DR. GUIHONG XU M.D.
NPI 1164416632
Anesthesiology in Tucson, AZ
About Dr. Guihong Xu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUIHONG XU M.D. (NPI 1164416632) is an individual anesthesiology provider in Tucson, Arizona, licensed in Arizona (28312) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Sacred Heart Medical Center - Riverbend, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted 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. Guihong Xu 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
5Medicare enrollment records show Guihong Xu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85719
- Reassigned Medicare billing, Arizona enrollment
- 86 clinicians in this Medicare group
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 264 clinicians in this Medicare group
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Flagstaff, AZ 86001
- Reassigned Medicare billing, Arizona enrollment
- 552 clinicians in this Medicare group
Springfield, OR 97477
- Reassigned Medicare billing, Oregon enrollment
- 123 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sacred Heart Medical Center - Riverbend
Acute Care Hospitals · Springfield, ORMedicare 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.
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 Guihong Xu's NPI number?
The NPI number for Guihong Xu is 1164416632. It was assigned to this individual provider in the NPPES registry on September 9, 2005. The provider is also known as Dr. Guihong Peter Xu M.D..
Where is Guihong Xu located?
Guihong Xu practices at 3390 N Campbell Ave Ste 110, Tucson, AZ 85719. The listed phone number is (520) 795-7650.
What is Guihong Xu's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Guihong Xu enrolled in Medicare?
Yes. Guihong Xu 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 Guihong Xu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guihong Xu reassigns Medicare benefits to 5 organizations: Southern Arizona Anesthesia Services, PC (Tucson, AZ), Ias Arizona PLLC (Tucson, AZ), Banner-University Medical Group (Tucson, AZ), Northern Arizona Healthcare Corporation (Flagstaff, AZ) and Northwest Anesthesia Physicians PC (Springfield, OR). 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 Guihong Xu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Guihong Xu accept?
Health plans from Imperial Insurance Companies, Inc. list Guihong Xu 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 Guihong Xu affiliated with any hospitals?
According to CMS data, Guihong Xu is affiliated with Sacred Heart Medical Center - Riverbend.
When was this NPI record last updated?
The NPPES record for Guihong Xu was last updated on February 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Guihong Xu, M.D. · NPI 1164416632
Anesthesiology physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since September 9, 2005.
## Identity
- **NPI:** 1164416632 (Entity type: Individual)
- **Enumerated:** September 9, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 28312 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 3390 N CAMPBELL AVE, STE 110, Tucson, AZ 85719-2380
- **Phone:** (520) 795-7650 · **Fax:** (520) 325-1622
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Southern Arizona Anesthesia Services, PC (NPI 1912999343, Tucson, AZ); Ias Arizona PLLC (NPI 1689359747, Tucson, AZ); Banner-University Medical Group (NPI 1639842677, Tucson, AZ); Northern Arizona Healthcare Corporation (NPI 1669914552, Flagstaff, AZ); Northwest Anesthesia Physicians PC (NPI 1770531196, Springfield, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** February 10, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1164416632) · Data from the CMS NPPES public registry.