1. Home
  2. Directory
  3. Idaho
  4. Falls
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ROCKY MOUNTAIN MEDICAL LLC
NPI 1295580082
Internal Medicine in Idaho Falls, ID

Active since April 23, 2024CLIA 13D2324836 · Waiver
535 W SUNNYSIDE RD STE 2, IDAHO FALLS, ID 83402(208) 357-9700(208) 963-3245 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 15, 2026, Mar 4, 2026, Jul 8, 2025 and 3 more (6 updates tracked since 2024).

About Rocky Mountain Medical Llc NPPES

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

ROCKY MOUNTAIN MEDICAL LLC (NPI 1295580082) is a healthcare organization registered as an internal medicine in Idaho Falls, Idaho and active in the NPI registry since April 2024. The organization holds a CLIA Waiver certificate valid through June 1, 2027, maintains a secondary practice location in Ashton, and lists Matthew Wood, Director, as its authorized official.

NPPES Registry Identity

NPI1295580082
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameROCKY MOUNTAIN MEDICAL LLC
Location Address535 W SUNNYSIDE RD STE 2Idaho Falls, ID 83402-4647
Mailing Address535 W Sunnyside Rd Ste 2Idaho Falls, ID 83402-4647 · (208) 357-9700
Phone(208) 357-9700
Fax(208) 963-3245
Organization SubpartNo
Authorized OfficialMatthew WoodDirector · (208) 357-9700
Enumeration DateApril 23, 2024
Last NPPES UpdateOctober 15, 20266 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1295580082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
535 W SUNNYSIDE RD STE 2, Idaho Falls, ID 83402
Open in Google Maps ↗

Secondary Practice Location 1

Location 123 S 8th StAshton, ID 83420-5211 · Phone (208) 330-3007 · Fax (800) 861-3329

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, University of Utah Health Plans.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)

Rocky Mountain Medical Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Rocky Mountain Medical LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Guy Grooms, MD
Orthopedic Surgery
NPI 1053316786
535 W SUNNYSIDE RD STE 2
Idaho Falls, ID 83402
(208) 357-9700
✔ PECOS✔ Accepts MedicareSame address
Matthew Parry, D.O.
Neurology
NPI 1962817049
23 S 8TH ST
Ashton, ID 83420
(208) 330-3007
✔ PECOS✔ Accepts Medicare51 mi
Christopher Gibson, DO
Rheumatology
NPI 1922501733
23 S 8TH ST
Ashton, ID 83420
(208) 330-3007
✔ PECOS✔ Accepts Medicare51 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 13D2324836

Rocky Mountain Medical LLC · Idaho Falls, ID
Active · expires Jun 1, 2027
CLIA Number13D2324836
Laboratory TypePhysician Office
Certificate Effective DateJune 2, 2025
Certificate Expiration DateJune 1, 2027
Laboratory DirectorGuy E. Grooms
Laboratory Phone(208) 357-9700
Laboratory LocationRocky Mountain Medical LLC535 W Sunnyside Rd Ste 2, Idaho Falls, ID 83402
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Rocky Mountain Medical LLC's NPI number?

The NPI number for Rocky Mountain Medical LLC is 1295580082. It was assigned to this organization in the NPPES registry on April 23, 2024.

Where is Rocky Mountain Medical LLC located?

Rocky Mountain Medical LLC is located at 535 W Sunnyside Rd Ste 2, Idaho Falls, ID 83402. The listed phone number is (208) 357-9700.

What is Rocky Mountain Medical LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rocky Mountain Medical LLC enrolled in Medicare?

Yes. Rocky Mountain Medical LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rocky Mountain Medical LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Rocky Mountain Medical LLC, in Neurology, Orthopedic Surgery and Rheumatology. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Rocky Mountain Medical LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 13D2324836) is associated with this NPI, valid through June 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Rocky Mountain Medical LLC accept?

Health plans from Molina Healthcare and University of Utah Health Plans list Rocky Mountain Medical 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 Rocky Mountain Medical LLC was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.