Alvin K. Schergen, MD
Hematology & Oncology Physician · Saint Louis, MO
Alvin K. Schergen, MD is a hematology & oncology physician with a practice address in Saint Louis, Missouri, and NPI 1306828074, issued on Nov 17, 2005. Check the license (Missouri R8B76, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Alvin K. Schergen
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- R8B76 MO
Self-reported in NPPES; status is on the state search - Practice location
- 6400 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 645-3370
- Enumerated
- Nov 17, 2005
- Record last updated
- Dec 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (314) 645-0576
- Medicaid ID
- 201617214 MO
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 237 in Missouri → Look up another NPI →
Also registered at 6400 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward Heidbrier, MD PCGeriatric Medicine (Internal Medicine) Physician1154373124
Verify Alvin K. Schergen 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 R8B76Check 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 hematology & oncology physician in 2024
27 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Alvin K. Schergen among 237 hematology & oncology physician records in Missouri
Alvin K. Schergen, MD is one of 237 hematology & oncology physician records with a practice address in Missouri. 86% 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, 89% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2008 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Missouri
There are 237 hematology & oncology physician records in Missouri.
All 237 in Missouri → Every provider in Saint Louis → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- James Glauber, MDSt Louis, MO 631171609889831
- Stephen Janney, MDSt Louis, MO 631171265446074
- Sandeep Sen, M.D.Saint Louis, MO 631171467492454
- Jyotsana Sinha, M.D.Saint Louis, MO 631171316259799
- Nada Al Masalmeh, M.D.Saint Louis, MO 631101083147359
- Bader Alahmari, MBBSSt Louis, MO 631101538564620
- John Beeler, MD, PHDSaint Louis, MO 631101649841602
- Arun Cumpelik, MDSaint Louis, MO 631101689297087
Common questions
What is Alvin K. Schergen, MD's NPI number?
Alvin K. Schergen, MD's National Provider Identifier (NPI) is 1306828074, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alvin K. Schergen, MD located?
The NPPES record lists a practice address at 6400 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 645-3370. Providers update this record themselves, so call before visiting.
How can I verify Alvin K. Schergen, MD's license?
NPPES lists Missouri license number R8B76, 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 Alvin K. Schergen, MD prescribe under Medicare Part D?
In 2024, Alvin K. Schergen, MD had 27 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.