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DR. STEPHEN KEN-WEI CHAO M.D.
NPI 1225299753
Family Medicine in Humble, TX

Active since June 18, 2008PECOS EnrolledAccepts Medicare Assignment
1712 1ST ST E # M20, HUMBLE, TX 77338(281) 446-4139(281) 446-4860 Get Directions Write a Review

NPPES record last updated: January 12, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 2, 2020, Dec 31, 2015 (2 updates tracked since 2015).

About Dr. Stephen Ken-wei Chao M.d. NPPES

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

DR. STEPHEN KEN-WEI CHAO M.D. (NPI 1225299753) is an individual family medicine provider in Humble, Texas, licensed in Texas (P0561) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Harris Health System, and is a graduate of University Of Texas Medical School At San Antonio (2008).

NPPES Registry Identity

NPI1225299753
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. STEPHEN KEN-WEI CHAOCredential: M.D.
Location Address1712 1ST ST E # M20Humble, TX 77338-5238
Mailing Address1712 E 1st St Ste M20Humble, TX 77338-5238 · (281) 448-4139 · Fax (281) 446-4860
Phone(281) 446-4139
Fax(281) 446-4860
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2008
Enumeration DateJune 18, 2008
Last NPPES UpdateJanuary 12, 20242 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2024
✔ NPI 1225299753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · P0561
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1712 1ST ST E # M20, Humble, TX 77338
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company.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

Dr. Stephen Ken-wei Chao M.d. 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 ID5193998375
PECOS Enrollment IDI20111103000468
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 Stephen Chao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ut Physicians
22 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325
Ut Physicians Specialty Services
22 mi
Family Medicine
6410 FANNIN ST, SUITE 170
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 124 clinicians in this Medicare group
NPI 1801945027 (832) 325-6500

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
75 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
37 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Harris Health System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77338 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$12.61 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$54.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

HARRIS COUNTY HOSPITAL DISTRICT
Pharmacy (Clinic Pharmacy)
1712 1ST ST E # M20
HUMBLE, TX 77338
Harris County (713) 842-4323
FALAK NAZ PASHA MD
Family Medicine
1712 1ST ST E # M20
HUMBLE, TX 77338
Harris County (814) 464-1392

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 Stephen Chao's NPI number?

The NPI number for Stephen Chao is 1225299753. It was assigned to this individual provider in the NPPES registry on June 18, 2008.

Where is Stephen Chao located?

Stephen Chao practices at 1712 1st St E # M20, Humble, TX 77338. The listed phone number is (281) 446-4139.

What is Stephen Chao's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Stephen Chao enrolled in Medicare?

Yes. Stephen Chao 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 organizations bill Medicare for Stephen Chao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Chao reassigns Medicare benefits to 2 organizations: Ut Physicians (Houston, TX) and Ut Physicians Specialty Services (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 Stephen Chao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Chao accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Stephen Chao 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.

Is Stephen Chao affiliated with any hospitals?

According to CMS data, Stephen Chao is affiliated with Harris Health System.

When was this NPI record last updated?

The NPPES record for Stephen Chao was last updated on January 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.