DR. JOHN DAVID MARETT MD
NPI 1821559519
Family Medicine in Roosevelt, UT
About Dr. John David Marett Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN DAVID MARETT MD (NPI 1821559519) is an individual family medicine provider in Roosevelt, Utah, licensed in Utah (6225893-1205) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Utah Valley Hospital, and maintains a secondary practice location in Aurora.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John David Marett Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Marett reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Roosevelt, UT 84066
- Reassigned Medicare billing, Utah enrollment
- 94 clinicians in this Medicare group
Roosevelt, UT 84066
- Reassigned Medicare billing, Utah enrollment
- 78 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Utah Valley Hospital
Acute Care Hospitals · Provo, UTUintah Basin Medical Center
Acute Care Hospitals · Roosevelt, UTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84066 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Marett's NPI number?
The NPI number for John Marett is 1821559519. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is John Marett located?
John Marett practices at 250 W 300 N, Roosevelt, UT 84066. The listed phone number is (435) 725-7448.
What is John Marett's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Marett enrolled in Medicare?
Yes. John Marett is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Marett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Marett reassigns Medicare benefits to 2 organizations: Uintah Basin Medical Center (Roosevelt, UT) and Northeastern Utah Medical Group (Roosevelt, UT). Each 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 John Marett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Marett accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list John Marett 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.
Is John Marett affiliated with any hospitals?
According to CMS data, John Marett is affiliated with Utah Valley Hospital and Uintah Basin Medical Center.
When was this NPI record last updated?
The NPPES record for John Marett was last updated on July 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. John David Marett, MD · NPI 1821559519
Family Medicine physician in Roosevelt, Utah. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1821559519 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 6225893-1205 (Utah)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 250 W 300 N, Roosevelt, UT 84066-2351
- **Phone:** (435) 725-7448
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Uintah Basin Medical Center (NPI 1871556217, Roosevelt, UT); Northeastern Utah Medical Group (NPI 1982664199, Roosevelt, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 14, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1821559519) · Data from the CMS NPPES public registry.