Daniel R. Mejia Leiva, MD
Internal Medicine Physician · Baltimore, MD
Daniel R. Mejia Leiva, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1720712490, issued on Jul 10, 2022. Check the license (Maryland D0103825, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Daniel R. Mejia Leiva
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D0103825 MD
14011 GA
Self-reported in NPPES; status is on the state search - Practice location
- 2401 W Belvedere Ave, Baltimore, MD 21215
- Phone
- (410) 601-9000
- Enumerated
- Jul 10, 2022
- Record last updated
- Jul 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20250729001498); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 2401 W Belvedere Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel R. Mejia Leiva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0103825Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
422 Medicare Part D claims for 130 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium20 claims
- Amlodipine Besylate19 claims
- Atorvastatin Calcium19 claims
- Eliquis16 claims
- Farxiga14 claims
- Metoprolol Succinate14 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
- Sinai Hospital OF Baltimore, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel R. Mejia Leiva among 3,904 internal medicine physician records in Maryland
Daniel R. Mejia Leiva, MD 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 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2003 among the 2,445 with a school on file
- Record last updated2025 · 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 →
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Common questions
What is Daniel R. Mejia Leiva, MD's NPI number?
Daniel R. Mejia Leiva, MD's National Provider Identifier (NPI) is 1720712490, issued on Jul 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Daniel R. Mejia Leiva, MD located?
The NPPES record lists a practice address at 2401 W Belvedere Ave, Baltimore, MD, 21215. Phone: (410) 601-9000. Providers update this record themselves, so call before visiting.
How can I verify Daniel R. Mejia Leiva, MD's license?
NPPES lists Maryland license number D0103825, 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.
How much does Daniel R. Mejia Leiva, MD prescribe under Medicare Part D?
In 2024, Daniel R. Mejia Leiva, MD had 422 Medicare Part D claims for 130 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.