Jameson Petersen
NPI 1104289123 · Rheumatology Physician · St George, UT
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jameson Petersen is a Rheumatology Physician provider in St George, UT (NPI 1104289123).
Provider details
- NPI number
- 1104289123
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 12137452-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
860 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 306 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 273 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 123 | $86 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 69 | $210 |
| X-Ray of Hand, Minimum of 3 Views73130 | 36 | $27 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 223 | 75 |
| Methotrexate Sodiumbrand: Methotrexate | 193 | 56 |
| Leflunomide | 58 | 20 |
| Hydroxychloroquine Sulfate | 48 | 20 |
| Celecoxib | 47 | 17 |
| Folic Acid | 35 | — |
| Tofacitinib Citratebrand: Xeljanz Xr | 33 | — |
Practice location
Mailing address
Additional practice locations (1)
- 4860 Y St Ste aSacramento, CA 95817-2307Phone: (916) 734-2812
Registry dates
- Enumerated
- 2016-03-29
- Last updated
- 2021-08-18
- Certified
- 2021-08-18
Frequently asked questions
- What is Jameson Petersen's NPI number?
- Jameson Petersen's National Provider Identifier (NPI) is 1104289123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jameson Petersen's specialty?
- Jameson Petersen is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jameson Petersen located?
- Jameson Petersen's practice location on file with NPPES is 544 S 400 E, St George, UT 84770-3705.
- What is Jameson Petersen's phone number?
- The practice phone number listed in the NPPES registry for Jameson Petersen is (435) 688-6200.
- Does Jameson Petersen accept Medicare?
- Jameson Petersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jameson Petersen's NPI active?
- Yes — Jameson Petersen's NPI (1104289123) is active in the NPPES registry as of the last update on 2021-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.