Maddi Massa
Emergency Medicine Physician · Saint Joseph, MI
Maddi Massa is an emergency medicine physician with a practice address in Saint Joseph, Michigan, and NPI 1356702567, issued on Mar 15, 2016. Check the license (Michigan 5101024518, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Maddi Massa
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101024518 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1234 Napier Ave, Saint Joseph, MI 49085
- Phone
- (269) 982-4941
- Enumerated
- Mar 15, 2016
- Record last updated
- Aug 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190826003000); accepts Medicare assignment
- Medical or professional school
- Michigan State University College 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 1234 Napier Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erik Achramowicz, D.O.Emergency Medicine Physician1598027245
- Scott Achramowicz, PAPhysician Assistant1295244630
- Joseph Aderemi, MDPsychiatry Physician1831726546
- Kristina Aleksoniene, MDInfectious Disease Physician1659545002
- Sydney Alexander, DOFamily Medicine Physician1144952698
- Robert Allen, MDCritical Care Medicine (Internal Medicine) Physician1073540647
Verify Maddi Massa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101024518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average emergency medicine physician in 2024
67 Medicare Part D claims for 50 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Epmg Southwest Michigan PLLCWatervliet, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maddi Massa among 3,083 emergency medicine physician records in Michigan
Maddi Massa 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 updated2019 · 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).
50 emergency medicine physician records list a practice address in Saint Joseph
They are 50 of the 1,038 NPPES records with a practice address in Saint Joseph, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Saint Joseph → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jonathan Beyer, D.O.Saint Joseph, MI 490851811121593
- Dan Chaffee, M.D.Saint Joseph, MI 490851528003308
- Michael Clark, DOSaint Joseph, MI 490851073549804
- Steven Culley, DOSaint Joseph, MI 490851316237795
- Jessica Hamill Schindler, D.O.Saint Joseph, MI 490851023305794
- Judd Herring, DO, MPT, COMTSaint Joseph, MI 490851982614608
- Matthew Hysell, M.D.Saint Joseph, MI 490851922198704
- Michelino Mancini, D.O.St Joseph, MI 490851467407981
Common questions
What is Maddi Massa's NPI number?
Maddi Massa's National Provider Identifier (NPI) is 1356702567, issued on Mar 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Maddi Massa located?
The NPPES record lists a practice address at 1234 Napier Ave, Saint Joseph, MI, 49085. Phone: (269) 982-4941. Providers update this record themselves, so call before visiting.
How can I verify Maddi Massa's license?
NPPES lists Michigan license number 5101024518, 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 Maddi Massa prescribe under Medicare Part D?
In 2024, Maddi Massa had 67 Medicare Part D claims for 50 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions 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.
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.