Mallory Arthun, FNP
NPI 1386939189 · Family Nurse Practitioner · Loveland, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Arthun, FNP is a Family Nurse Practitioner provider in Loveland, CO (NPI 1386939189).
Provider details
- NPI number
- 1386939189
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP-990166 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
421 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 155 | $110 |
| 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 | 110 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $78 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 43 | $108 |
| Automated Urinalysis Test81003 | 34 | $2 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 96 | 33 |
| Atorvastatin Calcium | 65 | 31 |
| Amlodipine Besylate | 62 | 24 |
| Lisinopril | 41 | 16 |
| Rosuvastatin Calcium | 34 | 17 |
| Alendronate Sodium | 31 | 15 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 3 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
Registry dates
- Enumerated
- 2011-06-09
- Last updated
- 2017-04-19
Frequently asked questions
- What is Mallory Arthun's NPI number?
- Mallory Arthun's National Provider Identifier (NPI) is 1386939189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Arthun's specialty?
- Mallory Arthun is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mallory Arthun located?
- Mallory Arthun's practice location on file with NPPES is 3320 W Eisenhower Blvd, Loveland, CO 80537-9176.
- What is Mallory Arthun's phone number?
- The practice phone number listed in the NPPES registry for Mallory Arthun is (970) 669-2849.
- Does Mallory Arthun accept Medicare?
- Mallory Arthun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Arthun's NPI active?
- Yes — Mallory Arthun's NPI (1386939189) is active in the NPPES registry as of the last update on 2017-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.