Dr. James Estes, MD

  • CA
  • Internist
NPI1336176098
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
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Mobile number
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Social profiles

Primary practice

Ventura Medical Management

Multi-specialty group site · Ventura, California

See all 2 affiliations

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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 and contact details
NPI enumeration date
June 27, 2006
NPI status
Active
Practice phone
(805) 477-6464
Professional email
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Personal email
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Mobile number
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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 Management
    888 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.

Ventura Medical ManagementMulti-specialty group site · Ventura, CaliforniaPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Estes

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.

EHR by site
SiteEHR vendor and product
Ventura Medical ManagementAvailable with a free account
+1 medical groupAvailable 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, CaliforniaPrimaryLicense A32500 · taxonomy 207R00000X

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.

Papers32
Years published2010 to 2025

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

See all 32 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Estes

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. James Estes's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Selling to internal medicine practices?

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