Stefan Guzewicz, CAA
NPI 1497265508 · Anesthesiologist Assistant · Dallas, TX
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stefan Guzewicz, CAA is a Anesthesiologist Assistant provider in Dallas, TX (NPI 1497265508).
Provider details
- NPI number
- 1497265508
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CAA
- Sex
- Male
- Sole proprietor
- No
- License
- AA399 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
84 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 23 | $78 |
| Anesthesia for Injection, Drainage Or Aspiration Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01938 | 23 | $52 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 14 | $66 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 12 | $65 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 12 | $148 |
Typical Medicare-allowed amounts for these services range $52–$148 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1 Shircliff WayJacksonville, FL 32204-4748Phone: (904) 308-7300
Registry dates
- Enumerated
- 2017-10-03
- Last updated
- 2022-10-18
- Certified
- 2022-10-18
Frequently asked questions
- What is Stefan Guzewicz's NPI number?
- Stefan Guzewicz's National Provider Identifier (NPI) is 1497265508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stefan Guzewicz's specialty?
- Stefan Guzewicz is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stefan Guzewicz located?
- Stefan Guzewicz's practice location on file with NPPES is 12222 Merit Dr Ste 600, Dallas, TX 75251-3294.
- What is Stefan Guzewicz's phone number?
- The practice phone number listed in the NPPES registry for Stefan Guzewicz is (972) 715-5000.
- Does Stefan Guzewicz accept Medicare?
- Stefan Guzewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stefan Guzewicz's NPI active?
- Yes — Stefan Guzewicz's NPI (1497265508) is active in the NPPES registry as of the last update on 2022-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.