Dr. James Barrett II, MD
- Part D claims, 2016
- 601
- Publications
- 3
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3710 State Highway 45, Colusa, CA 95932-4021
- Practice phone
- Call (530) 458-5501
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Barrett'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. James Barrett II is a family medicine physician in Colusa, California
Dr. Barrett practices in Colusa, California.
Dr. Barrett's NPI, 1710902853, was assigned on July 12, 2006. Dr. Barrett holds California license G31956.
- NPI
- 1710902853NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Practice phone
- (530) 458-5501
- 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. James Barrett II's practice address is in Colusa, California
Dr. Barrett's practice address in the NPI Registry is 3710 State Highway 45, Colusa, CA 95932-4021. The practice phone is (530) 458-5501.
- NPI Registry address3710 State Highway 45, Colusa, CA 95932-4021Phone(530) 458-5501
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. James Barrett II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barrett practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Barrett's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Barrett II is one of 15,680 family medicine physicians in California
Family medicine is Dr. Barrett's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Barrett is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Barrett
Counts of family medicine physicians 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. James Barrett II's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Barrett's median patient age at 63, with 75% women.
Dr. Barrett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. James Barrett II wrote 601 Medicare Part D claims in 2016
In 2016, Dr. Barrett wrote 601 Medicare Part D claims. They cover 27 drugs, with $21,944 in total drug cost.
Dr. Barrett's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. James Barrett II has 3 publications on record
Dmand AI links 3 papers to Dr. Barrett, published from 2017 to 2018. Dr. Barrett's most frequent co-authors are Arpita Basu, MD, MPH, Timothy J. Lyons, MD and James R. Barrett, MD.
Dr. Barrett's most frequent co-authors
- Arpita Basu, MD, MPH2 shared papers
- Timothy J. Lyons, MD2 shared papers
- James R. Barrett, MD1 shared paper
Recent publications by Dr. Barrett
See who Dr. Barrett researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barrett works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. James Barrett II'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. James Barrett II
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. James Barrett II's NPI number?
Dr. James Barrett II's NPI number is 1710902853. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Barrett II?
Dr. James Barrett II is a family medicine physician in Colusa, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. James Barrett II practice?
Dr. Barrett practices at 3710 State Highway 45, Colusa, CA 95932-4021.
What is Dr. James Barrett II's office phone number?
The practice phone on file for Dr. Barrett is (530) 458-5501.
What is Dr. James Barrett II's medical license number?
Dr. Barrett holds California license G31956.
What drugs does Dr. James Barrett II prescribe most?
In 2016 Medicare Part D data, Dr. Barrett's most prescribed drugs by claims were Levothyroxine Sodium, Lisinopril and Losartan Potassium.
How long has Dr. James Barrett II been practicing?
Dr. Barrett's NPI was assigned in 2006.
Does Dr. James Barrett II do research?
Dmand AI links 3 publications to Dr. Barrett, published from 2017 to 2018.
Who does Dr. James Barrett II publish with?
Dr. Barrett's most frequent co-authors are Arpita Basu, MD, MPH (2 shared papers), Timothy J. Lyons, MD (2 shared papers) and James R. Barrett, MD (1 shared paper).
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