NPPES file of Aug 9, 2026

Amy R. Polzin, NP

Nurse Practitioner · Saginaw, MI

Amy R. Polzin, NP is a nurse practitioner with a practice address in Saginaw, Michigan, and NPI 1407677727, issued on Oct 19, 2024. Check the license (Michigan 4704298823, as entered in NPPES) with the Michigan 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
1407677727
Name
Amy R. Polzin
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
4704298823 MI
Self-reported in NPPES; status is on the state search
Practice location
5400 Mackinaw RD, Saginaw, MI 48604
Phone
(989) 583-5195
Enumerated
Oct 19, 2024
Record last updated
Aug 6, 2025
Medicare enrollment
Enrolled (PECOS I20241107002748); 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 nurse practitioner records → All 3,574 in Michigan → Look up another NPI →

Also registered at 5400 Mackinaw RD

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

  1. Mark Adams, M.DClinical Genetics (M.D.) Physician1427090448
  2. Natalie AguilarStudent in an Organized Health Care Education/Training Program1356235212
  3. Swati AravindanStudent in an Organized Health Care Education/Training Program1831085273
  4. Sussan Bays, MDSurgery Physician1265415228
  5. Parth BhagatStudent in an Organized Health Care Education/Training Program1215823265
  6. Kasandra BienkowskiStudent in an Organized Health Care Education/Training Program1790679223

Verify Amy R. Polzin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704298823    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 Michigan 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. Covenant Medical Center IncSaginaw, MI

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

Amy R. Polzin among 3,574 nurse practitioner records in Michigan

Amy R. Polzin, NP is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 91% of them.

  • NPI issued2024 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2024 · median 2017 among the 1,983 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 nurse practitioner records list a practice address in Saginaw

They are 88 of the 6,008 NPPES records with a practice address in Saginaw, and 3,574 nurse practitioner records in Michigan.

All 3,574 in Michigan → Every provider in Saginaw → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Julia Barrons, NPSaginaw, MI 486041902281397
  2. Jeanne Bender, NPSaginaw, MI 486041962595884
  3. Brenda Buchanan, FNPSaginaw, MI 486041780740738
  4. Donna Burton, NPSaginaw, MI 486041457740565
  5. Amy Copes, NURSE PRACTITIONER NSaginaw, MI 486041508844127
  6. Renee Doherty, CNPSaginaw, MI 486041891001681
  7. Erica Ingles, NPSaginaw, MI 486041902220098
  8. Rhonda Ivan, NP NURSE PRACTITIONESaginaw, MI 486041134107766

Common questions

What is Amy R. Polzin, NP's NPI number?

Amy R. Polzin, NP's National Provider Identifier (NPI) is 1407677727, issued on Oct 19, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Amy R. Polzin, NP located?

The NPPES record lists a practice address at 5400 Mackinaw RD, Saginaw, MI, 48604. Phone: (989) 583-5195. Providers update this record themselves, so call before visiting.

How can I verify Amy R. Polzin, NP's license?

NPPES lists Michigan license number 4704298823, as entered by the provider. Search the Michigan 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.