Administration, OralAnti-Bacterial AgentsClostridioides difficile
Dr. Zain Kassam, MD, MPH
NPI1982011813
- Publications
- 89
- Clinical trials
- 1
- Industry payments
- $1,731
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 196 Boston Ave, Medford, MA 02155-4236
- Practice phone
- Call (857) 333-7375
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Kassam's 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. Zain Kassam is a gastroenterologist in Medford, Massachusetts
Dr. Kassam practices in Medford, Massachusetts.
Dr. Kassam's NPI, 1982011813, was assigned on July 11, 2014. Dr. Kassam holds ZZ license 88452.
NPI and contact details
- NPI
- 1982011813NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2014
- NPI status
- Active
- Practice phone
- (857) 333-7375
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Zain Kassam's practice address is in Medford, Massachusetts
Dr. Kassam's practice address in the NPI Registry is 196 Boston Ave, Medford, MA 02155-4236. The practice phone is (857) 333-7375.
- NPI Registry address196 Boston Ave, Medford, MA 02155-4236Phone(857) 333-7375
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Zain Kassam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kassam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Kassam's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Kassam practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Zain Kassam is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Kassam's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Kassam is licensed in ZZ.
Specialties and state licenses
- Gastroenterology, ZZPrimary
Gastroenterologists near Dr. Kassam
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
597gastroenterologists in Massachusetts
3gastroenterologists in Medford
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zain Kassam's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Kassam's median patient age at 69, with 22% women.
Dr. Kassam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women22%
- Men78%
Source: Dmand AI Patient Panel Data
Dr. Zain Kassam has 89 publications on record
Dmand AI links 89 papers to Dr. Kassam, published from 2012 to 2024. 2017 was the busiest year, with 12. The most frequent topics are Fecal Microbiota Transplantation, Clostridium Infections and Feces. Dr. Kassam has published most often in Dig Dis Sci. Dr. Kassam's most frequent co-authors are Monika Fischer, MD, Huiping Xu, MD and Matthew E. Bohm, MD.
Papers89
Years published2012 to 2024
Dr. Kassam's papers by year, 2014 to 2024
Topics Dr. Kassam writes about most
- Fecal Microbiota Transplantation
- Clostridium Infections
- Feces
- Gastrointestinal Microbiome
- Clostridioides difficile
- Donor Selection
- Anti-Bacterial Agents
- Enterocolitis, Pseudomembranous
Dr. Kassam's most frequent co-authors
Recent publications by Dr. Kassam
Abdom Radiol (NY)
Magnetic Resonance ImagingRadiologistsRectal Neoplasms
Clostridioides difficileClostridium InfectionsFecal Microbiota Transplantation
See who Dr. Kassam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kassam 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. Zain Kassam has worked on 1 clinical trial
Dmand AI links Dr. Kassam to 1 clinical trial.
Investigators on the most trials with Dr. Kassam
- Monika Fischer, MD1 shared trial
- Ann Debourcy Flynn, MD1 shared trial
- Ari M. Grinspan, MD1 shared trial
Recent clinical trials with Dr. Kassam
Fecal Microbiota Preparation
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Zain Kassam received $1,731 in industry payments from 2021 to 2025
CMS Open Payments shows 38 general payments to Dr. Kassam from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 98% of the total. Medtronic, Inc. paid the most, $1,008.
General payments to Dr. Kassam by program year, 2021 to 2025
General payments to Dr. Kassam by kind, 2021 to 2025
$1.7Kin total
- Food and beverage$1,69698%
- Education$352%
Companies that paid Dr. Kassam the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Zain Kassam'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Zain Kassam
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. Zain Kassam's NPI number?
Dr. Zain Kassam's NPI number is 1982011813. It was assigned on July 11, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Zain Kassam?
Dr. Zain Kassam is a gastroenterologist in Medford, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Zain Kassam practice?
Dr. Kassam practices at 196 Boston Ave, Medford, MA 02155-4236.
What is Dr. Zain Kassam's office phone number?
The practice phone on file for Dr. Kassam is (857) 333-7375.
What is Dr. Zain Kassam's medical license number?
Dr. Kassam holds ZZ license 88452.
Has Dr. Zain Kassam received payments from drug or device companies?
CMS Open Payments shows $1,731 in general payments to Dr. Kassam from 3 companies from 2021 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Zain Kassam been practicing?
Dr. Kassam's NPI was assigned in 2014.
Does Dr. Zain Kassam do research?
Dmand AI links 89 publications to Dr. Kassam, published from 2012 to 2024. Dr. Kassam has worked on 1 clinical trial.
Who does Dr. Zain Kassam publish with?
Dr. Kassam's most frequent co-authors are Monika Fischer, MD (25 shared papers), Huiping Xu, MD (6 shared papers) and Matthew E. Bohm, MD (5 shared papers).
Selling to gastroenterology practices?
See gastroenterologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card