John A. Nadas, M.D.
Psychiatry Physician · Canton, OH
John A. Nadas, M.D. is a psychiatry physician with a practice address in Canton, Ohio, and NPI 1104922798, issued on Sep 15, 2006. Check the license (Ohio 35-050424, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- John A. Nadas
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 35-050424 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1330 Mercy Dr NW, Canton, OH 44708
- Phone
- (330) 489-1495
- Enumerated
- Sep 15, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 0553066 OH
- Medicare enrollment
- Enrolled (PECOS I20100224000227); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,587 in Ohio → Look up another NPI →
Also registered at 1330 Mercy Dr NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laurie Fitzgibbon, NP-C, CCNSAdult Health Nurse Practitioner1902261944
- Slawomir Fratczak, MDInternal Medicine Physician1124009436
- Meghan Gruelle, CNPAcute Care Nurse Practitioner1730041724
Verify John A. Nadas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-050424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average psychiatry physician in 2024
424 Medicare Part D claims for 45 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Buspirone Hcl55 claims
- Trazodone Hcl51 claims
- Duloxetine Hcl28 claims
- Mirtazapine27 claims
- Paroxetine Hcl27 claims
- Lamotrigine23 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.
John A. Nadas among 1,587 psychiatry physician records in Ohio
John A. Nadas, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 55% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1974 · median 2003 among the 775 with a school on file
- Record last updated2007 · 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 Canton → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Abbas SadeghianCanton, OH 447081487765467
- Joel Schwartz, DOCanton, OH 447081376627364
- Mark Snavely, MDCanton, OH 447081285720995
- Barbara Lohn, M.D.Canton, OH 447031316953490
- Pratibha Parikh, MDCanton, OH 447031881620516
- Humayun Chughtai, MDCanton, OH 447021992801088
- Osamuedemen Iyoha, MDCanton, OH 447021144616079
- Nageswara Kommareddi, M.D.,Canton, OH 447021164527768
Common questions
What is John A. Nadas, M.D.'s NPI number?
John A. Nadas, M.D.'s National Provider Identifier (NPI) is 1104922798, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Nadas, M.D. located?
The NPPES record lists a practice address at 1330 Mercy Dr NW, Canton, OH, 44708. Phone: (330) 489-1495. Providers update this record themselves, so call before visiting.
How can I verify John A. Nadas, M.D.'s license?
NPPES lists Ohio license number 35-050424, 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 John A. Nadas, M.D. prescribe under Medicare Part D?
In 2024, John A. Nadas, M.D. had 424 Medicare Part D claims for 45 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.