Dr. Jonathan Maciejewski, DO
- Part D claims, 2024
- 482
- Hospital affiliations
- 2
- Industry payments
- $15
- Medical group
- 1
- State license
- 1
- Practice address
- 3000 Arlington Avenue, Toledo, OH 43614
- Practice phone
- Call (419) 383-3407
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maciejewski'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. Jonathan Maciejewski is a psychiatrist in Toledo, Ohio
Dr. Maciejewski practices at University of Toledo Medical Center in Toledo, Ohio, part of The University of Toledo Medical Center.
Dr. Maciejewski's NPI, 1477283232, was assigned on June 14, 2022. Dr. Maciejewski holds Ohio license 34.017339.
- NPI
- 1477283232NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597148544
- NPI enumeration date
- June 14, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 383-3407
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Maciejewski practices at University of Toledo Medical Center in Toledo, Ohio
Dr. Maciejewski's primary practice is University of Toledo Medical Center, at 3000 Arlington Avenue, Toledo, OH 43614 in Lucas County. The practice phone is (419) 383-3407.
- University of Toledo Medical Center3000 Arlington Avenue, Toledo, OH 43614 · Lucas CountyPhone(419) 383-3407
Source: Dmand AI Affiliation Data
Dr. Jonathan Maciejewski is affiliated with 3 sites of care and 1 medical group
Dr. Maciejewski's primary practice is University of Toledo Medical Center in Toledo, Ohio, part of The University of Toledo Medical Center. Dr. Maciejewski is also affiliated with ProMedica Monroe Regional Hospital. The medical group on file is RT Clinics. Dmand AI also links Dr. Maciejewski to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan Maciejewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maciejewski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Toledo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Toledo Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jonathan Maciejewski is one of 1,227 psychiatrists in Ohio
Psychiatry is Dr. Maciejewski's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Maciejewski is licensed in Ohio.
Specialties and state licenses
- Psychiatry, OhioPrimary
Psychiatrists near Dr. Maciejewski
Counts of psychiatrists 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. Jonathan Maciejewski's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Maciejewski's median patient age at 77, with 33% women.
Dr. Maciejewski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Jonathan Maciejewski wrote 482 Medicare Part D claims in 2024
In 2024, Dr. Maciejewski wrote 482 Medicare Part D claims for 49 patients. 97% of them were for generic drugs. CMS names the drug for 335 of them, across 13 drugs with 11 or more claims each, at $4,928 in total drug cost.
Dr. Maciejewski's Part D claims by kind of drug, 2024
- Generic468 claims97%
- Brand-name14 claims3%
Dr. Maciejewski'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.
Drug classes CMS tracks in Dr. Maciejewski's Part D claims, 2024
- Antipsychotics, patients 65 and over5%25 of 482 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Jonathan Maciejewski takes part in Medicare
Dr. Maciejewski 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jonathan Maciejewski received $15 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Maciejewski from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Axsome Therapeutics, Inc. paid the most, $15.
Companies that paid Dr. Maciejewski the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan Maciejewski'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Jonathan Maciejewski
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. Jonathan Maciejewski's NPI number?
Dr. Jonathan Maciejewski's NPI number is 1477283232. It was assigned on June 14, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Maciejewski?
Dr. Jonathan Maciejewski is a psychiatrist in Toledo, Ohio. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Jonathan Maciejewski practice?
Dr. Maciejewski practices at 3000 Arlington Avenue, Toledo, OH 43614. Dr. Maciejewski's primary practice is University of Toledo Medical Center in Toledo, Ohio, part of The University of Toledo Medical Center. Dmand AI also links Dr. Maciejewski to 1 group practice or clinic.
What is Dr. Jonathan Maciejewski's office phone number?
The practice phone on file for Dr. Maciejewski is (419) 383-3407.
What is Dr. Jonathan Maciejewski's medical license number?
Dr. Maciejewski holds Ohio license 34.017339.
Which hospitals is Dr. Jonathan Maciejewski affiliated with?
Dr. Maciejewski practices at University of Toledo Medical Center in Toledo, Ohio. Dr. Maciejewski is also affiliated with ProMedica Monroe Regional Hospital.
What medical group is Dr. Jonathan Maciejewski part of?
Dr. Maciejewski is linked to RT Clinics.
Does Dr. Jonathan Maciejewski accept Medicare?
Yes. CMS lists Dr. Maciejewski as accepting Medicare assignment.
What drugs does Dr. Jonathan Maciejewski prescribe most?
In 2024 Medicare Part D data, Dr. Maciejewski's most prescribed drugs by claims were Sertraline HCl, Buspirone HCl and Quetiapine Fumarate.
Has Dr. Jonathan Maciejewski received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Maciejewski from 1 company from 2024 to 2024. The largest total came from Axsome Therapeutics, Inc.
How long has Dr. Jonathan Maciejewski been practicing?
Dr. Maciejewski's NPI was assigned in 2022.
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