Daniel Y. Ryu, MD
Preventive Medicine/Occupational Environmental Medicine Physician · Cleveland, OH
Daniel Y. Ryu, MD is a preventive medicine/occupational environmental medicine physician with a practice address in Cleveland, Ohio, and NPI 1972593309, issued on Oct 26, 2005. Check the license (Ohio 35-067499, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Daniel Y. Ryu
- Credential
- MD
- Primary taxonomy
- Preventive Medicine/Occupational Environmental Medicine Physician 2083P0500X
- License number
- 35-067499 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2322 E 22ND St, Cleveland, OH 44115
- Phone
- (216) 363-2691
- Enumerated
- Oct 26, 2005
- Record last updated
- Jan 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (216) 694-4665
- Medicaid ID
- 2546187 OH
- Medicare enrollment
- Enrolled (PECOS I20050218000085); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest preventive medicine/occupational environmental medicine physician records → All 37 in Ohio → Look up another NPI →
Also registered at 2322 E 22ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc Abrams, M.D., PH.D.Specialist1598763393
- Mirella Auchus, PHDClinical Psychologist1275504656
- Richard Chmielewski, M.D.Infectious Disease Physician1174557615
- Jennifer Del Rio, R.D.Registered Dietitian1053724492
- Lily DerrickSocial Worker1801710181
- Donald Eghobamien, M.D.Internal Medicine Physician1497740260
Verify Daniel Y. Ryu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-067499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average preventive medicine/occupational environmental medicine physician in 2024
44 Medicare Part D claims, against an average of 626 among the 189 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone31 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.
Bills Medicare through one group practice
- Alliant Treatment CenterShaker Heights, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Y. Ryu among 37 preventive medicine/occupational environmental medicine physician records in Ohio
Daniel Y. Ryu, MD is one of 37 preventive medicine/occupational environmental medicine physician records with a practice address in Ohio. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Record last updated2008 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0500X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Preventive Medicine/Occupational Environmental Medicine Physician providers in Ohio
There are 37 preventive medicine/occupational environmental medicine physician records in Ohio.
All 37 in Ohio → Every provider in Cleveland → Preventive Medicine/Occupational Environmental Medicine Physician nationwide →
The 8 preventive medicine/occupational environmental medicine physician records with the nearest ZIP codes
- Patrick Bray, MDCleveland, OH 441151356331789
- Daniel Brustein, M.D.Cleveland Heights, OH 441181417920448
- Dean Erickson, M.D.University Hts, OH 441181962494724
- Kathleen Fagan, MDCleveland, OH 441061528005543
- Richard Ostendorf, M.D.Garfield Heights, OH 441251275525396
- Satish Mahna, M.D.Bedford Hts, OH 441461417053737
- Norbert Schutte, M.D.Mentor, OH 440601316045453
- Kevin Forsyth, M.D.Barberton, OH 442031770597460
Common questions
What is Daniel Y. Ryu, MD's NPI number?
Daniel Y. Ryu, MD's National Provider Identifier (NPI) is 1972593309, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Y. Ryu, MD located?
The NPPES record lists a practice address at 2322 E 22ND St, Cleveland, OH, 44115. Phone: (216) 363-2691. Providers update this record themselves, so call before visiting.
How can I verify Daniel Y. Ryu, MD's license?
NPPES lists Ohio license number 35-067499, 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 Daniel Y. Ryu, MD prescribe under Medicare Part D?
In 2024, Daniel Y. Ryu, MD had 44 Medicare Part D claims; the average among preventive medicine/occupational environmental medicine physician prescribers was 626. 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.