James V. Piephoff, M.D.
Radiation Oncology Physician · Alton, IL
James V. Piephoff, M.D. is a radiation oncology physician with a practice address in Alton, Illinois, and NPI 1225144827, issued on Aug 23, 2006. Check the license (Illinois 036.101504, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James V. Piephoff
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 036.101504 IL
036101504 IL
R6N58 MO
Self-reported in NPPES; status is on the state search - Practice location
- 915 E 5TH St, Alton, IL 62002
- Phone
- (618) 463-5624
- Enumerated
- Aug 23, 2006
- Record last updated
- Jan 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (618) 463-5620
- Medicare enrollment
- Enrolled (PECOS I20080929000186); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Also registered at 915 E 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Anderson, DPTPhysical Therapist1124566930
- Carol Babcock, OTR-LOccupational Therapist1205144227
- Cheryl Broneck, PH.DClinical Psychologist1992812697
- Susan Curfman, MA, C.C.C.Speech-Language Pathologist1013222074
- Jenna Falk, M.S. CCC-SLPSpeech-Language Pathologist1437697661
- Linda Haar, PTPhysical Therapist1093063653
Verify James V. Piephoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.101504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average radiation oncology physician in 2024
129 Medicare Part D claims for 42 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 17 claims were for opioids.
Most prescribed
- Tamsulosin Hcl40 claims
- Levothyroxine Sodium32 claims
- Memantine Hcl11 claims
- Oxycodone-Acetaminophen11 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.
Bills Medicare through one group practice
- Osf Multi-Specialty GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James V. Piephoff among 277 radiation oncology physician records in Illinois
James V. Piephoff, M.D. is one of 277 radiation oncology physician records with a practice address in Illinois. 78% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · median 2004 among the 184 with a school on file
- Record last updated2014 · 49% 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 Illinois 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 Illinois
There are 277 radiation oncology physician records in Illinois.
All 277 in Illinois → Every provider in Alton → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Saleem Mahmood, MDLitchfield, IL 620561679677678
- Seong Cho, MDMattoon, IL 619381811082886
- Oscar Norton, MDDanville, IL 618321285606590
- Jaidev Soni, MDDanville, IL 618321811978752
- Steven Damore, M.D.Champaign, IL 618201285645804
- Daniel Barnett, M.D.Urbana, IL 618011972891257
- Nader Darwish, MDUrbana, IL 618011528680139
- Ronald Sapiente, MDUrbana, IL 618011972602688
Common questions
What is James V. Piephoff, M.D.'s NPI number?
James V. Piephoff, M.D.'s National Provider Identifier (NPI) is 1225144827, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James V. Piephoff, M.D. located?
The NPPES record lists a practice address at 915 E 5TH St, Alton, IL, 62002. Phone: (618) 463-5624. Providers update this record themselves, so call before visiting.
How can I verify James V. Piephoff, M.D.'s license?
NPPES lists Illinois license number 036.101504, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James V. Piephoff, M.D. prescribe under Medicare Part D?
In 2024, James V. Piephoff, M.D. had 129 Medicare Part D claims for 42 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.