Proc Natl Acad Sci U S A
Dr. James Estes, MD
- Publications
- 32
- Industry payments
- $115
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 888 S Hill Rd, Ventura, CA 93003-8400
- Practice phone
- Call (805) 477-6464
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ventura Medical Management
Multi-specialty group site · Ventura, California
Find Dr. Estes' 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 Estes is an internist in California
Dr. Estes practices at Ventura Medical Management in Ventura, California.
Dr. Estes' NPI, 1336176098, was assigned on June 27, 2006. Dr. Estes holds California license A32500.
- NPI
- 1336176098NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Practice phone
- (805) 477-6464
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Estes practices at Ventura Medical Management in Ventura, California
Dr. Estes' primary practice is Ventura Medical Management, at 888 S Hill Rd, Ventura, CA 93003-8400. The practice phone is (805) 477-6464.
- Ventura Medical Management888 S Hill Rd, Ventura, CA 93003-8400Phone(805) 477-6464
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Estes is affiliated with 1 site of care and 1 medical group
Dr. Estes' primary practice is Ventura Medical Management in Ventura, California. Dmand AI also links Dr. Estes to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. James Estes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Estes practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ventura Medical Management | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Estes is one of 16,751 internists in California
Internal medicine is Dr. Estes' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Estes is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Estes
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. James Estes' patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Estes' median patient age at 75, with 100% women.
Dr. Estes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. James Estes has 32 publications on record
Dmand AI links 32 papers to Dr. Estes, published from 2010 to 2025. 2012 was the busiest year, with 3. The most frequent topics are Ecosystem, Food Chain and Otters. Dr. Estes has published most often in Science.
Dr. Estes' papers by year, 2012 to 2025
Topics Dr. Estes writes about most
- Ecosystem
- Food Chain
- Otters
- Ecology
- Kelp
- Population Dynamics
- Predatory Behavior
- Alaska
Recent publications by Dr. Estes
Ecology
See who Dr. Estes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Estes works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Estes received $115 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Estes from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Argenx US, Inc. paid the most, $115.
Companies that paid Dr. Estes the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. James Estes'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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. James Estes
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 Estes' NPI number?
Dr. James Estes' NPI number is 1336176098. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Estes?
Dr. James Estes is an internist in California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James Estes practice?
Dr. Estes practices at 888 S Hill Rd, Ventura, CA 93003-8400. Dr. Estes' primary practice is Ventura Medical Management in Ventura, California. Dmand AI also links Dr. Estes to 1 medical group.
What is Dr. James Estes' office phone number?
The practice phone on file for Dr. Estes is (805) 477-6464.
What is Dr. James Estes' medical license number?
Dr. Estes holds California license A32500.
Has Dr. James Estes received payments from drug or device companies?
CMS Open Payments shows $115 in general payments to Dr. Estes from 1 company from 2025 to 2025. The largest total came from Argenx US, Inc.
How long has Dr. James Estes been practicing?
Dr. Estes' NPI was assigned in 2006.
Does Dr. James Estes do research?
Dmand AI links 32 publications to Dr. Estes, published from 2010 to 2025.
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