Arizona Surgical Specialists Center, LLC
NPI 1598270951 · Ambulatory Surgical Clinic/Center · Phoenix, AZ
Arizona Surgical Specialists Center, LLC is a Ambulatory Surgical Clinic/Center organization in Phoenix, AZ (NPI 1598270951).
Provider details
- NPI number
- 1598270951
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- Arizona Surgical Specialists Center, LLC
- Organization subpart
- Yes
- Authorized official
- Steven Siwek, President(623) 516-8252
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- North Phoenix Associates
Registry dates
- Enumerated
- 2017-12-07
- Last updated
- 2019-02-02
Frequently asked questions
- What is Arizona Surgical Specialists Center, LLC's NPI number?
- Arizona Surgical Specialists Center, LLC's National Provider Identifier (NPI) is 1598270951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arizona Surgical Specialists Center, LLC?
- Arizona Surgical Specialists Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Arizona Surgical Specialists Center, LLC located?
- Arizona Surgical Specialists Center, LLC's practice location on file with NPPES is 20045 N 19th Ave, Phoenix, AZ 85027-4252.
- What is Arizona Surgical Specialists Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Arizona Surgical Specialists Center, LLC is (623) 516-8252.
- Who is the authorized official for Arizona Surgical Specialists Center, LLC?
- The authorized official listed on Arizona Surgical Specialists Center, LLC's NPPES record is Steven Siwek, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arizona Surgical Specialists Center, LLC's NPI active?
- Yes — Arizona Surgical Specialists Center, LLC's NPI (1598270951) is active in the NPPES registry as of the last update on 2019-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.