Joshua Harold Zarowitz, D.O.
Psychiatry Physician · Willoughby, OH
Joshua Harold Zarowitz, D.O. is a psychiatry physician with a practice address in Willoughby, Ohio, and NPI 1164717328, issued on Jun 16, 2011. Check the license (Ohio 34.011710, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Joshua Harold Zarowitz
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 34.011710 OH
Self-reported in NPPES; status is on the state search - Practice location
- 35900 Euclid Ave, Willoughby, OH 44094
- Phone
- (440) 953-3057
- Enumerated
- Jun 16, 2011
- Record last updated
- Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 0124422 OH
- Medicare enrollment
- Enrolled (PECOS I20160511002658); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2011
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,587 in Ohio → Look up another NPI →
Also registered at 35900 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brenda Bailey, LPCC-SProfessional Counselor1902267511
- Leonard Barley, MDPsychiatry Physician1629151055
- Shakele BrownPsychiatric/Mental Health Nurse Practitioner1316614936
- April Debiasi, NP-CPsychiatric/Mental Health Nurse Practitioner1093273138
- Jessica LydonMental Health Counselor1164870762
Verify Joshua Harold Zarowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.011710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average psychiatry physician in 2024
264 Medicare Part D claims for 61 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl18 claims
- Escitalopram Oxalate16 claims
- Risperidone13 claims
- Mirtazapine12 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Hospitals Medical Group IncCleveland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Harold Zarowitz among 1,587 psychiatry physician records in Ohio
Joshua Harold Zarowitz, D.O. is one of 1,587 psychiatry physician records with a practice address in Ohio. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.
- NPI issued2011 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2011 · median 2003 among the 775 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Ohio
There are 1,587 psychiatry physician records in Ohio.
All 1,587 in Ohio → Every provider in Willoughby → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Leonard Barley, MDWilloughby, OH 440941629151055
- Jayant Choure, M.D.Willoughby, OH 440941932307154
- Diane Eden, M.D.Willoughby Hills, OH 440941720052772
- David Feldman, DAVID FELDMAN M.D.Willoughby, OH 440941306817440
- Christopher James, D.OWilloughby, OH 440941790996726
- Doug McLaughlin, D.O.Willoughby Hills, OH 440941023075413
- Kathryn Muzina, MDWilloughby Hills, OH 440941285623637
- Erika Nathan, MDWilloughby Hills, OH 440941174675516
Common questions
What is Joshua Harold Zarowitz, D.O.'s NPI number?
Joshua Harold Zarowitz, D.O.'s National Provider Identifier (NPI) is 1164717328, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Harold Zarowitz, D.O. located?
The NPPES record lists a practice address at 35900 Euclid Ave, Willoughby, OH, 44094. Phone: (440) 953-3057. Providers update this record themselves, so call before visiting.
How can I verify Joshua Harold Zarowitz, D.O.'s license?
NPPES lists Ohio license number 34.011710, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joshua Harold Zarowitz, D.O. prescribe under Medicare Part D?
In 2024, Joshua Harold Zarowitz, D.O. had 264 Medicare Part D claims for 61 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Joshua Harold Zarowitz, D.O.'s MIPS final score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.