William Brinson Orr, MD
Pediatric Cardiology Physician · Saint Louis, MO
William Brinson Orr, MD is a pediatric cardiology physician with a practice address in Saint Louis, Missouri, and NPI 1699115006, issued on Jun 28, 2013. Check the license (Missouri 2016009346, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Brinson Orr
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- 2016009346 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 454-6095
- Enumerated
- Jun 28, 2013
- Record last updated
- Feb 9, 2026
- Fax
- (314) 884-6008
- Medicaid ID
- 200062140 MO
- Medicare enrollment
- Enrolled (PECOS I20190709000504); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 123 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelbaki, MDPediatric Hematology & Oncology Physician1508021361
- Christi Abeln, PNPPediatric Nurse Practitioner1023034253
- Loren Abernathy, PNPPediatric Nurse Practitioner1215583117
- Freddy-May Abisamra, CGCGenetic Counselor (M.S.)1306538111
- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify William Brinson Orr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2016009346Check 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): 79.3 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
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Brinson Orr among 123 pediatric cardiology physician records in Missouri
William Brinson Orr, MD is one of 123 pediatric cardiology physician records with a practice address in Missouri. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 57% of them.
- NPI issued2013 · 57% of these records are older, 35% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2013 · median 2009 among the 60 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Missouri
There are 123 pediatric cardiology physician records in Missouri.
All 123 in Missouri → Every provider in Saint Louis → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- David Balzer, MDSaint Louis, MO 631101134147572
- Priya Bhat, MDSaint Louis, MO 631101659428522
- Charles Canter, MDSaint Louis, MO 631101063453504
- Mayte Figueroa, MDSaint Louis, MO 631101609986199
- Andrew Glatz, MDSaint Louis, MO 631101053496463
- Ronald Grady, MDSaint Louis, MO 631101821036716
- Patrick Jay, MDSaint Louis, MO 631101447241336
- Mark Johnson, MDSaint Louis, MO 631101497796957
Common questions
What is William Brinson Orr, MD's NPI number?
William Brinson Orr, MD's National Provider Identifier (NPI) is 1699115006, issued on Jun 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Brinson Orr, MD located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 454-6095. Providers update this record themselves, so call before visiting.
How can I verify William Brinson Orr, MD's license?
NPPES lists Missouri license number 2016009346, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William Brinson Orr, MD's MIPS final score?
The 2023 MIPS final score is 79.3 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.