Jonathan Sidney Thierman, M.D.
Emergency Medicine Physician · Randallstown, MD
Jonathan Sidney Thierman, M.D. is an emergency medicine physician with a practice address in Randallstown, Maryland, and NPI 1508076639, issued on May 24, 2007. Check the license (Maryland D0071045, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jonathan Sidney Thierman
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D0071045 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5401 Old Court RD, Randallstown, MD 21133
- Phone
- (410) 521-5950
- Enumerated
- May 24, 2007
- Record last updated
- Aug 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101029000410); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 5401 Old Court RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet AdeolaInternal Medicine Physician1942908801
- Nkemdilim AdimorahFamily Nurse Practitioner1841941242
- Sofia Ahmadi, PA-CPhysician Assistant1467812917
- Rebecca Aiken, CRNPAcute Care Nurse Practitioner1548562861
- Prosperlyn AliehChild & Adolescent Psychiatric/Mental Health Registered Nurse1780314971
- Rana Alqusairi, MDHospitalist Physician1306306469
Verify Jonathan Sidney Thierman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0071045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 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
- Mnr Industries, LLCEssex, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Sidney Thierman among 1,190 emergency medicine physician records in Maryland
Jonathan Sidney Thierman, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2007 · median 2010 among the 571 with a school on file
- Record last updated2014 · 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).
10 emergency medicine physician records list a practice address in Randallstown
They are 10 of the 557 NPPES records with a practice address in Randallstown, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Randallstown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Paula Appiah, MDRandallstown, MD 211331770805715
- Michael De Wit, M.D.Randallstown, MD 211331568577070
- Clifford FaberRandallstown, MD 211331952403073
- Debra Freeman, M.D.Randallstown, MD 211331114969284
- Laura Harlan, D.ORandallstown, MD 211331972552859
- Aminat IbikunleRandallstown, MD 211331447756325
- Erica Joseph, M.D.Randallstown, MD 211331780730242
- Thomas Krisanda, MDRandallstown, MD 211331770648370
Common questions
What is Jonathan Sidney Thierman, M.D.'s NPI number?
Jonathan Sidney Thierman, M.D.'s National Provider Identifier (NPI) is 1508076639, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Sidney Thierman, M.D. located?
The NPPES record lists a practice address at 5401 Old Court RD, Randallstown, MD, 21133. Phone: (410) 521-5950. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Sidney Thierman, M.D.'s license?
NPPES lists Maryland license number D0071045, 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.
What is Jonathan Sidney Thierman, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.6 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.