Dr. Mervyn Weis, MD
- Part D claims, 2024
- 14
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 4640 N Marine Dr, Chicago, IL 60640-5719
- Practice phone
- Call (773) 769-4413
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mervin J. Weis & Bruce L. Ferguson MD, SC
Physician office · Chicago, Illinois
Find Dr. Weis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mervyn Weis is a gastroenterologist in Chicago, Illinois
Dr. Weis practices at Mervin J. Weis & Bruce L. Ferguson MD, SC in Chicago, Illinois.
Dr. Weis' NPI, 1043212954, was assigned on August 11, 2005.
- NPI
- 1043212954NPI Registry (opens in a new tab)
- NPI enumeration date
- August 11, 2005
- NPI status
- Active
- Practice phone
- (773) 769-4413
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mervyn Weis practices at Mervin J. Weis & Bruce L. Ferguson MD, SC in Chicago, Illinois
Dr. Weis' primary practice is Mervin J. Weis & Bruce L. Ferguson MD, SC, at 4640 N Marine Dr, Chicago, IL 60640-5719. The practice phone is (773) 769-4413.
- Mervin J. Weis & Bruce L. Ferguson MD, SC4640 N Marine Dr, Chicago, IL 60640-5719Phone(773) 769-4413
Source: Dmand AI Affiliation Data
Dr. Mervyn Weis is affiliated with 1 site of care
Dr. Weis' primary practice is Mervin J. Weis & Bruce L. Ferguson MD, SC in Chicago, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mervyn Weis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mervin J. Weis & Bruce L. Ferguson MD, SC | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mervyn Weis is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Weis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Weis has a license on file in Illinois.
Specialties and state licenses
- Gastroenterology, Illinois
Gastroenterologists near Dr. Weis
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. Mervyn Weis wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Weis wrote 14 Medicare Part D claims. 79% of them were for generic drugs.
Dr. Weis' Part D claims by kind of drug, 2024
- Generic11 claims79%
- Brand-name and other3 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Mervyn Weis'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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. Mervyn Weis
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. Mervyn Weis' NPI number?
Dr. Mervyn Weis' NPI number is 1043212954. It was assigned on August 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mervyn Weis?
Dr. Mervyn Weis is a gastroenterologist in Chicago, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mervyn Weis practice?
Dr. Weis practices at 4640 N Marine Dr, Chicago, IL 60640-5719. Dr. Weis' primary practice is Mervin J. Weis & Bruce L. Ferguson MD, SC in Chicago, Illinois.
What is Dr. Mervyn Weis' office phone number?
The practice phone on file for Dr. Weis is (773) 769-4413.
How long has Dr. Mervyn Weis been practicing?
Dr. Weis' NPI was assigned in 2005.
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