GEORGE SCOTT GIESZL JR. MD
NPI 1629059340
Anesthesiology in Tempe, AZ

Q: What is George Gieszl's NPI number?

The NPI number for George Gieszl is 1629059340. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Q: What is George Gieszl's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for George Gieszl was last updated on July 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since November 09, 2005PECOS EnrolledAccepts Medicare Assignment

2000 E SOUTHERN AVE, SUITE 102, TEMPE, AZ 85282(480) 820-9141(480) 820-3785 Get Directions Write a Review

NPPES record last updated: July 29, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About George Scott Gieszl Jr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE SCOTT GIESZL JR. MD (NPI 1629059340) is an individual anesthesiology provider in Tempe, Arizona, licensed in Arizona (6305) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Cincinnati College Of Medicine And Surgery (1970).

NPPES Registry Identity

NPI1629059340

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameGEORGE SCOTT GIESZL JR.Credential: MD

Location Address2000 E SOUTHERN AVE, SUITE 102Tempe, AZ 85282-7510

Mailing AddressPo Box 22057Tempe, AZ 85285-2057 · (480) 820-9141 · Fax (480) 820-3785

Phone(480) 820-9141

Fax(480) 820-3785

Sole ProprietorNo

Medical School CMSCincinnati College Of Medicine And SurgeryGraduated 1970

Enumeration DateNovember 9, 2005

Last NPPES UpdateJuly 29, 2010

✔ NPI 1629059340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in AZ · 6305

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

2000 E SOUTHERN AVE, Tempe, AZ 85282

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Other Identifiers 3

Medicare ID-Type UnspecifiedOSWCHHN03

Medicaid222373AZ

Medicare UPIND36907

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna Healthcare, Oscar Health and more.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

George Scott Gieszl Jr. Md 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.

PECOS PAC ID9335265537

PECOS Enrollment IDI20100924000912

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show George Gieszl reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner Hospital Based Physicians Arizona LLC

10 mi

Multi-Specialty

1900 N HIGLEY RD
Gilbert, AZ 85234

Reassigned Medicare billing, Arizona enrollment
1,081 clinicians in this Medicare group

NPI 1124374822 (480) 543-2034

Anesthesia Partners Of Arizona LLC

880 mi

Anesthesiology

2221 LAKESIDE BLVD STE 600
Richardson, TX 75082

Reassigned Medicare billing, Arizona enrollment
390 clinicians in this Medicare group

NPI 1619452901 (855) 285-2455

Resource Anesthesiology Associates Of Tn PC

1,255 mi

Anesthesiology

1265 UNION AVE
Memphis, TN 38104

Reassigned Medicare billing, Tennessee enrollment
255 clinicians in this Medicare group

NPI 1316724073 (877) 580-2303

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 12

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.

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

77 services76 patients

Anesthesia for procedure to assess heart electrical activity 00537

Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.

34 services33 patients

Anesthesia for x-ray on artery of brain, heart, or chest 01926

Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.

31 services31 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

28 services28 patients

Anesthesia for x-ray on arteries 01924

Anesthesia for x-ray on arteries is a procedure to ensure comfort during imaging tests. A medicine is given to make you relaxed or sleep, minimizing any discomfort. It's typically used for invasive procedures to examine arteries for blockages or other issues.

24 services24 patients

Anesthesia for other procedure on artery of upper leg 01270

Anesthesia for a procedure on the artery of your upper leg helps ensure comfort and pain-free experience. It numbs the area so you won't feel any discomfort during the procedure. It's administered by a trained professional and monitored throughout.

21 services19 patients

Anesthesia for placement or revision of blood flow shunt 01844

Anesthesia for blood flow shunt placement or revision ensures comfort during the procedure. It involves medication to numb or induce sleep, preventing pain or discomfort. It's safe, monitored by professionals, and tailored to individual needs.

17 services17 patients

Anesthesia for x-ray on artery of neck or heart 01925

Anesthesia for an X-ray on the artery of your neck or heart ensures comfort during the procedure. It involves medication to numb or make you unconscious, so you don't feel pain. It's safe, monitored by professionals, and wears off after the procedure.

15 services15 patients

Anesthesia for procedure on heart and large blood vessels 00560

Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.

14 services14 patients

Anesthesia for other x-ray on vein or lymph system 01930

Anesthesia for an x-ray on the vein or lymph system is a medical procedure where medication is given to eliminate any discomfort. It helps ensure you don't feel pain during the x-ray. It can be general (you're asleep) or local (only a specific area is numbed).

14 services13 patients

Anesthesia for other procedure on large blood vessel of neck 00350

Anesthesia for a procedure on a large neck blood vessel ensures comfort and safety. It involves administering medication to numb sensation, reduce pain, and potentially cause sleepiness. This allows doctors to perform the necessary procedure without causing discomfort.

13 services13 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

13 services13 patients

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.

PETER MILES WATERMAN MD

Anesthesiology

2000 E SOUTHERN AVE, STE 102
TEMPE, AZ 85282

Maricopa County (480) 820-9141

BRUCE J YEE MD, PC

Anesthesiology

2000 E SOUTHERN AVE, SUITE 102
TEMPE, AZ 85282

Maricopa County (480) 831-6073

YASMIN AMIN MD

Anesthesiology

2000 E SOUTHERN AVE, 102
TEMPE, AZ 85282

Maricopa County (480) 820-9141

SOUTHWEST ANESTHESIA PLLC

Anesthesiology

2000 E SOUTHERN AVE, SUITE 106
TEMPE, AZ 85282

Maricopa County (602) 273-6770

LASER SURGERY HOLDING COMPANY, LTD

Clinic/Center (Ambulatory Surgical)

2000 E SOUTHERN AVE, 106
TEMPE, AZ 85282

Maricopa County (602) 258-7003

ANESTHESIA RESOURCES LTD

Anesthesiology

2000 E SOUTHERN AVE, SUITE 102
TEMPE, AZ 85282

Maricopa County (480) 820-9141

ROBIN LOUISE PRENTICE MD

Anesthesiology

2000 E SOUTHERN AVE, STE 102
TEMPE, AZ 85282

Maricopa County (480) 820-9141

FIRST ASSISTANTS PLLC

Registered Nurse (Registered Nurse First Assistant)

2000 E SOUTHERN AVE, SUITE 102
TEMPE, AZ 85282

Maricopa County (480) 820-9155

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 George Gieszl's NPI number?

The NPI number for George Gieszl is 1629059340. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is George Gieszl located?

George Gieszl practices at 2000 E Southern Ave Suite 102, Tempe, AZ 85282. The listed phone number is (480) 820-9141.

What is George Gieszl's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is George Gieszl enrolled in Medicare?

Yes. George Gieszl 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 George Gieszl's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Gieszl reassigns Medicare benefits to 3 organizations: Banner Hospital Based Physicians Arizona LLC (Gilbert, AZ), Anesthesia Partners Of Arizona LLC (Richardson, TX) and Resource Anesthesiology Associates Of Tn PC (Memphis, TN). 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 George Gieszl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Gieszl accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna Healthcare, Oscar Health, Oscar Health Plan, Inc. and Oscar Insurance Company list George Gieszl 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.

When was this NPI record last updated?

The NPPES record for George Gieszl was last updated on July 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.