Mallory Gustin, APRN, CNP
NPI 1437542016 · Adult Health Nurse Practitioner · Annandale, MN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Gustin, APRN, CNP is a Adult Health Nurse Practitioner provider in Annandale, MN (NPI 1437542016).
Provider details
- NPI number
- 1437542016
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, CNP
- Sex
- Female
- Sole proprietor
- No
- License
- CNP 3741 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
325 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $74 |
| Blood Test, Clotting Time85610 | 67 | $4 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 41 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $148 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 193 | 57 |
| Levothyroxine Sodium | 148 | 39 |
| Losartan Potassium | 98 | 31 |
| Simvastatin | 94 | 32 |
| Omeprazole | 86 | 29 |
| Hydrochlorothiazide | 76 | 22 |
| Prednisone | 76 | 48 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-06
- Last updated
- 2024-06-20
- Certified
- 2024-06-20
Frequently asked questions
- What is Mallory Gustin's NPI number?
- Mallory Gustin's National Provider Identifier (NPI) is 1437542016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Gustin's specialty?
- Mallory Gustin is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mallory Gustin located?
- Mallory Gustin's practice location on file with NPPES is 440 Elm St E, Annandale, MN 55302-1109.
- What is Mallory Gustin's phone number?
- The practice phone number listed in the NPPES registry for Mallory Gustin is (320) 274-3744.
- Does Mallory Gustin accept Medicare?
- Mallory Gustin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Gustin's NPI active?
- Yes — Mallory Gustin's NPI (1437542016) is active in the NPPES registry as of the last update on 2024-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.