Stephen P. Allen, M.D.
Medical Oncology Physician · Saint Louis, MO
Stephen P. Allen, M.D. is a medical oncology physician with a practice address in Saint Louis, Missouri, and NPI 1912999160, issued on Aug 15, 2005. Check the license (Missouri R1C00, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Stephen P. Allen
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- R1C00 MO
Self-reported in NPPES; status is on the state search - Practice location
- 10004 Kennerly RD, Saint Louis, MO 63128
- Phone
- (314) 842-7301
- Enumerated
- Aug 15, 2005
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (314) 842-7308
- Medicaid ID
- 201767902 MO
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 156 in Missouri → Look up another NPI →
Also registered at 10004 Kennerly RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Della Aridge, RN, MSN, NPFamily Nurse Practitioner1497837959
- Matthew CharlesPsychiatric/Mental Health Nurse Practitioner1770913089
- Venkat Chintapally-Rao, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1891844338
- Barry Cooper, MDAllergy & Immunology Physician1609876366
- Lauren Felton, AU.D.Audiologist1639402126
- Paul Garvin, MDTransplant Surgery Physician1407950017
Verify Stephen P. Allen 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 R1C00Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average medical oncology physician in 2024
22 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
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.
Stephen P. Allen among 156 medical oncology physician records in Missouri
Stephen P. Allen, M.D. is one of 156 medical oncology physician records with a practice address in Missouri. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 81% of these records are
- Record last updated2018 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Missouri
There are 156 medical oncology physician records in Missouri.
All 156 in Missouri → Every provider in Saint Louis → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Craig Hildreth, M.D.Saint Louis, MO 631281851393136
- William Moriconi, M.D.Saint Louis, MO 631281952379224
- Amy Cyr, MDSaint Louis, MO 631291528181997
- Charles Kaufman, MDSaint Louis, MO 631291003953613
- Bruce Roth, MDSaint Louis, MO 631291740496660
- Belal Firwana, M.D.Saint Louis, MO 631311639424211
- Dilan Patel, MDSaint Louis, MO 631361356757736
- Somasekhar Bandi, M.D.Saint Louis, MO 631411922034321
Common questions
What is Stephen P. Allen, M.D.'s NPI number?
Stephen P. Allen, M.D.'s National Provider Identifier (NPI) is 1912999160, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen P. Allen, M.D. located?
The NPPES record lists a practice address at 10004 Kennerly RD, Saint Louis, MO, 63128. Phone: (314) 842-7301. Providers update this record themselves, so call before visiting.
How can I verify Stephen P. Allen, M.D.'s license?
NPPES lists Missouri license number R1C00, 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 Stephen P. Allen, M.D. prescribe under Medicare Part D?
In 2024, Stephen P. Allen, M.D. had 22 Medicare Part D claims; the average among medical oncology physician prescribers was 703. 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.