STEFAN GUZEWICZ CAA
NPI 1497265508
Anesthesiologist Assistant in Dallas, TX
About Stefan Guzewicz Caa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN GUZEWICZ CAA (NPI 1497265508) is an individual anesthesiologist assistant in Dallas, Texas, licensed in Texas (22528435) and active in the NPI registry since October 2017. He is affiliated with Memorial Hermann Hospital System, maintains a secondary practice location in Jacksonville, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Stefan Guzewicz Caa 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
6Medicare enrollment records show Stefan Guzewicz reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75219
- Reassigned Medicare billing, Texas enrollment
- 495 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
San Antonio, TX 78240
- Reassigned Medicare billing, Texas enrollment
- 116 clinicians in this Medicare group
Dunedin, FL 34698
- Reassigned Medicare billing, Florida enrollment
- 749 clinicians in this Medicare group
Clearwater, FL 33759
- Reassigned Medicare billing, Florida enrollment
- 2,009 clinicians in this Medicare group
St Petersburg, FL 33716
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Anesthesiologists Of Greater Orlando Inc
- 530 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXHca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXMedicare 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.
DALLAS, TX 75251
DALLAS, TX 75251
DALLAS, TX 75251
DALLAS, TX 75251
DALLAS, TX 75251
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 Stefan Guzewicz's NPI number?
The NPI number for Stefan Guzewicz is 1497265508. It was assigned to this individual provider in the NPPES registry on October 3, 2017.
Where is Stefan Guzewicz located?
Stefan Guzewicz practices at 12222 Merit Dr Ste 600, Dallas, TX 75251. The listed phone number is (972) 715-5000.
What is Stefan Guzewicz's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Stefan Guzewicz enrolled in Medicare?
Yes. Stefan Guzewicz 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 Stefan Guzewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Guzewicz reassigns Medicare benefits to 6 organizations: Independent Physicians Network PLLC (Dallas, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Texas Anesthesia Team PLLC (San Antonio, TX), Greater Florida Anesthesiologists, LLC (Dunedin, FL), Baycare Medical Group, Inc. (Clearwater, FL) and 1 more organization, listed in the Medicare section above. 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 Stefan Guzewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefan Guzewicz accept?
Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare and Oscar Insurance Company list Stefan Guzewicz 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 Stefan Guzewicz affiliated with any hospitals?
According to CMS data, Stefan Guzewicz is affiliated with Memorial Hermann Hospital System and Hca Houston Healthcare Kingwood.
When was this NPI record last updated?
The NPPES record for Stefan Guzewicz was last updated on October 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Stefan Guzewicz, CAA · NPI 1497265508
Anesthesiologist Assistant physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since October 3, 2017.
## Identity
- **NPI:** 1497265508 (Entity type: Individual)
- **Enumerated:** October 3, 2017
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 22528435 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 12222 MERIT DR STE 600, Dallas, TX 75251-3294
- **Phone:** (972) 715-5000 · **Fax:** (972) 715-9976
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Independent Physicians Network PLLC (NPI 1396274676, Dallas, TX); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Texas Anesthesia Team PLLC (NPI 1467037937, San Antonio, TX); Greater Florida Anesthesiologists, LLC (NPI 1063084218, Dunedin, FL); Baycare Medical Group, Inc. (NPI 1043269871, Clearwater, FL); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1497265508) · Data from the CMS NPPES public registry.