DR. HAO CHI ZHANG MD
NPI 1124463476
Internal Medicine - Gastroenterology in Houston, TX
About Dr. Hao Chi Zhang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAO CHI ZHANG MD (NPI 1124463476) is an individual gastroenterology provider in Houston, Texas, licensed in Texas (S0412) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2013).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Other Identifiers 2
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. Hao Chi Zhang 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.
Medicare Billing Reassignment
Medicare enrollment records show Hao Chi Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,675 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.
Areas of Expertise CMS Part B claims 11
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.
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
HOUSTON, TX 77030
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 Hao Chi Zhang's NPI number?
The NPI number for Hao Chi Zhang is 1124463476. It was assigned to this individual provider in the NPPES registry on April 30, 2013. The provider is also known as Dr. Joseph Zhang M.D..
Where is Hao Chi Zhang located?
Hao Chi Zhang practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.
What is Hao Chi Zhang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Hao Chi Zhang enrolled in Medicare?
Yes. Hao Chi Zhang 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 Hao Chi Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hao Chi Zhang reassigns Medicare benefits to Physicians Referral Service (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 Hao Chi Zhang'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 Hao Chi Zhang was last updated on September 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.
# Dr. Hao Chi Zhang, MD · NPI 1124463476
Gastroenterology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since April 30, 2013.
## Identity
- **NPI:** 1124463476 (Entity type: Individual)
- **Enumerated:** April 30, 2013
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** S0412 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1515 HOLCOMBE BLVD, Houston, TX 77030-4000
- **Phone:** (713) 792-6161
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Physicians Referral Service (NPI 1073574810, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2013
## Record status
- **NPPES last updated:** September 23, 2019
- **Other identifiers:** Medicaid 400263601 (TX); Other 400263602 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1124463476) · Data from the CMS NPPES public registry.