CatharticsColonoscopyPolyethylene Glycols
Dr. Manfred Werner Raiser, MD
NPI1306958665
- Medicare services, 2022
- 1,824
- Part D claims, 2024
- 43
- Publications
- 4
- Clinical trials
- 1
- Industry payments
- $418
- Practice address
- 3825 Highland Ave, Downers Grove, IL 60515
- Practice phone
- Call (630) 969-1167
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Services
Primary care practice · Downers Grove, Illinois
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Dr. Manfred Werner Raiser is a gastroenterologist in Downers Grove, Illinois
Dr. Raiser practices at Gastroenterology Services in Downers Grove, Illinois.
Dr. Raiser's NPI, 1306958665, was assigned on August 31, 2006. Dr. Raiser holds Illinois license 036-048816.
NPI and contact details
- NPI
- 1306958665NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (630) 969-1167
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 83
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Manfred Werner Raiser practices at Gastroenterology Services in Downers Grove, Illinois
Dr. Raiser's primary practice is Gastroenterology Services, at 3825 Highland Ave, Downers Grove, IL 60515. The practice phone is (630) 969-1167.
- Gastroenterology Services3825 Highland Ave, Downers Grove, IL 60515Phone(630) 969-1167
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Manfred Werner Raiser is affiliated with 1 site of care and 1 medical group
Dr. Raiser's primary practice is Gastroenterology Services in Downers Grove, Illinois. The medical group on file is Gastroenterology Services, Ltd.
Gastroenterology ServicesPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Manfred Werner Raiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Raiser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Services | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Manfred Werner Raiser is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Raiser's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Raiser is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Raiser
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Manfred Werner Raiser billed Medicare for 1,824 services in 2022
CMS data shows 1,824 Medicare services from Dr. Raiser across 20 procedure codes in 2022. Medicare paid $108,263 for them.
Medicare services, 20221,824
Paid by Medicare$108,263
Procedure codes20
Dr. Raiser's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Drugs given in the office
- 2021: 4382022: 4341%
- Tests and treatments
- 2021: 3642022: 3475%
- Office and hospital visits
- 2021: 4192022: 31325%
- Lab and pathology
- 2021: 3892022: 31020%
- Surgery
- 2021: 3652022: 28322%
- Other services
- 2021: 1472022: 1377%
Where Dr. Raiser's Medicare services took place, 2022
- In an office1,80799%
- In a facility171%
Dr. Raiser compared with the Illinois median for gastroenterologists, 2022
- Dr. Raiser
- Illinois median
- Medicare services
- 1,824vs 4983.7 times
- Part D claims
- 25vs 37093% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Raiser's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Manfred Werner Raiser's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Raiser's median patient age at 72, with 67% women.
Dr. Raiser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Manfred Werner Raiser wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Raiser wrote 43 Medicare Part D claims for 20 patients. 98% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $514 in total drug cost. In 2023, CMS named 276 claims across 6 drugs.
Part D claims, 202443
Drugs named by CMS2
Total drug cost$514
Part D patients20
Dr. Raiser's Part D claims by kind of drug, 2024
- Generic42 claims98%
- Brand-name and other1 claims2%
Dr. Raiser's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2762024: 2591%
Drugs named by CMS: 2 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Manfred Werner Raiser has 4 publications on record
Dmand AI links 4 papers to Dr. Raiser, published from 2012 to 2023. The most frequent topics are Cathartics, Colonoscopy and Polyethylene Glycols. Dr. Raiser has published most often in Clin Transl Gastroenterol.
Papers4
Years published2012 to 2023
Dr. Raiser's papers by year, 2012 to 2023
Topics Dr. Raiser writes about most
- Cathartics
- Colonoscopy
- Polyethylene Glycols
Recent publications by Dr. Raiser
J Clin Gastroenterol
CatharticsColonoscopyElectrolytes
See who Dr. Raiser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Raiser works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Manfred Werner Raiser has worked on 1 clinical trial
Dmand AI links Dr. Raiser to 1 clinical trial.
Recent clinical trials with Dr. Raiser
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Manfred Werner Raiser received $418 in industry payments from 2016 to 2022
CMS Open Payments shows 15 general payments to Dr. Raiser from 9 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $131.
General payments to Dr. Raiser by program year, 2016 to 2022
Companies that paid Dr. Raiser the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Manfred Werner Raiser's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Manfred Werner Raiser
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Manfred Werner Raiser's NPI number?
Dr. Manfred Werner Raiser's NPI number is 1306958665. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Manfred Werner Raiser?
Dr. Manfred Werner Raiser is a gastroenterologist in Downers Grove, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Manfred Werner Raiser practice?
Dr. Raiser practices at 3825 Highland Ave, Downers Grove, IL 60515. Dr. Raiser's primary practice is Gastroenterology Services in Downers Grove, Illinois.
What is Dr. Manfred Werner Raiser's office phone number?
The practice phone on file for Dr. Raiser is (630) 969-1167.
What is Dr. Manfred Werner Raiser's medical license number?
Dr. Raiser holds Illinois license 036-048816.
What medical group is Dr. Manfred Werner Raiser part of?
Dr. Raiser is linked to Gastroenterology Services, Ltd.
Does Dr. Manfred Werner Raiser accept Medicare?
Yes. CMS data shows Dr. Raiser billed Medicare for 1,824 services in 2022.
What services does Dr. Manfred Werner Raiser bill to Medicare?
In 2022, Dr. Raiser's most billed Medicare services were office visit, established patient (99214), lab and pathology test (82272) and injected or infused drug (J2250).
What drugs does Dr. Manfred Werner Raiser prescribe most?
In 2024 Medicare Part D data, Dr. Raiser's most prescribed drugs by claims were Omeprazole and Famotidine.
Has Dr. Manfred Werner Raiser received payments from drug or device companies?
CMS Open Payments shows $418 in general payments to Dr. Raiser from 9 companies from 2016 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Manfred Werner Raiser been practicing?
Dr. Raiser graduated from medical school in 1969, 57 years ago.
Does Dr. Manfred Werner Raiser do research?
Dmand AI links 4 publications to Dr. Raiser, published from 2012 to 2023. Dr. Raiser has worked on 1 clinical trial.
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