 355-2285.

What is Christina Kao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Christina Kao enrolled in Medicare?

Yes. Christina Kao is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christina Kao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Kao reassigns Medicare benefits to 2 organizations: Baylor College Of Medicine (Houston, TX) and Baylor College Of Medicine (Houston, 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 Christina Kao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christina Kao was last updated on August 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.