Gastrointest Endosc
Gastrointestinal HemorrhageLeiomyomaLeiomyosarcoma
Dr. Atenodoro R. Ruiz Jr., MD
NPI1154408003
- Publications
- 2
- Industry payments
- $4,805
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051-5173
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ruiz'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. Atenodoro R. Ruiz Jr. is a gastroenterologist in Santa Clara, California
Dr. Ruiz practices in Santa Clara, California.
Dr. Ruiz's NPI, 1154408003, was assigned on October 31, 2006. Dr. Ruiz graduated from University of the Philippines College of Medicine in 1992. Dr. Ruiz holds California license A89383.
NPI and contact details
- NPI
- 1154408003NPI Registry (opens in a new tab)
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Atenodoro R. Ruiz Jr.'s practice address is in Santa Clara, California
Dr. Ruiz's practice address in the NPI Registry is 710 Lawrence Expy, Santa Clara, CA 95051-5173. The practice phone is (408) 851-1000.
- NPI Registry address710 Lawrence Expy, Santa Clara, CA 95051-5173Phone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Atenodoro R. Ruiz Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruiz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Ruiz's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Atenodoro R. Ruiz Jr. is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Ruiz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ruiz is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Ruiz is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Ruiz
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. Atenodoro R. Ruiz Jr. has 2 publications on record
Dmand AI links 2 papers to Dr. Ruiz. Dr. Ruiz's most frequent co-author is Aziza Nassar, MD.
Papers2
Dr. Ruiz's most frequent co-authors
Recent publications by Dr. Ruiz
See who Dr. Ruiz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruiz 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. Atenodoro R. Ruiz Jr. received $4,805 in industry payments from 2016 to 2022
CMS Open Payments shows 12 general payments to Dr. Ruiz from 1 drug or device company from 2016 to 2022. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $4,805.
General payments to Dr. Ruiz by program year, 2016 to 2022
Companies that paid Dr. Ruiz the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Atenodoro R. Ruiz Jr. graduated from University of the Philippines College of Medicine
Dr. Ruiz graduated from University of the Philippines College of Medicine in 1992.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Sources for Dr. Atenodoro R. Ruiz Jr.'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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Atenodoro R. Ruiz Jr.
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. Atenodoro R. Ruiz Jr.'s NPI number?
Dr. Atenodoro R. Ruiz Jr.'s NPI number is 1154408003. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Atenodoro R. Ruiz Jr.?
Dr. Atenodoro R. Ruiz Jr. is a gastroenterologist in Santa Clara, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Atenodoro R. Ruiz Jr. practice?
Dr. Ruiz practices at 710 Lawrence Expy, Santa Clara, CA 95051-5173.
What is Dr. Atenodoro R. Ruiz Jr.'s office phone number?
The practice phone on file for Dr. Ruiz is (408) 851-1000.
What is Dr. Atenodoro R. Ruiz Jr.'s medical license number?
Dr. Ruiz holds California license A89383.
Is Dr. Atenodoro R. Ruiz Jr. board certified?
Yes. Dr. Ruiz is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. Atenodoro R. Ruiz Jr. go to medical school?
Dr. Ruiz graduated from University of the Philippines College of Medicine in 1992.
Has Dr. Atenodoro R. Ruiz Jr. received payments from drug or device companies?
CMS Open Payments shows $4,805 in general payments to Dr. Ruiz from 1 company from 2016 to 2022. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Atenodoro R. Ruiz Jr. been practicing?
Dr. Ruiz graduated from medical school in 1992, 34 years ago.
Does Dr. Atenodoro R. Ruiz Jr. do research?
Dmand AI links 2 publications to Dr. Ruiz.
Who does Dr. Atenodoro R. Ruiz Jr. publish with?
Dr. Ruiz's most frequent co-authors are Aziza Nassar, MD (1 shared paper).
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