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ACUTE CARE SURGICAL SPECIALISTS, LLC
NPI 1225311871
Emergency Medicine - Emergency Medical Services in Phoenix, AZ

Active since September 20, 2011
16601 N 40TH ST STE 104, PHOENIX, AZ 85032(602) 633-3721(602) 953-5466 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 11, 2026, Oct 2, 2023, Feb 9, 2022 and 1 more (4 updates tracked since 2021).

About Acute Care Surgical Specialists, Llc NPPES

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

ACUTE CARE SURGICAL SPECIALISTS, LLC (NPI 1225311871) is a healthcare organization registered as an emergency medical services in Phoenix, Arizona and active in the NPI registry since September 2011. The organization lists Cynthia Shively, Ceo, as its authorized official.

NPPES Registry Identity

NPI1225311871
Entity TypeOrganization
Primary Taxonomy207PE0004X
Legal Business NameACUTE CARE SURGICAL SPECIALISTS, LLC
Location Address16601 N 40TH ST STE 104Phoenix, AZ 85032-3353
Mailing Address16601 N 40th St Ste 104Phoenix, AZ 85032-3353 · (602) 633-3721 · Fax (602) 953-5466
Phone(602) 633-3721
Fax(602) 953-5466
Organization SubpartNo
Authorized OfficialCynthia ShivelyCeo · (602) 996-4747
Enumeration DateSeptember 20, 2011
Last NPPES UpdateMarch 11, 20264 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1225311871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
16601 N 40TH ST STE 104, Phoenix, AZ 85032
Open in Google Maps ↗

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Acute Care Surgical Specialists, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

32

Medicare enrollment records show 32 clinicians reassign Medicare billing to Acute Care Surgical Specialists, LLC, which bills Medicare for the services they deliver. Of these, 23 practice at this address and 24 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

General Surgery15
Nurse Practitioner11
Critical Care (Intensivists)5
Hand Surgery1

Nearest to this location (20)

See all 32
Tiffany Nguyen, MD
General Surgery
NPI 1861998213
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Julie Dricken, MD
General Surgery
NPI 1477848703
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Pedram Motamedi, MD
Hand Surgery
NPI 1225692676
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(480) 791-2422
✔ PECOS✔ Accepts MedicareSame address
Ace Ovil, M.D
Critical Care (Intensivists)
NPI 1649546193
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Michelle Pedersen, ACNP
Nurse Practitioner
NPI 1962259267
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOSSame address
Scott Sholem
Critical Care (Intensivists)
NPI 1114188950
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 996-4747
✔ PECOS✔ Accepts MedicareSame address
Kirsten Yarmer, FNP
Nurse Practitioner
NPI 1952121204
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOSSame address
Francis Ali-Osman, MD
Critical Care (Intensivists)
NPI 1447430491
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3722
✔ PECOS✔ Accepts MedicareSame address
Charles Balcome, ACNP
Nurse Practitioner
NPI 1376027557
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Justin Hall, ACNP
Nurse Practitioner
NPI 1477021426
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOSSame address
Qaali Hussein, M.D.
Critical Care (Intensivists)
NPI 1194047134
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Meghann Kaiser, M.D.
Critical Care (Intensivists)
NPI 1124204177
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Hoang Lim, D.O.
General Surgery
NPI 1891012225
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Alicia Mangram, MD
General Surgery
NPI 1972575504
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOSSame address
Mytia Mcneal, MD
General Surgery
NPI 1457376436
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 996-4747
✔ PECOS✔ Accepts MedicareSame address
Christopher Mellon, DO
General Surgery
NPI 1669835823
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 996-4747
✔ PECOS✔ Accepts MedicareSame address
Adam Mina, DO
General Surgery
NPI 1053705459
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOS✔ Accepts MedicareSame address
Mohan Ramalingam, MD
General Surgery
NPI 1548598105
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 996-4747
✔ PECOS✔ Accepts MedicareSame address
Landon Richardson, DNP
Nurse Practitioner
NPI 1831707579
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 633-3721
✔ PECOSSame address
Cynthia Shively, FNP-BC
Nurse Practitioner
NPI 1316997349
16601 N 40TH ST STE 204
Phoenix, AZ 85032
(602) 996-4747
✔ PECOS✔ Accepts MedicareSame address
See all 32 clinicians

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 Acute Care Surgical Specialists, LLC's NPI number?

The NPI number for Acute Care Surgical Specialists, LLC is 1225311871. It was assigned to this organization in the NPPES registry on September 20, 2011.

Where is Acute Care Surgical Specialists, LLC located?

Acute Care Surgical Specialists, LLC is located at 16601 N 40th St Ste 104, Phoenix, AZ 85032. The listed phone number is (602) 633-3721.

What is Acute Care Surgical Specialists, LLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Acute Care Surgical Specialists, LLC enrolled in Medicare?

Yes. Acute Care Surgical Specialists, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Acute Care Surgical Specialists, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 32 clinicians in 4 Medicare specialties reassign their Medicare billing to Acute Care Surgical Specialists, 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 General Surgery (15), Nurse Practitioner (11) and Critical Care (Intensivists) (5). Of these, 23 practice at this address and 24 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Acute Care Surgical Specialists, LLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Imperial Insurance Companies, Inc. list Acute Care Surgical Specialists, LLC 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 Acute Care Surgical Specialists, LLC was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.