NPPES file of Aug 9, 2026

Elizabeth Marie Armstrong, NP

Family Nurse Practitioner · Longmont, CO

Elizabeth Marie Armstrong, NP is a family nurse practitioner with a practice address in Longmont, Colorado, and NPI 1124527601, issued on Feb 9, 2018. Check the license (Colorado APN.0004367-C-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124527601
Name
Elizabeth Marie Armstrong
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
APN.0004367-C-NP CO
R201516 MD
Self-reported in NPPES; status is on the state search
Practice location
835 E 17TH Ave Ste 100, Longmont, CO 80504
Phone
(720) 442-9437
Enumerated
Feb 9, 2018
Record last updated
Apr 24, 2024
Medicare enrollment
Enrolled (PECOS I20221227002479); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Elizabeth Marie Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license APN.0004367-C-NP
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

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4% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,256 Medicare Part D claims for 241 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Elizabeth Armstrong1,256
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium86 claims
  2. Levothyroxine Sodium66 claims
  3. Lisinopril54 claims
  4. Losartan Potassium51 claims
  5. Albuterol Sulfate Hfa43 claims
  6. Amlodipine Besylate41 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

  1. Banner Fort Collins Pcp LLCLongmont, CO
  2. Vmd Primary Providers Colorado IncLongmont, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Elizabeth Marie Armstrong among 3,492 family nurse practitioner records in Colorado

Elizabeth Marie Armstrong, NP is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 48% of them.

  • NPI issued2018 · 48% of these records are older, 47% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2017 · median 2019 among the 1,950 with a school on file
  • Record last updated2024 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 family nurse practitioner records list a practice address in Longmont

They are 53 of the 2,381 NPPES records with a practice address in Longmont, and 3,492 family nurse practitioner records in Colorado.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sarah Anderson, FNP-CFirestone, CO 805041578060513
  2. Kimberly Eppers, FNPFirestone, CO 805041376967331
  3. Makayla Hesseltine, NP-CLongmont, CO 805041053995621
  4. Ivan Hiew, NPLongmont, CO 805041942902168
  5. Leeann Keller, NPLongmont, CO 805041083789531
  6. Kaylee Kelley, FNPFirestone, CO 805041295338150
  7. Kelsey KischerFirestone, CO 805041578447843
  8. Katie Martin, FNP-CLongmont, CO 805041083291827

Common questions

What is Elizabeth Marie Armstrong, NP's NPI number?

Elizabeth Marie Armstrong, NP's National Provider Identifier (NPI) is 1124527601, issued on Feb 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Marie Armstrong, NP located?

The NPPES record lists a practice address at 835 E 17TH Ave Ste 100, Longmont, CO, 80504. Phone: (720) 442-9437. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Marie Armstrong, NP's license?

NPPES lists Colorado license number APN.0004367-C-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Marie Armstrong, NP prescribe under Medicare Part D?

In 2024, Elizabeth Marie Armstrong, NP had 1,256 Medicare Part D claims for 241 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.