Lynsey Briane Mahlum, ARNP
Adult Health Nurse Practitioner · Greeley, CO
Lynsey Briane Mahlum, ARNP is an adult health nurse practitioner with a practice address in Greeley, Colorado, and NPI 1528362340, issued on Jan 8, 2011. Check the license (Colorado APN.0991119-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynsey Briane Mahlum
- Credential
- ARNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- APN.0991119-NP CO
AP60192019 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 16TH St, Greeley, CO 80631
- Phone
- (970) 350-6953
- Enumerated
- Jan 8, 2011
- Record last updated
- Jun 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (970) 350-6965
- Medicaid ID
- 1528362340 WA
- Medicare enrollment
- Enrolled (PECOS I20140703000254); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 713 in Colorado → Look up another NPI →
Also registered at 1801 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adrien Arling, PA-CSurgical Physician Assistant1255907382
- Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
- Ronald Baars, PHARMDPharmacist1649252867
Verify Lynsey Briane Mahlum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license APN.0991119-NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
4,924 Medicare Part D claims for 647 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 181 claims were for opioids.
Most prescribed
- Levothyroxine Sodium296 claims
- Omeprazole164 claims
- Losartan Potassium152 claims
- Atorvastatin Calcium136 claims
- Lisinopril135 claims
- Gabapentin131 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Poudre Valley Medical Group LLCWindsor, CO
- Select Physical Therapy OF West Denver Limited PartnershipLoveland, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynsey Briane Mahlum among 713 adult health nurse practitioner records in Colorado
Lynsey Briane Mahlum, ARNP is one of 713 adult health nurse practitioner records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 35% of them.
- NPI issued2011 · 35% of these records are older, 62% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2017 among the 428 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Colorado
There are 713 adult health nurse practitioner records in Colorado.
All 713 in Colorado → Every provider in Greeley → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Janelle Printz, AGACNP-BCGreeley, CO 806311376198762
- Allison Polzin, AG-ACNPGreeley, CO 806341306358429
- Mary Lloyd-Cumley, N.P.Greeley, CO 806391437145638
- Rebecca Hutcheson, APRN, BCFort Morgan, CO 807011043227309
- Joshua Tueting, APNPLyons, CO 805401831459692
- Denise Carlson, NURSE PRACTITIONER CLoveland, CO 805381841208055
- Magan Hays, N.P.Loveland, CO 805381518333046
- Whitney Janny, AGACNP-BCLoveland, CO 805381538635271
Common questions
What is Lynsey Briane Mahlum, ARNP's NPI number?
Lynsey Briane Mahlum, ARNP's National Provider Identifier (NPI) is 1528362340, issued on Jan 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lynsey Briane Mahlum, ARNP located?
The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 350-6953. Providers update this record themselves, so call before visiting.
How can I verify Lynsey Briane Mahlum, ARNP's license?
NPPES lists Colorado license number APN.0991119-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Lynsey Briane Mahlum, ARNP prescribe under Medicare Part D?
In 2024, Lynsey Briane Mahlum, ARNP had 4,924 Medicare Part D claims for 647 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.