Peter Zack, DO
Emergency Medicine Physician · Kalamazoo, MI
Peter Zack, DO is an emergency medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1255781852, issued on Jun 15, 2016. Check the license (Michigan 5101022696, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Peter Zack
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 5101022696 MI
02005639A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Oakland Dr, Kalamazoo, MI 49008
- Phone
- (269) 337-6019
- Enumerated
- Jun 15, 2016
- Record last updated
- Jan 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190812000203); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1000 Oakland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Syed Muhammad Abbas, MDStudent in an Organized Health Care Education/Training Program1093697260
- Saja AbdelhadiStudent in an Organized Health Care Education/Training Program1003654070
- Peter Abdou, MEDICAL STUDENT (MD)Student in an Organized Health Care Education/Training Program1578243721
- Ramsha Abdul Qadir, MDStudent in an Organized Health Care Education/Training Program1972493583
- Melinda Abernethy, M.D.Reproductive Endocrinology Physician1427254226
Verify Peter Zack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101022696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average emergency medicine physician in 2024
236 Medicare Part D claims for 172 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 12 claims were for opioids.
Most prescribed
- Cephalexin29 claims
- Prednisone26 claims
- Amoxicillin-Clavulanate Potass13 claims
- Fluticasone Propionate13 claims
- Hydrocodone-Acetaminophen12 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): 81.1 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: $23.16
1 payment: food and beverage; the largest payer was Integra LifeSciences Corporation. The 12,335 providers of this specialty with any payment received $953.79 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
- Clarksville Emergency Group PCMichigan City, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Zack among 3,083 emergency medicine physician records in Michigan
Peter Zack, DO is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 62% of them.
- NPI issued2016 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2013 among the 1,931 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 emergency medicine physician records list a practice address in Kalamazoo
They are 154 of the 6,553 NPPES records with a practice address in Kalamazoo, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Kalamazoo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Beth Armstrong, M.D.Kalamazoo, MI 490081114984127
- Brenda Becker, MDKalamazoo, MI 490081679774244
- Brigitte Bigelow, MDKalamazoo, MI 490081780885368
- Scott Cline, M.D.Kalamazoo, MI 490081295886802
- William Fales, M.D.Kalamazoo, MI 490081063473114
- Lisa Forrest, MDKalamazoo, MI 490081821051822
- Marc Headapohl, M.D.Kalamazoo, MI 490081033158159
- Nathaniel Johnson, MDKalamazoo, MI 490081295937720
Common questions
What is Peter Zack, DO's NPI number?
Peter Zack, DO's National Provider Identifier (NPI) is 1255781852, issued on Jun 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Peter Zack, DO located?
The NPPES record lists a practice address at 1000 Oakland Dr, Kalamazoo, MI, 49008. Phone: (269) 337-6019. Providers update this record themselves, so call before visiting.
How can I verify Peter Zack, DO's license?
NPPES lists Michigan license number 5101022696, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Zack, DO prescribe under Medicare Part D?
In 2024, Peter Zack, DO had 236 Medicare Part D claims for 172 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Peter Zack, DO's MIPS final score?
The 2023 MIPS final score is 81.1 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.