Dr. Jonathan Maciejewski, DO

  • Toledo, OH
  • Psychiatrist
NPI1477283232PAC ID5597148544
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
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Toledo Medical Center

Hospital · Toledo, Ohio

See all 4 affiliations

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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 and contact details
Medicare PAC ID
5597148544
NPI enumeration date
June 14, 2022
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(419) 383-3407
Professional email
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Personal email
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Mobile number
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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.

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.

See all 4 affiliations for Dr. Maciejewski

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.

EHR by site
SiteEHR vendor and product
University of Toledo Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, OhioPrimaryLicense 34.017339 · taxonomy 2084P0800X

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.

Part D claims, 2024482
Drugs named by CMS13
Total drug cost$4,928
Part D patients49

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.

See all prescribing by Dr. Maciejewski

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)

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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.

See all payments to Dr. Maciejewski

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Jonathan Maciejewski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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