Dennis E. Hallahan, MD
Radiation Oncology Physician · Saint Louis, MO
Dennis E. Hallahan, MD is a radiation oncology physician with a practice address in Saint Louis, Missouri, and NPI 1699867010, issued on Sep 30, 2006. Check the license (Missouri 2009038834, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Dennis E. Hallahan
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 2009038834 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 747-7236
- Enumerated
- Sep 30, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-8099
- Medicaid ID
- 204528400 MO
- Entity
- Type 1 · individual
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammed Abbasi, MDPulmonary Disease Physician1497097083
- Helen Adams, AGNPGerontology Nurse Practitioner1730836776
- Muyibat Adelani, MDAdult Reconstructive Orthopaedic Surgery Physician1396908042
- Foluso Ademuyiwa, MDMedical Oncology Physician1083875538
- Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
- Homaa Ahmad, MDCardiovascular Disease Physician1477635092
Verify Dennis E. Hallahan 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 2009038834Check 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).
Radiation Oncology Physician providers in Missouri
There are 136 radiation oncology physician records in Missouri.
Other radiation oncology physician records in Missouri
- Amy Abdalla, MDSaint Louis, MO1932959954
- Ibrahim Abdalla, M.D.Springfield, MO1437154630
- Mohamed Abdelhakiem, MDColumbia, MO1073017216
- Michael Albritton, MDSpringfield, MO1548264971
- James Allen, MDJefferson City, MO1659369858
- Anthony Apicelli, MDSaint Louis, MO1457589681
- Shahed Badiyan, MDSaint Louis, MO1285967141
- Kathy Baglan, M.D.Saint Louis, MO1538122163
- Morgan Barrett, M.D., MPHWest Plains, MO1154397891
- Joseph Bean, M.D.Hannibal, MO1881682177
Common questions
What is Dennis E. Hallahan, MD's NPI number?
Dennis E. Hallahan, MD's National Provider Identifier (NPI) is 1699867010, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis E. Hallahan, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 747-7236. Providers update this record themselves, so call before visiting.
How can I verify Dennis E. Hallahan, MD's license?
NPPES lists Missouri license number 2009038834, 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 Dennis E. Hallahan, 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.