Rex A. Parker, MD
Diagnostic Radiology Physician · Baltimore, MD
Rex A. Parker, MD is a diagnostic radiology physician with a practice address in Baltimore, Maryland, and NPI 1790902872, issued on Apr 19, 2007. Check the license (Maryland D0105968, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Rex A. Parker
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- D0105968 MD
1027219 MA
2011003942 MO
2023004921 MO
39575 NH
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 955-5000
- Enumerated
- Apr 19, 2007
- Record last updated
- Jun 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20221004003605); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2006
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 877 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rex A. Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0105968Check 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 MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kansas University Physicians IncOverland Park, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rex A. Parker among 877 diagnostic radiology physician records in Maryland
Rex A. Parker, MD is one of 877 diagnostic radiology physician records with a practice address in Maryland. 72% 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 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2006 · median 2003 among the 604 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
493 diagnostic radiology physician records list a practice address in Baltimore
They are 493 of the 35,183 NPPES records with a practice address in Baltimore, and 877 diagnostic radiology physician records in Maryland.
All 877 in Maryland → Every provider in Baltimore → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Maha Barazanji, M.D.Baltimore, MD 212871730144387
- Frank Bengel, M.D.Baltimore, MD 212871497710438
- Bruce Berlanstein, M.D.Baltimore, MD 212871962499277
- Karen Bleich, M.D.Baltimore, MD 212871780640466
- Cecilia Brennecke, M.D.Baltimore, MD 212871043282411
- Jamshid Danaie, M.D.Baltimore, MD 212871003888488
- Neal Halsey, M.D.Baltimore, MD 212871215986427
- Dima Hammoud, M.D.Baltimore, MD 212871962451096
Common questions
What is Rex A. Parker, MD's NPI number?
Rex A. Parker, MD's National Provider Identifier (NPI) is 1790902872, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rex A. Parker, MD located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.
How can I verify Rex A. Parker, MD's license?
NPPES lists Maryland license number D0105968, 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 Rex A. Parker, MD's MIPS final score?
The 2023 MIPS final score is 91.9 of 100. 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.