Seth Williams, MD
Psychiatry Physician · Cleveland, OH
Seth Williams, MD is a psychiatry physician with a practice address in Cleveland, Ohio, and NPI 1164006995, issued on May 7, 2021. Check the license (Ohio 35.148349, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Seth Williams
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 35.148349 OH
Self-reported in NPPES; status is on the state search - Practice location
- Cleveland Clinic 9500 Euclid Avenue/na-23, Cleveland, OH 44195
- Phone
- (216) 444-2200
- Enumerated
- May 7, 2021
- Record last updated
- Jun 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250723004280); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,587 in Ohio → Look up another NPI →
Also registered at Cleveland Clinic 9500 Euclid Avenue/na-23
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Seth Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.148349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average psychiatry physician in 2024
364 Medicare Part D claims for 30 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Venlafaxine Hcl Er38 claims
- Trazodone Hcl33 claims
- Divalproex Sodium Er31 claims
- Fluoxetine Hcl28 claims
- Hydroxyzine Hcl21 claims
- Escitalopram Oxalate20 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.
One hospital affiliation
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Seth Williams among 1,587 psychiatry physician records in Ohio
Seth Williams, MD 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 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2021 · median 2003 among the 775 with a school on file
- Record last updated2025 · 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 Cleveland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Joseph Austerman, D. O.Cleveland, OH 441951003906223
- Gregory Collins, M.D.Cleveland, OH 441951851357115
- Roman Dale, MDCleveland, OH 441951306950803
- Kathleen Franco, M.D.Cleveland, OH 441951598723264
- Lillian Gonsalves-Ebrahim, M.D.Cleveland, OH 441951851358188
- Karen Jacobs, DOCleveland, OH 441951427147818
- Elias Khawam, MDCleveland, OH 441951033202148
- Donald Malone, MDCleveland, OH 441951417914367
Common questions
What is Seth Williams, MD's NPI number?
Seth Williams, MD's National Provider Identifier (NPI) is 1164006995, issued on May 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Seth Williams, MD located?
The NPPES record lists a practice address at Cleveland Clinic 9500 Euclid Avenue/na-23, Cleveland, OH, 44195. Phone: (216) 444-2200. Providers update this record themselves, so call before visiting.
How can I verify Seth Williams, MD's license?
NPPES lists Ohio license number 35.148349, 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 Seth Williams, MD prescribe under Medicare Part D?
In 2024, Seth Williams, MD had 364 Medicare Part D claims for 30 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.