Michael A. Nizzi, D.O.
Surgery Physician · Nampa, ID
Michael A. Nizzi, D.O. is a surgery physician with a practice address in Nampa, Idaho, and NPI 1700802055, issued on Jul 13, 2006. Check the license (Idaho 4561673, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael A. Nizzi
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 4561673 ID
5101012308 MI
DO228162 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4400 E Flamingo Ave Ste 200, Nampa, ID 83687
- Phone
- (208) 302-2700
- Enumerated
- Jul 13, 2006
- Record last updated
- Mar 24, 2026
- Fax
- (208) 302-2725
- Medicare enrollment
- Enrolled (PECOS I20250331002357); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1991
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 179 in Idaho → Look up another NPI →
Also registered at 4400 E Flamingo Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Forrest Fredline, DOSurgery Physician1245493840
- Katherine Homer, D.O.Surgery Physician1790167757
- Michael McComb, PASurgical Physician Assistant1568778918
- Aaron Newton, D.O.Sports Medicine (Orthopaedic Surgery) Physician1538507520
- Katie Nichols, PA-CSurgical Physician Assistant1700447141
- Wesley Pidcock, DOPulmonary Disease Physician1013335157
Verify Michael A. Nizzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license 4561673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average surgery physician in 2024
103 Medicare Part D claims for 70 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 40 claims were for opioids.
Most prescribed
- Oxycodone Hcl37 claims
- Sod Sulf-Potass Sulf-Mag Sulf13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 19.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $337.66
2 payments; by number, the most common kind was food and beverage; the largest payer was Conmed Corporation. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Saint Alphonsus Regional Medical Center IncMeridian, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Nizzi among 179 surgery physician records in Idaho
Michael A. Nizzi, D.O. is one of 179 surgery physician records with a practice address in Idaho. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1991 · median 2008 among the 119 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Idaho
There are 179 surgery physician records in Idaho.
All 179 in Idaho → Every provider in Nampa → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Forrest Fredline, DONampa, ID 836871245493840
- Katherine Homer, D.O.Nampa, ID 836871790167757
- Richard Martin, MDNampa, ID 836871285698571
- Amber Taylor, MDNampa, ID 836871902154149
- Richard Ballantyne, DONampa, ID 836861174745582
- Christian Vetsch, MDNampa, ID 836861255321261
- Dennis Weiler, M.D.Nampa, ID 836861235322660
- Mark Baradziej, M.D.Boise, ID 837021881605590
Common questions
What is Michael A. Nizzi, D.O.'s NPI number?
Michael A. Nizzi, D.O.'s National Provider Identifier (NPI) is 1700802055, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Nizzi, D.O. located?
The NPPES record lists a practice address at 4400 E Flamingo Ave Ste 200, Nampa, ID, 83687. Phone: (208) 302-2700. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Nizzi, D.O.'s license?
NPPES lists Idaho license number 4561673, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael A. Nizzi, D.O. prescribe under Medicare Part D?
In 2024, Michael A. Nizzi, D.O. had 103 Medicare Part D claims for 70 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Michael A. Nizzi, D.O.'s MIPS final score?
The 2023 MIPS final score is 19.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.