REDROCK ALLERGY CLINIC
NPI 1093958605
Allergy & Immunology in St George, UT

Active since April 13, 2009
544 S 400 E, ST GEORGE, UT 84770(435) 688-6262 Get Directions Write a Review

NPPES record last updated: January 7, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 7, 2021, Jun 6, 2017 (2 updates tracked since 2017).

About Redrock Allergy Clinic NPPES

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

REDROCK ALLERGY CLINIC (NPI 1093958605) is a healthcare organization registered as an allergy & immunology in St George, Utah and active in the NPI registry since April 2009. The organization lists Mark Briesacher, Chief Phys Exec And Pres Med Group, as its authorized official.

NPPES Registry Identity

NPI1093958605
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameIHC HEALTH SERVICES INC
Location Address544 S 400 ESt George, UT 84770-3705
Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128 · (435) 251-2727
Organization SubpartNo
Authorized OfficialMark BriesacherChief Phys Exec And Pres Med Group · (801) 442-3495
Enumeration DateApril 13, 2009
Last NPPES UpdateJanuary 7, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2021
✔ NPI 1093958605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
544 S 400 E, St George, UT 84770

Other Names 1

Doing Business AsRedrock Allergy Clinic

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Redrock Allergy Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3,683

Medicare enrollment records show 3,683 clinicians reassign Medicare billing to Redrock Allergy Clinic, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 331 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 68

Nurse Practitioner813
Family Practice484
Internal Medicine246
Hospitalist196
Obstetrics/Gynecology193
Pediatric Medicine184
Psychiatry110
General Surgery83
60 other specialties1,374

Nearest to this location (20)

See all 3,683
Registered Dietitian or Nutrition Professional
NPI 1255599817
544 S 400 E CLINICAL NUTRITION
St George, UT 84770
(435) 688-4184
Same address
Hematology/Oncology
NPI 1730389701
544 S 400 E
St George, UT 84770
(435) 688-4900
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1699357244
544 S 400 E
St George, UT 84770
(385) 887-6000
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1548414097
544 S 400 E
St George, UT 84770
(435) 688-4900
✔ PECOS✔ Accepts MedicareSame address
Rheumatology
NPI 1104289123
544 S 400 E
St George, UT 84770
(435) 688-6200
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1871735340
544 S 400 E
St George, UT 84770
(435) 688-4900
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1831615145
320 EAST 600 SOUTH
Saint George, UT 84770
(435) 688-4350
✔ PECOS✔ Accepts Medicare0.1 mi
Obstetrics/Gynecology
NPI 1003816927
346 E 600 S
St George, UT 84770
(435) 688-4600
✔ PECOS✔ Accepts Medicare0.3 mi
Obstetrics/Gynecology
NPI 1285085480
295 S 1470 E # 200
St George, UT 84790
(435) 628-1662
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1477005783
544 S 400 E
St George, UT 84770
(435) 688-4343
✔ PECOS✔ Accepts Medicare0.5 mi
Allergy/Immunology
NPI 1801389127
544 S 400 E
St George, UT 84770
(435) 688-6262
✔ PECOS✔ Accepts Medicare0.5 mi
Physical Medicine and Rehabilitation
NPI 1063771095
544 S 400 E
St George, UT 84770
(435) 688-4700
✔ PECOS✔ Accepts Medicare0.5 mi
Clinical Social Worker
NPI 1528228632
561 E TABERNACLE ST
St George, UT 84770
(435) 673-2822
✔ PECOS✔ Accepts Medicare0.7 mi
Family Practice
NPI 1518271097
965 E 700 S STE 205
St George, UT 84790
(435) 574-9146
✔ PECOS✔ Accepts Medicare0.7 mi
Nephrology
NPI 1942409529
SAINT GEORGE REGIONAL HOSPITAL 1380 E. MEDICAL CENTER DR
Saint George, UT 84790
(435) 688-6358
✔ PECOS✔ Accepts Medicare0.7 mi
Neurology
NPI 1841575032
295 S 1470 E STE 301
St George, UT 84790
(435) 775-2015
✔ PECOS✔ Accepts Medicare0.7 mi
Physical Therapist in Private Practice
NPI 1093326639
736 S 900 E STE 106
St George, UT 84790
(435) 673-0191
✔ Accepts Medicare0.8 mi
Registered Dietitian or Nutrition Professional
NPI 1881474229
1031 S BLUFF ST STE 9
St George, UT 84770
(435) 268-6898
0.8 mi
Undersea and Hyperbaric Medicine
NPI 1538554746
965 E 700 S STE 205
St George, UT 84790
(435) 281-2273
✔ PECOS✔ Accepts Medicare0.8 mi
Ophthalmology
NPI 1093943086
585 E RIVERSIDE DRIVE SUITE 201
St George, UT 84790
(435) 216-7032
✔ PECOS✔ Accepts Medicare0.9 mi
See all 3,683 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 Ihc Health Services Inc's NPI number?

The NPI number for Ihc Health Services Inc is 1093958605. It was assigned to this organization in the NPPES registry on April 13, 2009. The provider is doing business as Redrock Allergy Clinic.

Where is Ihc Health Services Inc located?

Ihc Health Services Inc is located at 544 S 400 E, St George, UT 84770. The listed phone number is (435) 688-6262.

What is Ihc Health Services Inc's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Ihc Health Services Inc enrolled in Medicare?

Yes. Ihc Health Services Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ihc Health Services Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3,683 clinicians in 68 Medicare specialties reassign their Medicare billing to Ihc Health Services Inc. 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 Nurse Practitioner (813), Family Practice (484) and Internal Medicine (246). Of these, 6 practice at this address and 331 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Ihc Health Services Inc accept?

Health plans from Molina Healthcare and University of Utah Health Plans list Ihc Health Services Inc 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 Ihc Health Services Inc was last updated on January 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.