Dayoung Ryu, M.D., M.P.H.
Hospitalist Physician · New Haven, CT
Dayoung Ryu, M.D., M.P.H. is a hospitalist physician with a practice address in New Haven, Connecticut, and NPI 1275162778, issued on Apr 6, 2020. Check the license (Connecticut 76724, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Dayoung Ryu
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 76724 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York Street, New Haven, CT 06510
- Phone
- (203) 688-1734
- Enumerated
- Apr 6, 2020
- Record last updated
- Jun 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20240711002835); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 400 in Connecticut → Look up another NPI →
Also registered at 20 York Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Aber, M.D.Student in an Organized Health Care Education/Training Program1548011455
- Sandra Abi Fadel, M.D.Diagnostic Radiology Physician1396308995
- Ahmad AbulabanStudent in an Organized Health Care Education/Training Program1306357546
- Zachary Adirim, M.D.Student in an Organized Health Care Education/Training Program1619669934
- Payal AgrawalStudent in an Organized Health Care Education/Training Program1982494860
- Santhosh AgumamidiStudent in an Organized Health Care Education/Training Program1558151449
Verify Dayoung Ryu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 76724Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $45.43
2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northeast Medical Group IncNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dayoung Ryu among 400 hospitalist physician records in Connecticut
Dayoung Ryu, M.D., M.P.H. is one of 400 hospitalist physician records with a practice address in Connecticut. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2019 · median 2011 among the 332 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
171 hospitalist physician records list a practice address in New Haven
They are 171 of the 9,793 NPPES records with a practice address in New Haven, and 400 hospitalist physician records in Connecticut.
All 400 in Connecticut → Every provider in New Haven → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Santhi Chinni, MDNew Haven, CT 065101780788182
- Shuta Ishibe, MDNew Haven, CT 065101932166659
- Peter Jenei, M.D.New Haven, CT 065101508952359
- Peter Jensen, M.D.New Haven, CT 065101861484917
- Anita Karne, MDNew Haven, CT 065101952400566
- Ajay Kota, M.D.New Haven, CT 065101942413646
- Anthony Manzon, M.D.New Haven, CT 065101770632796
- Karim Namek, M.D.New Haven, CT 065101598786428
Common questions
What is Dayoung Ryu, M.D., M.P.H.'s NPI number?
Dayoung Ryu, M.D., M.P.H.'s National Provider Identifier (NPI) is 1275162778, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Dayoung Ryu, M.D., M.P.H. located?
The NPPES record lists a practice address at 20 York Street, New Haven, CT, 06510. Phone: (203) 688-1734. Providers update this record themselves, so call before visiting.
How can I verify Dayoung Ryu, M.D., M.P.H.'s license?
NPPES lists Connecticut license number 76724, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.