Daniel Reuben Walker, M.D.
Blood Banking & Transfusion Medicine Physician · Columbia, MO
Daniel Reuben Walker, M.D. is a blood banking & transfusion medicine physician with a practice address in Columbia, Missouri, and NPI 1891824272, issued on Mar 3, 2007. Check the license (Missouri 2020023675, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Daniel Reuben Walker
- Credential
- M.D.
- Primary taxonomy
- Blood Banking & Transfusion Medicine Physician 207ZB0001X
- License numbers
- 2020023675 MO
M-8200 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Dr, Columbia, MO 65212
- Phone
- (573) 882-1201
- Enumerated
- Mar 3, 2007
- Record last updated
- Jun 6, 2024
- Fax
- (573) 884-4612
- Medicare enrollment
- Enrolled (PECOS I20200812000955); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest blood banking & transfusion medicine physician records → All 14 in Missouri → Look up another NPI →
Also registered at 1 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Reuben Walker 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 2020023675Check 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): 100 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
- The Curators OF The University OF MissouriColumbia, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Reuben Walker among 14 blood banking & transfusion medicine physician records in Missouri
Daniel Reuben Walker, M.D. is one of 14 blood banking & transfusion medicine physician records with a practice address in Missouri. 71% 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 36% of them.
- NPI issued2007 · 36% of these records are older, 36% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Record last updated2024 · 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 207ZB0001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Blood Banking & Transfusion Medicine Physician providers in Missouri
There are 14 blood banking & transfusion medicine physician records in Missouri.
All 14 in Missouri → Every provider in Columbia → Blood Banking & Transfusion Medicine Physician nationwide →
The 8 blood banking & transfusion medicine physician records with the nearest ZIP codes
- Jay Menitove, M.D.Kansas City, MO 641111447466420
- Lejla Music-Aplenc, MDKansas City, MO 641081548337520
- Rhonda Cooke, MDSt Louis, MO 631311295939858
- George Despotis, MDSaint Louis, MO 631101497771612
- Charles Eby, MDSaint Louis, MO 631101457377764
- Lisandro FortunySaint Louis, MO 631101104479203
- Brenda Grossman, MDSaint Louis, MO 631101811908478
- Anna Halldorsdottir, M.D.Saint Louis, MO 631101679786149
Common questions
What is Daniel Reuben Walker, M.D.'s NPI number?
Daniel Reuben Walker, M.D.'s National Provider Identifier (NPI) is 1891824272, issued on Mar 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Reuben Walker, M.D. located?
The NPPES record lists a practice address at 1 Hospital Dr, Columbia, MO, 65212. Phone: (573) 882-1201. Providers update this record themselves, so call before visiting.
How can I verify Daniel Reuben Walker, M.D.'s license?
NPPES lists Missouri license number 2020023675, 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 Daniel Reuben Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.