Robert Gordon Swanson, M.D.
Radiation Oncology Physician · St Louis, MO
Robert Gordon Swanson, M.D. is a radiation oncology physician with a practice address in St Louis, Missouri, and NPI 1114969144, issued on Jun 12, 2006. Check the license (Missouri 101788, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Robert Gordon Swanson
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 101788 MO
251157 NY
21117 OK
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton RD., St Louis, MO 63117
- Phone
- (314) 768-8267
- Enumerated
- Jun 12, 2006
- Record last updated
- Feb 20, 2025
- Medicaid IDs
- 03076684 NY
100003180B OK - Medicare enrollment
- Enrolled (PECOS I20100511000789); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 136 in Missouri → Look up another NPI →
Also registered at 6420 Clayton RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anjali Satish, MDStudent in an Organized Health Care Education/Training Program1942139316
Verify Robert Gordon Swanson 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 101788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average radiation oncology physician in 2024
44 Medicare Part D claims for 24 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Oxycodone Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $158.06
8 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pcrmc Medical Group IncRolla, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Gordon Swanson among 136 radiation oncology physician records in Missouri
Robert Gordon Swanson, M.D. is one of 136 radiation oncology physician records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1991 · median 2004 among the 96 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Missouri
There are 136 radiation oncology physician records in Missouri.
All 136 in Missouri → Every provider in St Louis → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Amy Abdalla, MDSaint Louis, MO 631101932959954
- Kevin Chen, MDSaint Louis, MO 631101639812357
- Alden D'Souza, MDSaint Louis, MO 631101912683186
- Poonam DalwadiSaint Louis, MO 631101235831603
- Lemoyne Habimana-Griffin, MD, PHDSaint Louis, MO 631101376169193
- Shannon Jiang, MDSt Louis, MO 631101891470365
- Varintra Lander, MD, PHDSaint Louis, MO 631101619710027
- Tyler Raclin, MDSaint Louis, MO 631101508625674
Common questions
What is Robert Gordon Swanson, M.D.'s NPI number?
Robert Gordon Swanson, M.D.'s National Provider Identifier (NPI) is 1114969144, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Gordon Swanson, M.D. located?
The NPPES record lists a practice address at 6420 Clayton RD., St Louis, MO, 63117. Phone: (314) 768-8267. Providers update this record themselves, so call before visiting.
How can I verify Robert Gordon Swanson, M.D.'s license?
NPPES lists Missouri license number 101788, 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.
How much does Robert Gordon Swanson, M.D. prescribe under Medicare Part D?
In 2024, Robert Gordon Swanson, M.D. had 44 Medicare Part D claims for 24 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.