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MOUNTAIN VISTA EMERGENCY PHYSICIANS, LLC
NPI 1164642963
Emergency Medicine in Mesa, AZ

Active since April 26, 2007
5750 E BASELINE RD, MESA, AZ 85206(602) 833-6900 Get Directions Write a Review

NPPES record last updated: January 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 6, 2023, Jul 14, 2022, Apr 4, 2022 (3 updates tracked since 2022).

About Mountain Vista Emergency Physicians, Llc NPPES

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

MOUNTAIN VISTA EMERGENCY PHYSICIANS, LLC (NPI 1164642963) is a healthcare organization registered as an emergency medicine in Mesa, Arizona and active in the NPI registry since April 2007. The organization maintains 2 additional practice locations and lists Lisha C Falk, Vice President, as its authorized official.

NPPES Registry Identity

NPI1164642963
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameMOUNTAIN VISTA EMERGENCY PHYSICIANS, LLC
Location Address5750 E BASELINE RDMesa, AZ 85206-4806
Mailing Address200 Corporate BlvdLafayette, LA 70508-3870 · (800) 893-9698
Phone(602) 833-6900
Organization SubpartNo
Authorized OfficialLisha C FalkVice President · (337) 609-1221
Enumeration DateApril 26, 2007
Last NPPES UpdateJanuary 6, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2023
✔ NPI 1164642963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
5750 E BASELINE RD, Mesa, AZ 85206
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11301 S Crismon RdMesa, AZ 85209-3767 · Phone (480) 358-6100
Location 24545 N Hunt HwyFlorence, AZ 85132-6937 · Phone (480) 358-6100

Other Identifiers 1

Medicaid223581AZ

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Mountain Vista Emergency Physicians, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

58

Medicare enrollment records show 58 clinicians reassign Medicare billing to Mountain Vista Emergency Physicians, LLC, which bills Medicare for the services they deliver. Of these, 9 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Emergency Medicine45
Family Practice4
Internal Medicine4
Nurse Practitioner4
General Practice1

Nearest to this location (20)

See all 58
Casey Crandell, M.D.
Emergency Medicine
NPI 1669600078
1900 N HIGLEY RD
Gilbert, AZ 85234
(480) 543-2000
✔ PECOS✔ Accepts Medicare0.9 mi
Kelly Lueck, FNP-C
Nurse Practitioner
NPI 1578815809
2946 E BANNER GATEWAY DR
Gilbert, AZ 85234
(480) 256-6444
✔ PECOS✔ Accepts Medicare1.0 mi
Brian Gallman, D.O.
Internal Medicine
NPI 1639106438
875 N GREENFIELD RD SUITE 104
Gilbert, AZ 85234
(480) 633-0551
✔ PECOS✔ Accepts Medicare2.0 mi
Nick Stavridis, DO
Emergency Medicine
NPI 1114908696
6644 E BAYWOOD AVE
Mesa, AZ 85206
(480) 981-4200
✔ PECOS✔ Accepts Medicare2.4 mi
David Weech, DO
Emergency Medicine
NPI 1811456676
1809 E UNIVERSITY DR UNIT 101
Mesa, AZ 85203
(480) 447-7274
✔ PECOS✔ Accepts Medicare5.7 mi
Olin Vance, D.O.
Emergency Medicine
NPI 1417987173
BANNER MESA MEDICAL CENTER 1010 N. COUNTRY CLUB DRIVE
Mesa, AZ 85201
(480) 834-1211
✔ PECOS✔ Accepts Medicare9.6 mi
Joseph Winchell, DO
Emergency Medicine
NPI 1083632962
1400 S DOBSON RD
Mesa, AZ 85202
(480) 456-9500
✔ PECOS✔ Accepts Medicare9.7 mi
Chad Jorgensen, MD
Emergency Medicine
NPI 1235117037
1400 S DOBSON RD
Mesa, AZ 85202
(480) 456-9500
✔ PECOS9.8 mi
Marissa Rose, FNP-C
Nurse Practitioner
NPI 1679069850
1982 W MAIN ST STE 101
Mesa, AZ 85201
(480) 677-8282
✔ PECOS✔ Accepts Medicare9.9 mi
Trever Wilkins, DO
Emergency Medicine
NPI 1992007439
290 S ALMA SCHOOL RD STE 15
Chandler, AZ 85224
(480) 660-8817
✔ PECOS✔ Accepts Medicare10 mi
Joshua Wallbrecht, M.D.
Emergency Medicine
NPI 1225353972
1955 W FRYE RD
Chandler, AZ 85224
(480) 440-3319
✔ PECOS✔ Accepts Medicare11 mi
Joshua Burton, DO
Emergency Medicine
NPI 1720588239
1955 W FRYE RD
Chandler, AZ 85224
(480) 728-3000
✔ PECOS✔ Accepts Medicare11 mi
Joseph Mazzei, DO
Emergency Medicine
NPI 1548276991
4322 S GARDENIA DR
Chandler, AZ 85248
(312) 608-4086
✔ PECOS✔ Accepts Medicare13 mi
Fernando Saldana, FNP
Nurse Practitioner
NPI 1194164285
1500 S MILL AVE
Tempe, AZ 85281
(480) 784-5533
✔ PECOS✔ Accepts Medicare14 mi
Mark Tosca, D.O.
General Practice
NPI 1053370981
8401 E BONNIE ROSE AVE
Scottsdale, AZ 85250
(480) 612-1427
✔ PECOS✔ Accepts Medicare14 mi
Glen Mccracken, M.D.
Emergency Medicine
NPI 1891745253
7400 E OSBORN RD EMERGENCY DEPARTMENT
Scottsdale, AZ 85251
(480) 882-6359
✔ PECOS15 mi
Michael Baros, FNP-C
Nurse Practitioner
NPI 1619420825
3829 E HEATHERBRAE DR
Phoenix, AZ 85018
(480) 999-7911
✔ PECOS✔ Accepts Medicare19 mi
Michael Treiman, MD
Emergency Medicine
NPI 1073803631
2601 E ROOSEVELT ST
Phoenix, AZ 85008
(602) 344-1185
✔ PECOS✔ Accepts Medicare19 mi
Joshua Millar, D.O.
Emergency Medicine
NPI 1083032361
1111 E MCDOWELL RD
Phoenix, AZ 85006
(602) 839-2000
✔ PECOS✔ Accepts Medicare21 mi
Laurence Turner, D.O.
Family Practice
NPI 1053482828
2026 N. DAYTON ST.
Phoenix, AZ 85006
(602) 510-5219
✔ PECOS✔ Accepts Medicare21 mi
See all 58 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 Mountain Vista Emergency Physicians, LLC's NPI number?

The NPI number for Mountain Vista Emergency Physicians, LLC is 1164642963. It was assigned to this organization in the NPPES registry on April 26, 2007.

Where is Mountain Vista Emergency Physicians, LLC located?

Mountain Vista Emergency Physicians, LLC is located at 5750 E Baseline Rd, Mesa, AZ 85206. The listed phone number is (602) 833-6900.

What is Mountain Vista Emergency Physicians, LLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mountain Vista Emergency Physicians, LLC enrolled in Medicare?

Yes. Mountain Vista Emergency Physicians, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mountain Vista Emergency Physicians, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 58 clinicians in 5 Medicare specialties reassign their Medicare billing to Mountain Vista Emergency Physicians, 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 Emergency Medicine (45), Family Practice (4) and Internal Medicine (4). Of these, 9 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 Mountain Vista Emergency Physicians, LLC was last updated on January 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.