Manfred Werner Raiser, M.D.
Gastroenterology Physician · Downers Grove, IL
Manfred Werner Raiser, M.D. is a gastroenterology physician with a practice address in Downers Grove, Illinois, and NPI 1306958665, issued on Aug 31, 2006. Check the license (Illinois 036-048816, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Manfred Werner Raiser
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036-048816 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3825 Highland Ave, Downers Grove, IL 60515
- Phone
- (630) 969-1167
- Enumerated
- Aug 31, 2006
- Record last updated
- Apr 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (630) 969-1297
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 3825 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Medha Amin, MDObstetrics Physician1912197534
- Teresita Avila, M.D.Specialist1386649317
- Lara Bakhos, M.D.Cardiovascular Disease Physician1730336652
- Jennifer Balash, M.D.Obstetrics & Gynecology Physician1487881025
- Shamita Bansore, MDObstetrics & Gynecology Physician1700813771
Verify Manfred Werner Raiser 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 036-048816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average gastroenterology physician in 2024
43 Medicare Part D claims for 20 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole14 claims
- Famotidine11 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.
Manfred Werner Raiser among 887 gastroenterology physician records in Illinois
Manfred Werner Raiser, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2008 · 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 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Downers Grove → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Anshuman Chawla, M.D.Downers Grove, IL 605151841276417
- James Clark, M.D.Downers Grove, IL 605151588640650
- David Gerard, M.D.Downers Grove, IL 605151942312210
- John Holden, MDDowners Grove, IL 605151356341846
- Rockford Yapp, M.D., M.P.H.Downers Grove, IL 605151356327910
- Laura Hamad, DOWoodridge, IL 605171699186890
- Carl CalandraHinsdale, IL 605211366527418
- Suman Kaur, MDHinsdale, IL 605211184624678
Common questions
What is Manfred Werner Raiser, M.D.'s NPI number?
Manfred Werner Raiser, M.D.'s National Provider Identifier (NPI) is 1306958665, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Manfred Werner Raiser, M.D. located?
The NPPES record lists a practice address at 3825 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 969-1167. Providers update this record themselves, so call before visiting.
How can I verify Manfred Werner Raiser, M.D.'s license?
NPPES lists Illinois license number 036-048816, 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 Manfred Werner Raiser, M.D. prescribe under Medicare Part D?
In 2024, Manfred Werner Raiser, M.D. had 43 Medicare Part D claims for 20 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.