Dr. Peter Joseph Maceroni Jr., DO
- Medicare services, 2024
- 188
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 945
- Hospital affiliations
- 1
- Industry payments
- $11,032
- Practice address
- 11800 E 12 Mile Rd, Warren, MI 48093
- Practice phone
- Call (586) 573-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension Macomb - Oakland Hospital - Warren Campus
Warren, Michigan
Find Dr. Maceroni's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Peter Joseph Maceroni Jr. is a neurologist in Warren, Michigan
Dr. Maceroni practices at Ascension Macomb - Oakland Hospital - Warren Campus in Warren, Michigan.
Dr. Maceroni's NPI, 1124221668, was assigned on June 11, 2007. Dr. Maceroni graduated from Michigan State University College of Osteopathic Medicine in 2007. Dr. Maceroni holds Michigan license 5101017204.
- NPI
- 1124221668NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709054000
- NPI enumeration date
- June 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (586) 573-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Joseph Maceroni Jr. practices at Ascension Macomb - Oakland Hospital - Warren Campus in Warren, Michigan
Dr. Maceroni's primary practice is Ascension Macomb - Oakland Hospital - Warren Campus, at 11800 E 12 Mile Rd, Warren, MI 48093 in Macomb County. The practice phone is (586) 573-5000.
- Ascension Macomb - Oakland Hospital - Warren Campus11800 E 12 Mile Rd, Warren, MI 48093 · Macomb CountyPhone(586) 573-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter Joseph Maceroni Jr. is affiliated with 5 sites of care and 4 medical groups
Dr. Maceroni's primary practice is Ascension Macomb - Oakland Hospital - Warren Campus in Warren, Michigan. Dr. Maceroni is also affiliated with McLaren Northern Michigan. The medical group on file is Henry Ford Warren Hospital. Dmand AI also links Dr. Maceroni to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter Joseph Maceroni Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maceroni practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Macomb - Oakland Hospital - Warren Campus | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Joseph Maceroni Jr. is one of 642 neurologists in Michigan
Neurology is Dr. Maceroni's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Maceroni's licenses on file in 2 states: Michigan and Ohio.
Specialties and state licenses
- Neurology, MichiganPrimary
- Ohio license
Neurologists near Dr. Maceroni
Counts of neurologists 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
Dr. Peter Joseph Maceroni Jr. billed Medicare for 188 services in 2024
CMS data shows 188 Medicare services from Dr. Maceroni across 5 procedure codes in 2024, all of them office visits, for 116 Medicare patients. Medicare paid $19,662 for them. Every service was in an office.
Dr. Maceroni's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2142024: 18812%
Dr. Maceroni compared with the Michigan median for neurologists, 2024
- Dr. Maceroni
- Michigan median
- Medicare services
- 188vs 27030% below
- Medicare patients
- 116vs 16831% below
- Part D claims
- 809vs 41694% above
Medians across 602 neurologists in Michigan with Dmand AI profiles that report each measure.
Dr. Maceroni'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maceroni and other neurologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Joseph Maceroni Jr. treated 116 Medicare patients in 2024, average age 70
CMS counts 116 Medicare patients who saw Dr. Maceroni in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maceroni's median patient age at 62, with 52% women.
Dr. Maceroni's Medicare patients by age, 2024
Dr. Maceroni's Medicare patients by sex, 2024
- Women5547%
- Men6153%
Chronic conditions among Dr. Maceroni's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease37%
- Mood disorders37%
- Depression34%
- Anxiety27%
- COPD25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maceroni's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Joseph Maceroni Jr. wrote 945 Medicare Part D claims in 2024
In 2024, Dr. Maceroni wrote 945 Medicare Part D claims for 152 patients. 85% of them were for generic drugs. CMS names the drug for 809 of them, across 25 drugs with 11 or more claims each, at $314,347 in total drug cost. In 2023, CMS named 703 claims across 23 drugs.
Dr. Maceroni's Part D claims by kind of drug, 2024
- Generic800 claims85%
- Brand-name145 claims15%
Dr. Maceroni's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7032024: 80915%
Drugs named by CMS: 25 in 2024, 23 in 2023.
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 Dr. Peter Joseph Maceroni Jr. takes part in Medicare
Dr. Maceroni 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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Dr. Peter Joseph Maceroni Jr. received $11,032 in industry payments from 2016 to 2025
CMS Open Payments shows 554 general payments to Dr. Maceroni from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 63% of the total. LivaNova PLC paid the most, $2,317.
General payments to Dr. Maceroni by program year, 2016 to 2025
General payments to Dr. Maceroni by kind, 2016 to 2025
- Food and beverage$6,99063%
- Travel and lodging$3,31230%
- Education$7046%
- Speaker and faculty fees$260%
Companies that paid Dr. Maceroni the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Joseph Maceroni Jr. graduated from Michigan State University College of Osteopathic Medicine
Dr. Maceroni graduated from Michigan State University College of Osteopathic Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Joseph Maceroni Jr.'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. Peter Joseph Maceroni Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Peter Joseph Maceroni Jr.'s NPI number?
Dr. Peter Joseph Maceroni Jr.'s NPI number is 1124221668. It was assigned on June 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Joseph Maceroni Jr.?
Dr. Peter Joseph Maceroni Jr. is a neurologist in Warren, Michigan. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Peter Joseph Maceroni Jr. practice?
Dr. Maceroni practices at 11800 E 12 Mile Rd, Warren, MI 48093. Dr. Maceroni's primary practice is Ascension Macomb - Oakland Hospital - Warren Campus in Warren, Michigan. Dmand AI also links Dr. Maceroni to 3 group practices and clinics and 3 medical groups.
What is Dr. Peter Joseph Maceroni Jr.'s office phone number?
The practice phone on file for Dr. Maceroni is (586) 573-5000.
What is Dr. Peter Joseph Maceroni Jr.'s medical license number?
Dr. Maceroni holds Michigan license 5101017204, one of the licenses on file in 2 states.
Which states has Dr. Peter Joseph Maceroni Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Maceroni in Michigan and Ohio.
Which hospitals is Dr. Peter Joseph Maceroni Jr. affiliated with?
Dr. Maceroni is affiliated with McLaren Northern Michigan.
What medical group is Dr. Peter Joseph Maceroni Jr. part of?
Dr. Maceroni is linked to Henry Ford Warren Hospital. Dmand AI links Dr. Maceroni to 3 more medical groups.
Does Dr. Peter Joseph Maceroni Jr. accept Medicare?
Yes. CMS data shows Dr. Maceroni billed Medicare for 188 services in 2024, and Dr. Maceroni accepts Medicare assignment.
How many Medicare patients does Dr. Peter Joseph Maceroni Jr. see?
CMS counts 116 Medicare patients who saw Dr. Maceroni in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Peter Joseph Maceroni Jr. bill to Medicare?
In 2024, Dr. Maceroni's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Peter Joseph Maceroni Jr. go to medical school?
Dr. Maceroni graduated from Michigan State University College of Osteopathic Medicine in 2007.
What drugs does Dr. Peter Joseph Maceroni Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Maceroni's most prescribed drugs by claims were Carbidopa-Levodopa, Propranolol HCl ER and Memantine HCl.
Has Dr. Peter Joseph Maceroni Jr. received payments from drug or device companies?
CMS Open Payments shows $11,032 in general payments to Dr. Maceroni from 36 companies from 2016 to 2025. The largest total came from LivaNova PLC.
How long has Dr. Peter Joseph Maceroni Jr. been practicing?
Dr. Maceroni graduated from medical school in 2007, 19 years ago.
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