Jonathan Radin Ronquillo, M.D.
Internal Medicine Physician · Baltimore, MD
Jonathan Radin Ronquillo, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1790099968, issued on Jul 30, 2010. Check the license (Maryland P24066, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jonathan Radin Ronquillo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P24066 MD
Self-reported in NPPES; status is on the state search - Practice location
- 900 Caton Ave, Baltimore, MD 21229
- Phone
- (410) 368-6000
- Enumerated
- Jul 30, 2010
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120829000805); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 900 Caton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan Radin Ronquillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license P24066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Radin Ronquillo among 3,904 internal medicine physician records in Maryland
Jonathan Radin Ronquillo, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2003 among the 2,445 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bhavandeep Bajaj, M.D.Baltimore, MD 212291003011214
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- Deepak Baskaran, M.D.Baltimore, MD 212291730135278
- Diana Feng, M.D.Baltimore, MD 212291841251998
- Charles Graham, M.D.Baltimore, MD 212291720077290
- Robin Li, MDBaltimore, MD 212291699762237
- Yelena Lipnik, MDBaltimore, MD 212291487694899
- Jeffrey Lotlikar, M.D.Baltimore, MD 212291558323204
Common questions
What is Jonathan Radin Ronquillo, M.D.'s NPI number?
Jonathan Radin Ronquillo, M.D.'s National Provider Identifier (NPI) is 1790099968, issued on Jul 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Radin Ronquillo, M.D. located?
The NPPES record lists a practice address at 900 Caton Ave, Baltimore, MD, 21229. Phone: (410) 368-6000. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Radin Ronquillo, M.D.'s license?
NPPES lists Maryland license number P24066, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. 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.