Maddi A. Massa
- Medicare services, 2024
- 221
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 67
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 1234 Napier Avenue, Saint Joseph, MI 49085
- Practice phone
- Call (269) 983-8300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Maddi Massa's professional email, personal email and mobile number
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Maddi A. Massa is an emergency medicine physician in Saint Joseph, Michigan
Maddi Massa practices at Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan, part of Corewell Health.
Maddi Massa's NPI, 1356702567, was assigned on March 15, 2016. Maddi Massa graduated from Michigan State University College of Osteopathic Medicine in 2016. Maddi Massa holds Michigan license 5101024518.
- NPI
- 1356702567NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335432210
- NPI enumeration date
- March 15, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 983-8300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maddi A. Massa practices at Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan
Maddi Massa's primary practice is Corewell Health Lakeland Hospitals - Saint Joseph Hospital, at 1234 Napier Avenue, Saint Joseph, MI 49085 in Berrien County. The practice phone is (269) 983-8300.
- Corewell Health Lakeland Hospitals - Saint Joseph Hospital1234 Napier Avenue, Saint Joseph, MI 49085 · Berrien CountyPhone(269) 983-8300
Source: Dmand AI Affiliation Data
Maddi A. Massa is affiliated with 2 sites of care and 1 medical group
Maddi Massa's primary practice is Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan, part of Corewell Health. Maddi Massa is also affiliated with Corewell Health Watervliet Hospital. The medical group on file is EPMG Southwest Michigan PLLC.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Maddi A. Massa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maddi Massa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Lakeland Hospitals - Saint Joseph Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Maddi A. Massa is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Maddi Massa's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Maddi Massa is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Maddi Massa
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Maddi A. Massa billed Medicare for 221 services in 2024
CMS data shows 221 Medicare services from Maddi Massa across 4 procedure codes in 2024, for 190 Medicare patients. Medicare paid $23,427 for them. Every service was in a facility, such as a hospital, rather than an office.
Maddi Massa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4142024: 18256%
- Tests and treatments
- 2023: 1532024: 3975%
Maddi Massa compared with the Michigan median for emergency medicine physicians, 2024
- Maddi Massa
- Michigan median
- Medicare services
- 221vs 2346% below
- Medicare patients
- 190vs 21411% below
- Part D claims
- 42vs 469% below
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Maddi Massa's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Maddi A. Massa treated 190 Medicare patients in 2024, average age 74
CMS counts 190 Medicare patients who saw Maddi Massa in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Maddi Massa's median patient age at 43, with 57% women.
Maddi Massa's Medicare patients by age, 2024
Maddi Massa's Medicare patients by sex, 2024
- Women11661%
- Men7439%
Chronic conditions among Maddi Massa's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis48%
- Anxiety39%
- Chronic kidney disease39%
- Mood disorders39%
- Depression36%
- Ischemic heart disease36%
Share of Medicare patients with each condition. A patient can have several.
Maddi Massa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Maddi A. Massa wrote 67 Medicare Part D claims in 2024
In 2024, Maddi Massa wrote 67 Medicare Part D claims for 50 patients. 97% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $313 in total drug cost. In 2022, CMS named 40 claims across 3 drugs.
Maddi Massa's Part D claims by kind of drug, 2024
- Generic65 claims97%
- Brand-name and other2 claims3%
Maddi Massa's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Maddi Massa's Part D claims, 2024
- Antibiotics25%17 of 67 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 402023: 425%
Drugs named by CMS: 3 in 2023, 3 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Maddi A. Massa takes part in Medicare
Maddi Massa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Maddi A. Massa has 1 publication on record
Dmand AI links 1 paper to Maddi Massa.
Recent publications by Maddi Massa
See who Maddi Massa researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Maddi Massa works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Maddi A. Massa graduated from Michigan State University College of Osteopathic Medicine
Maddi Massa graduated from Michigan State University College of Osteopathic Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Maddi A. Massa's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Maddi A. Massa
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maddi A. Massa's NPI number?
Maddi A. Massa's NPI number is 1356702567. It was assigned on March 15, 2016, and it is active in the NPI Registry.
What does Maddi A. Massa specialize in?
Maddi A. Massa is an emergency medicine physician in Saint Joseph, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Maddi A. Massa practice?
Maddi Massa practices at 1234 Napier Avenue, Saint Joseph, MI 49085. Maddi Massa's primary practice is Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan, part of Corewell Health.
What is Maddi A. Massa's office phone number?
The practice phone on file for Maddi Massa is (269) 983-8300.
What is Maddi A. Massa's medical license number?
Maddi Massa holds Michigan license 5101024518.
Which hospitals is Maddi A. Massa affiliated with?
Maddi Massa practices at Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan. Maddi Massa is also affiliated with Corewell Health Watervliet Hospital.
What medical group is Maddi A. Massa part of?
Maddi Massa is linked to EPMG Southwest Michigan PLLC.
Does Maddi A. Massa accept Medicare?
Yes. CMS data shows Maddi Massa billed Medicare for 221 services in 2024, and Maddi Massa accepts Medicare assignment.
How many Medicare patients does Maddi A. Massa see?
CMS counts 190 Medicare patients who saw Maddi Massa in 2024, with an average age of 74.
What services does Maddi A. Massa bill to Medicare?
In 2024, Maddi Massa's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
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Where did Maddi A. Massa go to medical school?
Maddi Massa graduated from Michigan State University College of Osteopathic Medicine in 2016.
What drugs does Maddi A. Massa prescribe most?
In 2023 Medicare Part D data, Maddi Massa's most prescribed drugs by claims were Ondansetron ODT, Cephalexin and Hydrocodone-Acetaminophen.
How long has Maddi A. Massa been practicing?
Maddi Massa graduated from medical school in 2016, 10 years ago.
Does Maddi A. Massa do research?
Dmand AI links 1 publication to Maddi Massa.
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