Dr. Christopher Brian Ruser, MD
- Part D claims, 2024
- 71
- Publications
- 37
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 20 York St, New Haven, CT 06510
- Practice phone
- Call (717) 277-6565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Connecticut Health Care System - West Haven
New Haven, Connecticut
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Dr. Christopher Brian Ruser is an internist in New Haven, Connecticut
Dr. Ruser practices at VA Connecticut Health Care System - West Haven in New Haven, Connecticut.
Dr. Ruser's NPI, 1588772867, was assigned on August 28, 2006. Dr. Ruser holds Connecticut license 039639.
- NPI
- 1588772867NPI Registry (opens in a new tab)
- NPI enumeration date
- August 28, 2006
- NPI status
- Active
- Practice phone
- (717) 277-6565
- 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 Practice Data
Dr. Christopher Brian Ruser practices at VA Connecticut Health Care System - West Haven in New Haven, Connecticut
Dr. Ruser's primary practice is VA Connecticut Health Care System - West Haven, at 20 York St, New Haven, CT 06510 in South Central Ct County. The practice phone is (717) 277-6565.
- VA Connecticut Health Care System - West Haven20 York St, New Haven, CT 06510 · South Central Ct CountyPhone(717) 277-6565
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Brian Ruser is affiliated with 1 site of care
Dr. Ruser's primary practice is VA Connecticut Health Care System - West Haven in New Haven, Connecticut.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Christopher Brian Ruser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Connecticut Health Care System - West Haven | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Brian Ruser is one of 2,189 internists in Connecticut
Internal medicine is Dr. Ruser's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ruser is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Ruser
Counts of internists 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. Christopher Brian Ruser's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Ruser's median patient age at 80, with 3% women.
Dr. Ruser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women3%
- Men97%
Source: Dmand AI Patient Panel Data
Dr. Christopher Brian Ruser wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Ruser wrote 71 Medicare Part D claims for 11 patients. 93% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $240 in total drug cost. In 2019, CMS named 23 claims across 2 drugs.
Dr. Ruser's Part D claims by kind of drug, 2024
- Generic66 claims93%
- Brand-name and other5 claims7%
Dr. Ruser's most prescribed drugs by claims, 2021
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, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 232021: 23No change
Drugs named by CMS: 2 in 2021, 2 in 2019.
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. Christopher Brian Ruser has 37 publications on record
Dmand AI links 37 papers to Dr. Ruser, published from 2014 to 2025. 2020 was the busiest year, with 5. The most frequent topics are Veterans, Obesity and Primary Health Care. Dr. Ruser has published most often in Pain Med. Dr. Ruser's most frequent co-authors are Jeffrey David Kravetz, MD, Daniel Glenn Federman, MD and Juliette Fromm Spelman, MD.
Dr. Ruser's papers by year, 2016 to 2025
Topics Dr. Ruser writes about most
- Veterans
- Obesity
- Primary Health Care
- Veterans Health
- Overweight
- Weight Reduction Programs
- Binge-Eating Disorder
- Body Mass Index
Dr. Ruser's most frequent co-authors
- Jeffrey David Kravetz, MD6 shared papers
- Daniel Glenn Federman, MD5 shared papers
- Juliette Fromm Spelman, MD5 shared papers
Recent publications by Dr. Ruser
J Gen Intern Med
See who Dr. Ruser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruser works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Christopher Brian Ruser'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 Data |
| 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 |
| 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. Christopher Brian Ruser
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. Christopher Brian Ruser's NPI number?
Dr. Christopher Brian Ruser's NPI number is 1588772867. It was assigned on August 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Brian Ruser?
Dr. Christopher Brian Ruser is an internist in New Haven, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher Brian Ruser practice?
Dr. Ruser practices at 20 York St, New Haven, CT 06510. Dr. Ruser's primary practice is VA Connecticut Health Care System - West Haven in New Haven, Connecticut.
What is Dr. Christopher Brian Ruser's office phone number?
The practice phone on file for Dr. Ruser is (717) 277-6565.
What is Dr. Christopher Brian Ruser's medical license number?
Dr. Ruser holds Connecticut license 039639.
What drugs does Dr. Christopher Brian Ruser prescribe most?
In 2021 Medicare Part D data, Dr. Ruser's most prescribed drugs by claims were Atorvastatin Calcium and Omeprazole.
How long has Dr. Christopher Brian Ruser been practicing?
Dr. Ruser's NPI was assigned in 2006.
Does Dr. Christopher Brian Ruser do research?
Dmand AI links 37 publications to Dr. Ruser, published from 2014 to 2025.
Who does Dr. Christopher Brian Ruser publish with?
Dr. Ruser's most frequent co-authors are Jeffrey David Kravetz, MD (6 shared papers), Daniel Glenn Federman, MD (5 shared papers) and Juliette Fromm Spelman, MD (5 shared papers).
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