Lynsey Mahlum, ARNP
NPI 1528362340 · Adult Health Nurse Practitioner · Greeley, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynsey Mahlum, ARNP is a Adult Health Nurse Practitioner provider in Greeley, CO (NPI 1528362340).
Provider details
- NPI number
- 1528362340
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP60192019 (WA)
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
15 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
921 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 294 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 241 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 163 | $66 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $127 |
| Administration of Influenza Virus VaccineG0008 | 49 | $33 |
| Removal of Impacted Ear Wax By Washing69209 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 296 | 87 |
| Omeprazole | 164 | 56 |
| Losartan Potassium | 152 | 56 |
| Atorvastatin Calcium | 136 | 54 |
| Lisinopril | 135 | 42 |
| Gabapentin | 131 | 41 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-08
- Last updated
- 2014-06-12
Frequently asked questions
- What is Lynsey Mahlum's NPI number?
- Lynsey Mahlum's National Provider Identifier (NPI) is 1528362340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynsey Mahlum's specialty?
- Lynsey Mahlum is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lynsey Mahlum located?
- Lynsey Mahlum's practice location on file with NPPES is 1801 16th St, Greeley, CO 80631-5154.
- What is Lynsey Mahlum's phone number?
- The practice phone number listed in the NPPES registry for Lynsey Mahlum is (970) 350-6953.
- Does Lynsey Mahlum accept Medicare?
- Lynsey Mahlum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynsey Mahlum's NPI active?
- Yes — Lynsey Mahlum's NPI (1528362340) is active in the NPPES registry as of the last update on 2014-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.