Quick answers
- Does Mary Jane Pennington accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Jane Pennington 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 Mary Jane Pennington see?
- In 2024, CMS data shows 7,014 Original Medicare patients and 80,544 services for Mary Jane Pennington. This counts Original Medicare only and measures volume, not quality.
- What is Mary Jane Pennington's NPI number?
- 1205868452. 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 Mary Jane Pennington, 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 patients | 7,014 |
|---|---|
| Services billed to Medicare | 80,544 |
| Different services or procedures | 184 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)27,950 services
- Insertion of needle into vein for collection of blood sample (36415)8,142 services
- Blood test, comprehensive group of blood chemicals (80053)5,419 services
- Injection, gadobutrol, 0.1 ml (A9585)5,400 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)4,081 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 pressure65%
- High cholesterol61%
- Arthritis45%
- Diabetes29%
- Chronic kidney disease23%
- Depression21%
Practice locations
Addresses where Mary Jane Pennington is enrolled with Medicare (CMS data updated October 2, 2026).
- 12391 S 4000Riverton, UT 84096 (801) 302‑1700
- 2965 W 3500West Valley City, UT 84119 (801) 965‑3600
- 995 W Levoy DrTaylorsville, UT 84123 (801) 965‑3600
Group practices
Medicare enrollment lists Mary Jane Pennington as a member of these groups (CMS data updated October 2, 2026).
- Granger Medical Clinic PC193 clinicians in the group
- Granger Medical Specialists LLC5 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in Utah
Clinicians with the same Medicare primary specialty in Utah — not a recommendation.
Other clinicians in Granger Medical Clinic PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205868452 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians