Peter James Fredericks, MD
Emergency Medicine Physician · Baltimore, MD
Peter James Fredericks, MD is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1871025791, issued on Mar 30, 2017. Check the license (Maryland D89642, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Peter James Fredericks
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D89642 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1830 E Monument St, Baltimore, MD 21287
- Phone
- (410) 955-3380
- Enumerated
- Mar 30, 2017
- Record last updated
- Apr 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200617001716); may accept Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2017
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 1830 E Monument St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tracy Agee, ADULT NPNurse Practitioner1881657567
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- Alanood Alqahtani, M.DInternal Medicine Physician1174810022
- Brian Baker, M.D.Emergency Medicine Physician1902942808
- Rebecca Becker, PA-CPhysician Assistant1447894803
Verify Peter James Fredericks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D89642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
11 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter James Fredericks among 1,190 emergency medicine physician records in Maryland
Peter James Fredericks, MD 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 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2017 · median 2010 among the 571 with a school on file
- Record last updated2021 · 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 Peter James Fredericks, MD's NPI number?
Peter James Fredericks, MD's National Provider Identifier (NPI) is 1871025791, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Peter James Fredericks, MD located?
The NPPES record lists a practice address at 1830 E Monument St, Baltimore, MD, 21287. Phone: (410) 955-3380. Providers update this record themselves, so call before visiting.
How can I verify Peter James Fredericks, MD's license?
NPPES lists Maryland license number D89642, 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 Peter James Fredericks, MD prescribe under Medicare Part D?
In 2024, Peter James Fredericks, MD had 11 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Peter James Fredericks, MD's MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.