NPPES file of Aug 9, 2026

Erin Harner, FNP

Family Nurse Practitioner · Boulder, CO

Erin Harner, FNP is a family nurse practitioner with a practice address in Boulder, Colorado, and NPI 1699665422, issued on Jul 3, 2025. Check the license (Colorado APN.1000946-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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699665422
Name
Erin Harner
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APN.1000946-NP CO
Self-reported in NPPES; status is on the state search
Practice location
4715 Arapahoe Ave, Boulder, CO 80303
Phone
(303) 385-2000
Enumerated
Jul 3, 2025
Record last updated
Jul 3, 2025
Medicare enrollment
Enrolled (PECOS I20250918002806); 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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8 nearest family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →

Also registered at 4715 Arapahoe Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Andorsky, MDHematology & Oncology Physician1609061837
  2. Andrew Antell, MDRadiation Oncology Physician1508840158
  3. Terri Bauer, LCSWClinical Social Worker1841509056
  4. Gregory Britt, M.D.Hematology & Oncology Physician1982645982
  5. Leslie Busby, MDHematology & Oncology Physician1952385502
  6. John Fleagle, MDHematology & Oncology Physician1346224433

Verify Erin Harner 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.1000946-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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Rocky Mountain Cancer Centers LLPBoulder, CO

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

Erin Harner among 3,492 family nurse practitioner records in Colorado

Erin Harner, FNP 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 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 2% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2025 · median 2019 among the 1,950 with a school on file
  • Record last updated2025 · 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).

82 family nurse practitioner records list a practice address in Boulder

They are 82 of the 5,635 NPPES records with a practice address in Boulder, and 3,492 family nurse practitioner records in Colorado.

All 3,492 in Colorado → Every provider in Boulder → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Elizabeth Cowan, NPBoulder, CO 803031326414178
  2. Kathleen Dworak, NP-CBoulder, CO 803031760813067
  3. Allison Galloway, FNP-CBoulder, CO 803031174559835
  4. Ashley Garcia, NPBoulder, CO 803031780082768
  5. Erin Harper-Sanchez, CNM, NP, RNBoulder, CO 803031629293436
  6. Adriana Lorenzo, N.P.Boulder, CO 803031114330040
  7. Vitale Meertens, FNPBoulder, CO 803031730570789
  8. Annette Montoya, NURSE PRACTITIONERBoulder, CO 803031679735641

Common questions

What is Erin Harner, FNP's NPI number?

Erin Harner, FNP's National Provider Identifier (NPI) is 1699665422, issued on Jul 3, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Erin Harner, FNP located?

The NPPES record lists a practice address at 4715 Arapahoe Ave, Boulder, CO, 80303. Phone: (303) 385-2000. Providers update this record themselves, so call before visiting.

How can I verify Erin Harner, FNP's license?

NPPES lists Colorado license number APN.1000946-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.