ARIZONA SURGICAL SPECIALISTS CENTER, LLC
NPI 1821471913
Clinic/Center - Ambulatory Surgical in Phoenix, AZ

NPI Status: Active since July 07, 2015

Contact Information

9250 W THOMAS RD
SUITE 220
PHOENIX, AZ
ZIP 85037
Phone: (623) 516-8252
Fax: (623) 516-8253

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • Accepts Insurance
  • CLIA Number: 03D1026008
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 05-23-2028

About ARIZONA SURGICAL SPECIALISTS CENTER, LLC

This page provides the complete NPI Profile along with additional information for Arizona Surgical Specialists Center, Llc, a provider established in Phoenix, Arizona operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1821471913 assigned on July 2015. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated May 2026. The provider's . The authorized official of this NPI record is Steven Siwek Md (President)

NPI
1821471913
Provider Legal Name
ARIZONA SURGICAL SPECIALISTS CENTER, LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
9250 W THOMAS RD SUITE 220 PHOENIX, AZ 85037
Location Phone
(623) 516-8252
Location Fax
(623) 516-8253
Mailing Address
9401 W THUNDERBIRD RD STE 180 PEORIA, AZ 85381
Mailing Phone
(623) 516-8252
Mailing Fax
(623) 516-8253
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
07-07-2015
Last Update Date
05-20-2026
Code Navigator

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • AZ Blue ACA StandardHealth Silver with Health Choice - HMO
  • Bronze Classic Standard - HMO
  • Bronze Elite + PCP Saver Plus - HMO
  • Bronze Simple - HMO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - HMO
  • Bronze Simple Chronic Care CKM - HMO
  • Buena Salud Bronce Simple Para Diabetes - HMO
  • Gold Classic - HMO
  • Gold Classic Standard - HMO
  • Gold Simple - HMO
  • Gold Simple Diabetes - HMO
  • Silver Classic Standard - HMO
  • Silver Elite Saver Plus - HMO
  • Silver Simple Chronic Care CKM - HMO
  • Silver Simple Diabetes - HMO
  • Silver Simple PCP Saver - HMO
  • Silver Simple Specialist Saver with COPD - HMO
  • Silver Simple Women's Health with Menopause Benefits - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

STEVEN SIWEK MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(623) 516-8252

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

This service was performed 136 times for 79 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint

This procedure involves the use of imaging technology to guide a needle to the nerves of a single facet joint in the upper or middle spine. The nerves are then treated to alleviate pain and improve mobility.

This service was performed 60 times for 35 patients

Heat destruction of intraosseous basivertebral nerve in bones of spine in lower back, first two bones

This procedure involves the use of heat to disable the basivertebral nerve within the first two bones of your lower spine. It's done to alleviate chronic lower back pain. It's a safe, minimally invasive procedure with a quick recovery time.

This service was performed 19 times for 18 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

This service was performed 233 times for 74 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

This service was performed 211 times for 61 patients

Injection of substance into lower spine canal using imaging guidance

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

This service was performed 23 times for 13 patients

Injection of substance into middle or upper spine canal using imaging guidance

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

This service was performed 48 times for 27 patients

Injection of upper or middle spine facet joint using imaging guidance, single level

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

This service was performed 122 times for 34 patients

Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography

This procedure involves injecting medicine into the sacroiliac joint, located in the lower back. The aim is to reduce inflammation and pain. Anesthetic is used for immediate pain relief, while a steroid helps decrease inflammation over time. Arthrography, a type of imaging, may be used for precision.

This service was performed 57 times for 20 patients

Insertion of spinal neurostimulator electrode array through skin

This procedure involves placing a small device, called a neurostimulator electrode array, under your skin near your spine. It delivers mild electrical signals to your spinal cord, helping to manage chronic pain.

This service was performed 94 times for 30 patients

Insertion or replacement of spinal neurostimulator generator or receiver

The insertion of a spinal neurostimulator generator or receiver is a procedure to manage chronic pain. A small device is implanted under your skin, which sends mild electrical signals to your spinal cord. These signals disrupt pain signals, helping to reduce discomfort.

This service was performed 17 times for 16 patients

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
03D1026008
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
May 24, 2026
Certificate Expiration Date
May 23, 2028
Laboratory Director
MATTHEW W. DOUST
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Arizona Surgical Specialists Center, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1821471913, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 4 → 8 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 4 + 1 + 8 + 7 + 2 + 9 + 2 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1821471913.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Non-Pharmacy Dispensing Site
9250 W THOMAS RD, SUITE 200
PHOENIX, AZ 85037
Durable Medical Equipment & Medical Supplies
9250 W THOMAS RD, SUITE 200
PHOENIX, AZ 85037
Physician Assistant (Surgical)
9250 W THOMAS RD, SUITE 250
PHOENIX, AZ 85037
Physician Assistant
9250 W THOMAS RD, SUITE 100
PHOENIX, AZ 85037
Clinic/Center (VA)
9250 W THOMAS RD, SUITE 400
PHOENIX, AZ 85037
Internal Medicine (Medical Oncology)
9250 W THOMAS RD, STE 150
PHOENIX, AZ 85037
Psychologist (Clinical)
9250 W THOMAS RD
PHOENIX, AZ 85037
Pain Medicine (Interventional Pain Medicine)
9250 W THOMAS RD, SUITE 200
PHOENIX, AZ 85037
Nurse Practitioner
9250 W THOMAS RD, SUITE 200
PHOENIX, AZ 85037
Registered Nurse (Diabetes Educator)
9250 W THOMAS RD
PHOENIX, AZ 85037
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
9250 W THOMAS RD, SUITE 120
PHOENIX, AZ 85037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821471913, enumerated as an "organization" on July 07, 2015.

The provider is located at 9250 W THOMAS RD SUITE 220 PHOENIX, AZ 85037 and the phone number is (623) 516-8252.

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.

The provider might be accepting Accepts: Ambetter from Arizona Complete Health, Blue Cross. Please consult your insurance carrier or call the provider to verify.