Gregory John Prendergast
Emergency Medicine Physician · Baltimore, MD
Gregory John Prendergast is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1881156719, issued on Apr 1, 2019. Check the license (Maryland D0094757, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gregory John Prendergast
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D0094757 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2401 W Belvedere Ave, Baltimore, MD 21215
- Phone
- (410) 601-9000
- Enumerated
- Apr 1, 2019
- Record last updated
- May 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20230522000081); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 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.
- Marcel Abouassaly, M.D.Student in an Organized Health Care Education/Training Program1992171722
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- Monika Acharya, M.D.Psychiatry Physician1336406636
- David Adebayo, PA-CPhysician Assistant1487989323
- Monisola Adedeji, NPAcute Care Nurse Practitioner1598686156
- Samuel Adler, M.D.Psychiatry Physician1174586135
Verify Gregory John Prendergast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0094757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average emergency medicine physician in 2024
280 Medicare Part D claims for 191 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 19 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass34 claims
- Ibuprofen33 claims
- Cefdinir22 claims
- Prednisone19 claims
- Oxycodone Hcl16 claims
- Doxycycline Monohydrate14 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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncKensington, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory John Prendergast among 1,190 emergency medicine physician records in Maryland
Gregory John Prendergast 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 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2019 · median 2010 among the 571 with a school on file
- Record last updated2023 · 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
- Mahajabin Ali, M.D.Baltimore, MD 212151114077484
- Dov Frankel, MDBaltimore, MD 212151669400057
- Broderick Franklin, M.D.Baltimore, MD 212151124196506
- Wendy Franklin Jackson, M.D.Baltimore, MD 212151073537999
- Chad Hansen, M.D.Baltimore, MD 212151437219268
- William Jaquis, M.D.Baltimore, MD 212151992755243
- Steven Joffe, M.D.Baltimore, MD 212151487795076
- Tariq Khan, MDBaltimore, MD 212151750391298
Common questions
What is Gregory John Prendergast's NPI number?
Gregory John Prendergast's National Provider Identifier (NPI) is 1881156719, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gregory John Prendergast 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 Gregory John Prendergast's license?
NPPES lists Maryland license number D0094757, 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 Gregory John Prendergast prescribe under Medicare Part D?
In 2024, Gregory John Prendergast had 280 Medicare Part D claims for 191 beneficiaries; 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.