Dr. Mark F. Barrett, MD
- Industry payments
- $1,979
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 138 W Main St, Ventura, CA 93001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cmh Centers for Family Health-Main Street - Primary Care - HOPD
Acute Care Hospital outpatient department · Ventura, California
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. Mark F. Barrett is a hospitalist in Ventura, California
Dr. Barrett practices at Cmh Centers for Family Health-Main Street - Primary Care - HOPD in Ventura, California.
Dr. Barrett's NPI, 1538136692, was assigned on March 7, 2006. Dr. Barrett holds California license A74404.
- NPI
- 1538136692NPI Registry (opens in a new tab)
- NPI enumeration date
- March 7, 2006
- NPI status
- Active
- 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 Affiliation Data
Dr. Mark F. Barrett practices at Cmh Centers for Family Health-Main Street - Primary Care - HOPD in Ventura, California
Dr. Barrett's primary practice is Cmh Centers for Family Health-Main Street - Primary Care - HOPD, at 138 W Main St, Ventura, CA 93001.
- Cmh Centers for Family Health-Main Street - Primary Care - HOPD138 W Main St, Ventura, CA 93001
Source: Dmand AI Affiliation Data
Dr. Mark F. Barrett is affiliated with 2 sites of care and 1 medical group
Dr. Barrett's primary practice is Cmh Centers for Family Health-Main Street - Primary Care - HOPD in Ventura, California. The medical group on file is Community Memorial Healthcare. Dmand AI also links Dr. Barrett to 1 more group practice or clinic, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark F. Barrett's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barrett practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cmh Centers for Family Health-Main Street - Primary Care - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark F. Barrett is one of 3,186 hospitalists in California
Hospitalist is Dr. Barrett's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Barrett is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Barrett
Counts of hospitalists 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. Mark F. Barrett's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Barrett's median patient age at 9, with 51% 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 9
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Mark F. Barrett received $1,979 in industry payments from 2016 to 2025
CMS Open Payments shows 109 general payments to Dr. Barrett from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $580.
General payments to Dr. Barrett by program year, 2016 to 2025
Companies that paid Dr. Barrett the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark F. Barrett'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Mark F. Barrett
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. Mark F. Barrett's NPI number?
Dr. Mark F. Barrett's NPI number is 1538136692. It was assigned on March 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark F. Barrett?
Dr. Mark F. Barrett is a hospitalist in Ventura, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Mark F. Barrett practice?
Dr. Barrett practices at 138 W Main St, Ventura, CA 93001. Dr. Barrett's primary practice is Cmh Centers for Family Health-Main Street - Primary Care - HOPD in Ventura, California. Dmand AI also links Dr. Barrett to 1 group practice or clinic.
What is Dr. Mark F. Barrett's medical license number?
Dr. Barrett holds California license A74404.
What medical group is Dr. Mark F. Barrett part of?
Dr. Barrett is linked to Community Memorial Healthcare.
Has Dr. Mark F. Barrett received payments from drug or device companies?
CMS Open Payments shows $1,979 in general payments to Dr. Barrett from 22 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Mark F. Barrett been practicing?
Dr. Barrett's NPI was assigned in 2006.
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