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ON-CALL ANESTHESIA SURGICAL, LLC
NPI 1437520624
Specialist in Phoenix, AZ

Active since October 13, 2015
1301 E MCDOWELL RD, SUITE 100, PHOENIX, AZ 85006(602) 265-8800(602) 265-8151 Get Directions Write a Review

NPPES record last updated: October 13, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About On-call Anesthesia Surgical, Llc NPPES

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

ON-CALL ANESTHESIA SURGICAL, LLC (NPI 1437520624) is a healthcare organization registered as a specialist in Phoenix, Arizona and active in the NPI registry since October 2015. The organization lists James Adkins, Ceo, as its authorized official.

NPPES Registry Identity

NPI1437520624
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameON-CALL ANESTHESIA SURGICAL, LLC
Location Address1301 E MCDOWELL RD, SUITE 100Phoenix, AZ 85006-2621
Mailing Address1301 E Mcdowell Rd, Suite 100Phoenix, AZ 85006-2621 · (602) 265-8800 · Fax (602) 265-8151
Phone(602) 265-8800
Fax(602) 265-8151
Organization SubpartNo
Authorized OfficialJames AdkinsCeo · (602) 265-8800
Enumeration DateOctober 13, 2015
✔ NPI 1437520624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1301 E MCDOWELL RD, Phoenix, AZ 85006
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

On-call Anesthesia Surgical, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to On-Call Anesthesia Surgical, LLC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Rolando Diaz, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1417325358
1850 N CENTRAL AVE STE 1600 SUITE 1600
Phoenix, AZ 85004
(602) 262-8900
✔ Accepts Medicare0.9 mi
Cecil Graham, MD
Anesthesiology
NPI 1578558920
1301 E MCDOWELL ROAD SUITE 100
Phoenix, AZ 85006
(602) 265-8800
✔ PECOS✔ Accepts Medicare2.0 mi
Daniel Mcarthur, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1497290167
2929 E THOMAS RD
Phoenix, AZ 85016
(602) 470-5000
✔ Accepts Medicare4.3 mi
Paula Rose, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1265437032
19636 N 2TH AVE SUITE 202
Phoenix, AZ 85027
(623) 516-8252
14 mi
Joshua Harper, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1477295681
2735 SILVER CREEK RD
Bullhead City, AZ 86442
(503) 936-7730
✔ Accepts Medicare181 mi
Kenneth Whiting, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1275910523
600 EAST BLVD
Elkhart, IN 46514
(574) 294-2621
✔ Accepts Medicare1,533 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 On-Call Anesthesia Surgical, LLC's NPI number?

The NPI number for On-Call Anesthesia Surgical, LLC is 1437520624. It was assigned to this organization in the NPPES registry on October 13, 2015.

Where is On-Call Anesthesia Surgical, LLC located?

On-Call Anesthesia Surgical, LLC is located at 1301 E Mcdowell Rd Suite 100, Phoenix, AZ 85006. The listed phone number is (602) 265-8800.

What is On-Call Anesthesia Surgical, LLC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is On-Call Anesthesia Surgical, LLC enrolled in Medicare?

Yes. On-Call Anesthesia Surgical, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through On-Call Anesthesia Surgical, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to On-Call Anesthesia Surgical, LLC. A 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 the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (5) and Anesthesiology (1). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for On-Call Anesthesia Surgical, LLC was last updated on October 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.