Nathan Zziwa Zziwambazza, MD
Emergency Medicine Physician · Howell, MI
Nathan Zziwa Zziwambazza, MD is an emergency medicine physician with a practice address in Howell, Michigan, and NPI 1033160296, issued on May 13, 2006. Check the license (Michigan 4301074219, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nathan Zziwa Zziwambazza
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4301074219 MI
Self-reported in NPPES; status is on the state search - Practice location
- 620 Byron RD, Howell, MI 48843
- Phone
- (517) 545-6000
- Enumerated
- May 13, 2006
- Record last updated
- May 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid IDs
- 4433870 MI
4527618 MI
4628227 MI
4478228 MI - Medicare enrollment
- Enrolled (PECOS I20050713000180); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 620 Byron RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Landon Bartlett, PA-CPhysician Assistant1972571115
- Bryan Battjes, OTRLOccupational Therapist1164942256
- Amanda Bowersox, OTRLOccupational Therapist1922528025
- Robert BunnellPhysical Therapist1982180030
- Lera-Jo Cavanaugh, NNPCritical Care Neonatal Nurse Practitioner1235211681
- Kristy Cuthbert, CEPClinical Exercise Physiologist1497437412
Verify Nathan Zziwa Zziwambazza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301074219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average emergency medicine physician in 2024
357 Medicare Part D claims for 230 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Methylprednisolone47 claims
- Cephalexin33 claims
- Ondansetron Odt27 claims
- Cyclobenzaprine Hcl26 claims
- Ketorolac Tromethamine26 claims
- Azithromycin24 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): 89.6 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).
Bills Medicare through one group practice
- Sturgis Hospital IncSturgis, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Zziwa Zziwambazza among 3,083 emergency medicine physician records in Michigan
Nathan Zziwa Zziwambazza, MD 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 77% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2013 among the 1,931 with a school on file
- Record last updated2008 · 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).
Emergency Medicine Physician providers in Michigan
There are 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Howell → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Laurie Dixon, MDHowell, MI 488431760701866
- Pamela Eaton, D.O.Howell, MI 488431114927944
- Charles Grassie, M.D.Howell, MI 488431649226119
- William Kanitz, M.D.Howell, MI 488431871907899
- Ivan Raimi, DOHowell, MI 488431386690212
- Bradley Stone, D.O.Howell, MI 488431639524036
- Jamie Christopoulos, D.O.Haslett, MI 488401942520200
- Scott Holmes, M.D.Ionia, MI 488461790883189
Common questions
What is Nathan Zziwa Zziwambazza, MD's NPI number?
Nathan Zziwa Zziwambazza, MD's National Provider Identifier (NPI) is 1033160296, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Zziwa Zziwambazza, MD located?
The NPPES record lists a practice address at 620 Byron RD, Howell, MI, 48843. Phone: (517) 545-6000. Providers update this record themselves, so call before visiting.
How can I verify Nathan Zziwa Zziwambazza, MD's license?
NPPES lists Michigan license number 4301074219, 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 Nathan Zziwa Zziwambazza, MD prescribe under Medicare Part D?
In 2024, Nathan Zziwa Zziwambazza, MD had 357 Medicare Part D claims for 230 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Nathan Zziwa Zziwambazza, MD's MIPS final score?
The 2023 MIPS final score is 89.6 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.