Dr. Maria T. Rivera, MD
- Industry payments
- $193
- Affiliated sites
- 4
- Medical groups
- 5
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3111 W Rawson Ave, Franklin, WI 53132
- Practice phone
- Call (414) 761-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Associated Surgical and Medical Specialists
Franklin, Wisconsin
Find Dr. Rivera'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. Maria T. Rivera is a gastroenterologist in Franklin, Wisconsin
Dr. Rivera practices at Associated Surgical and Medical Specialists in Franklin, Wisconsin.
Dr. Rivera's NPI, 1417924192, was assigned on March 2, 2006. Dr. Rivera holds Wisconsin license 36361-020.
- NPI
- 1417924192NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658808696
- NPI enumeration date
- March 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 761-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria T. Rivera practices at Associated Surgical and Medical Specialists in Franklin, Wisconsin
Dr. Rivera's primary practice is Associated Surgical and Medical Specialists, at 3111 W Rawson Ave, Franklin, WI 53132 in Milwaukee County. The practice phone is (414) 761-2600.
- Associated Surgical and Medical Specialists3111 W Rawson Ave, Franklin, WI 53132 · Milwaukee CountyPhone(414) 761-2600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maria T. Rivera is affiliated with 5 sites of care and 5 medical groups
Dr. Rivera's primary practice is Associated Surgical and Medical Specialists in Franklin, Wisconsin. The medical group on file is GI Associates. Dmand AI also links Dr. Rivera to 4 more group practices and clinics and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Maria T. Rivera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Associated Surgical and Medical Specialists | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria T. Rivera is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Rivera's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rivera is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Rivera
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. Maria T. Rivera's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Rivera's median patient age at 15, with 56% women.
Dr. Rivera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
How Dr. Maria T. Rivera takes part in Medicare
Dr. Rivera accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria T. Rivera received $193 in industry payments from 2021 to 2024
CMS Open Payments shows 8 general payments to Dr. Rivera from 2 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Daiichi Sankyo Inc. paid the most, $163.
General payments to Dr. Rivera by program year, 2021 to 2024
Companies that paid Dr. Rivera the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Maria T. Rivera'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (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. Maria T. Rivera
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. Maria T. Rivera's NPI number?
Dr. Maria T. Rivera's NPI number is 1417924192. It was assigned on March 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria T. Rivera?
Dr. Maria T. Rivera is a gastroenterologist in Franklin, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Maria T. Rivera practice?
Dr. Rivera practices at 3111 W Rawson Ave, Franklin, WI 53132. Dr. Rivera's primary practice is Associated Surgical and Medical Specialists in Franklin, Wisconsin. Dmand AI also links Dr. Rivera to 4 group practices and clinics and 4 medical groups.
What is Dr. Maria T. Rivera's office phone number?
The practice phone on file for Dr. Rivera is (414) 761-2600.
What is Dr. Maria T. Rivera's medical license number?
Dr. Rivera holds Wisconsin license 36361-020.
What medical group is Dr. Maria T. Rivera part of?
Dr. Rivera is linked to GI Associates. Dmand AI links Dr. Rivera to 4 more medical groups.
Does Dr. Maria T. Rivera accept Medicare?
Yes. CMS lists Dr. Rivera as accepting Medicare assignment.
Has Dr. Maria T. Rivera received payments from drug or device companies?
CMS Open Payments shows $193 in general payments to Dr. Rivera from 2 companies from 2021 to 2024. The largest total came from Daiichi Sankyo Inc.
How long has Dr. Maria T. Rivera been practicing?
Dr. Rivera graduated from medical school in 1990, 36 years ago.
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