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Endocrinology

James R. Grua, MD

Works at hospitals in Cedar City, UT · Murray, UT · Salt Lake City, UT … · Utah, Nevada

Summary

Dr. James R. Grua, MD is an endocrinologist at 1160 E 3900, Suite 1000, Salt Lake City, UT 84124. Phone: (801) 262-1771. Accepts Medicare assignment. In 2024, James R. Grua had 213 Original Medicare patients and 281 services. NPI 1134159288. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about James R. Grua, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does James R. Grua accept Medicare assignment?
Yes. Medicare's clinician data says James R. Grua accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does James R. Grua see?
In 2024, CMS data shows 213 Original Medicare patients and 281 services for James R. Grua. This counts Original Medicare only and measures volume, not quality.
What is James R. Grua's NPI number?
1134159288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for James R. Grua, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients213
Services billed to Medicare281
Different services or procedures8
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)173 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)37 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)37 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)16 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure62%
  • High cholesterol55%
  • Arthritis50%
  • Osteoporosis45%
  • Anxiety25%
  • Chronic kidney disease22%

Hospitals where James R. Grua works

Medicare's Facility Affiliation Data lists James R. Grua at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where James R. Grua is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James R. Grua as a member of this group (CMS data updated October 2, 2026).

  • Granger Medical Clinic PC193 clinicians in the group

Specialties

Find other Endocrinology doctors in Utah →

Other endocrinologists in Salt Lake City

Clinicians with the same Medicare primary specialty in Salt Lake City, UT — not a recommendation.

All endocrinologists in Salt Lake City →

Other clinicians in Granger Medical Clinic PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year1976 (50 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1134159288
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians