Jeffrey D. Hasday, M.D.
Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD
Jeffrey D. Hasday, M.D. is a critical care medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1720034580, issued on May 25, 2006. Check the license (Maryland D33785, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jeffrey D. Hasday
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- D33785 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-5793
- Enumerated
- May 25, 2006
- Record last updated
- Feb 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 328-0248
- Medicaid IDs
- 404631500 MD
136546700 DC
5851866 VA
1720034580 DE - Medicare enrollment
- Enrolled (PECOS I20080305000273); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1979
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 212 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Jeffrey D. Hasday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D33785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
141 Medicare Part D claims for 22 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Montelukast Sodium22 claims
- Breo Ellipta16 claims
- Mycophenolate Mofetil13 claims
- Anoro Ellipta12 claims
- Prednisone11 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
- University OF Maryland Physicians PAReisterstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey D. Hasday among 212 critical care medicine (internal medicine) physician records in Maryland
Jeffrey D. Hasday, M.D. is one of 212 critical care medicine (internal medicine) physician records with a practice address in Maryland. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 60% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1979 · median 2005 among the 168 with a school on file
- Record last updated2008 · 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 207RC0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Maryland
There are 212 critical care medicine (internal medicine) physician records in Maryland.
All 212 in Maryland → Every provider in Baltimore → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Marjan Bahador, MDBaltimore, MD 212011760605422
- Edward Britt, M.D.Baltimore, MD 212011912955469
- Renee Dixon, M.D.Baltimore, MD 212011174748743
- Jonathan Gottlieb, MDBaltimore, MD 212011821132119
- Nader Habashi, M.D.Baltimore, MD 212011164467957
- Emmanuel Kyereme-Tuah, M.D.Baltimore, MD 212011295748580
- Paul McCarthy, MDBaltimore, MD 212011275576134
- Richard Palladino, M.D.Baltimore, MD 212011023126455
Common questions
What is Jeffrey D. Hasday, M.D.'s NPI number?
Jeffrey D. Hasday, M.D.'s National Provider Identifier (NPI) is 1720034580, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey D. Hasday, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-5793. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey D. Hasday, M.D.'s license?
NPPES lists Maryland license number D33785, 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 Jeffrey D. Hasday, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey D. Hasday, M.D. had 141 Medicare Part D claims for 22 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.