Michael Weldon Diana, MD, MBA
Emergency Medicine Physician · Baltimore, MD
Michael Weldon Diana, MD, MBA is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1780001883, issued on Mar 26, 2014. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Weldon Diana
- Credential
- MD, MBA
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A153684 CA
Self-reported in NPPES; status is on the state search - Practice location
- The Johns Hopkins Hospital Department OF, Baltimore, MD 21287
- Phone
- (410) 955-5107
- Enumerated
- Mar 26, 2014
- Record last updated
- Jun 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Verify Michael Weldon Diana in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 emergency medicine physician in 2024
16 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Michael Weldon Diana among 1,190 emergency medicine physician records in Maryland
Michael Weldon Diana, MD, MBA is one of 1,190 emergency 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 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
505 emergency medicine physician records list a practice address in Baltimore
They are 505 of the 35,183 NPPES records with a practice address in Baltimore, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Baltimore → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jamil Bayram, M.D.Baltimore, MD 212871174599310
- Arjun Chanmugam, M.D.Baltimore, MD 212871003865106
- Robin Cuddy, M.D.Baltimore, MD 212871861432965
- Gary Green, M.D.Baltimore, MD 212871245295872
- Peter Hill, M.D.Baltimore, MD 212871336199835
- Edbert Hsu, M.D.Baltimore, MD 212871699728097
- Julianna Jung, M.D.Baltimore, MD 212871871534404
- Gabor Kelen, M.D.Baltimore, MD 212871134166366
Common questions
What is Michael Weldon Diana, MD, MBA's NPI number?
Michael Weldon Diana, MD, MBA's National Provider Identifier (NPI) is 1780001883, issued on Mar 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Michael Weldon Diana, MD, MBA located?
The NPPES record lists a practice address at The Johns Hopkins Hospital Department OF, Baltimore, MD, 21287. Phone: (410) 955-5107. Providers update this record themselves, so call before visiting.
How can I verify Michael Weldon Diana, MD, MBA's license?
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 Michael Weldon Diana, MD, MBA prescribe under Medicare Part D?
In 2024, Michael Weldon Diana, MD, MBA had 16 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.