George Gieszl, MD
NPI 1629059340 · Anesthesiology Physician · Tempe, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Gieszl, MD is a Anesthesiology Physician provider in Tempe, AZ (NPI 1629059340).
Provider details
- NPI number
- 1629059340
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6305 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
301 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 77 | $42 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 34 | $401 |
| Anesthesia for X-Ray on Artery of Brain, Heart, Or Chest01926 | 31 | $328 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 28 | $100 |
| Anesthesia for X-Ray on Arteries01924 | 24 | $230 |
| Anesthesia for Other Procedure on Artery of Upper Leg01270 | 21 | $436 |
| Anesthesia for Placement Or Revision of Blood Flow Shunt |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2010-07-29
Frequently asked questions
- What is George Gieszl's NPI number?
- George Gieszl's National Provider Identifier (NPI) is 1629059340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Gieszl's specialty?
- George Gieszl is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is George Gieszl located?
- George Gieszl's practice location on file with NPPES is 2000 E Southern Ave, Tempe, AZ 85282-7510.
- What is George Gieszl's phone number?
- The practice phone number listed in the NPPES registry for George Gieszl is (480) 820-9141.
- Does George Gieszl accept Medicare?
- George Gieszl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Gieszl's NPI active?
- Yes — George Gieszl's NPI (1629059340) is active in the NPPES registry as of the last update on 2010-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.