JIAN GUAN M.D.
NPI 1053799304
Internal Medicine - Hematology & Oncology in Houston, TX
About Jian Guan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JIAN GUAN M.D. (NPI 1053799304) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (T1083) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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
Jian Guan 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.
Medicare Billing Reassignments
4Medicare enrollment records show Jian Guan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,407 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 1,579 clinicians in this Medicare group
Orlando, FL 32806
- Reassigned Medicare billing, Florida enrollment
- 191 clinicians in this Medicare group
Orlando, FL 32803
- Reassigned Medicare billing, Florida enrollment
- 3,005 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 6
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXHouston Methodist Willowbrook Hospital
Acute Care Hospitals · Houston, TXHouston Methodist The Woodlands Hospital
Acute Care Hospitals · The Woodlands, TXPhysician 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.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Jian Guan's NPI number?
The NPI number for Jian Guan is 1053799304. It was assigned to this individual provider in the NPPES registry on May 7, 2015.
Where is Jian Guan located?
Jian Guan practices at 6445 Main St Fl 24, Houston, TX 77030. The listed phone number is (713) 441-9948.
What is Jian Guan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Jian Guan enrolled in Medicare?
Yes. Jian Guan 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 Jian Guan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jian Guan reassigns Medicare benefits to 4 organizations: Tmh Physician Associates PLLC (Houston, TX), Houston Methodist Specialty Physicians (Houston, TX), Central Florida Hospitalist Partners PA (Orlando, FL) and Florida Hospital Medical Group Inc (Orlando, FL). 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 Jian Guan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jian Guan affiliated with any hospitals?
According to CMS data, Jian Guan is affiliated with Houston Methodist Hospital, Houston Methodist Baytown Hospital, Houston Methodist Sugarland Hospital, Houston Methodist Willowbrook Hospital and Houston Methodist The Woodlands Hospital.
When was this NPI record last updated?
The NPPES record for Jian Guan was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.