John Marett, MD
NPI 1821559519 · Family Medicine Physician · Roosevelt, UT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Marett, MD is a Family Medicine Physician provider in Roosevelt, UT (NPI 1821559519).
Provider details
- NPI number
- 1821559519
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
456 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 96 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 83 | $113 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 79 | $101 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $75 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 59 | $71 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 91 | 26 |
| Levothyroxine Sodium | 90 | 23 |
| Atorvastatin Calcium | 80 | 19 |
| Potassium Chloride | 79 | 22 |
| Lisinopril | 68 | 19 |
| Losartan Potassium | 60 | 13 |
| Furosemide | 59 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$127 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1411 S Potomac St Ste 300Aurora, CO 80012-4539Phone: (303) 531-4910
Registry dates
- Enumerated
- 2019-03-26
- Last updated
- 2022-07-14
- Certified
- 2022-07-14
Frequently asked questions
- What is John Marett's NPI number?
- John Marett's National Provider Identifier (NPI) is 1821559519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marett's specialty?
- John Marett is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Marett located?
- John Marett's practice location on file with NPPES is 250 W 300 N, Roosevelt, UT 84066-2351.
- What is John Marett's phone number?
- The practice phone number listed in the NPPES registry for John Marett is (435) 725-7448.
- Does John Marett accept Medicare?
- John Marett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Marett's NPI active?
- Yes — John Marett's NPI (1821559519) is active in the NPPES registry as of the last update on 2022-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.