NPPES file of Aug 9, 2026

Allison Polzin, AG-ACNP

Adult Health Nurse Practitioner · Greeley, CO

Allison Polzin, AG-ACNP is an adult health nurse practitioner with a practice address in Greeley, Colorado, and NPI 1306358429, issued on Oct 30, 2017. Check the license (Colorado APN.0993343-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
1306358429
Name
Allison Polzin
Credential
AG-ACNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
APN.0993343-NP CO
0993343 CO
Self-reported in NPPES; status is on the state search
Practice location
2410 W 16TH St, Greeley, CO 80634
Phone
(970) 810-3988
Enumerated
Oct 30, 2017
Record last updated
Sep 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20171208002361); 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 adult health nurse practitioner records → All 713 in Colorado → Look up another NPI →

Also registered at 2410 W 16TH St

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

  1. Neil Allen, MDSpecialist1841285970
  2. Ryan Barmore, M.D.Neurology Physician1962841593
  3. Laurie Berdahl, MDSpecialist1194710392
  4. Reena Dhakal, APNAcute Care Nurse Practitioner1164858445
  5. Paul Hiratzka, MDSpecialist1942295241
  6. Inhyup Kim, M.D.Neurology Physician1659652758

Verify Allison Polzin 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.0993343-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. Banner Health Physicians Colorado LLCGreeley, CO

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

Allison Polzin among 713 adult health nurse practitioner records in Colorado

Allison Polzin, AG-ACNP 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 2017, is newer than 58% of them.

  • NPI issued2017 · 58% of these records are older, 36% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2017 · median 2017 among the 428 with a school on file
  • Record last updated2019 · 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

  1. Lynsey Mahlum, ARNPGreeley, CO 806311528362340
  2. Janelle Printz, AGACNP-BCGreeley, CO 806311376198762
  3. Mary Lloyd-Cumley, N.P.Greeley, CO 806391437145638
  4. Rebecca Hutcheson, APRN, BCFort Morgan, CO 807011043227309
  5. Joshua Tueting, APNPLyons, CO 805401831459692
  6. Denise Carlson, NURSE PRACTITIONER CLoveland, CO 805381841208055
  7. Magan Hays, N.P.Loveland, CO 805381518333046
  8. Whitney Janny, AGACNP-BCLoveland, CO 805381538635271

Common questions

What is Allison Polzin, AG-ACNP's NPI number?

Allison Polzin, AG-ACNP's National Provider Identifier (NPI) is 1306358429, issued on Oct 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Allison Polzin, AG-ACNP located?

The NPPES record lists a practice address at 2410 W 16TH St, Greeley, CO, 80634. Phone: (970) 810-3988. Providers update this record themselves, so call before visiting.

How can I verify Allison Polzin, AG-ACNP's license?

NPPES lists Colorado license number APN.0993343-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.