Mark Richard Brown, FNP-C
- Hospital affiliations
- 3
- Industry payments
- $43
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 1000 Nut Tree Rd, Vacaville, CA 95687
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northbay Vacavalley Hospital - HOPD
Acute Care Hospital outpatient department · Vacaville, California
Find Mark Brown'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.
Mark Richard Brown is a family nurse practitioner in Vacaville, California
Mark Brown practices at Northbay Vacavalley Hospital - HOPD in Vacaville, California.
Mark Brown's NPI, 1346053048, was assigned on January 28, 2025. Mark Brown holds California license 95033749.
- NPI
- 1346053048NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901157502
- NPI enumeration date
- January 28, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Richard Brown practices at Northbay Vacavalley Hospital - HOPD in Vacaville, California
Mark Brown's primary practice is Northbay Vacavalley Hospital - HOPD, at 1000 Nut Tree Rd, Vacaville, CA 95687.
- Northbay Vacavalley Hospital - HOPD1000 Nut Tree Rd, Vacaville, CA 95687
Source: Dmand AI Affiliation Data
Mark Richard Brown is affiliated with 5 sites of care and 1 medical group
Mark Brown's primary practice is Northbay Vacavalley Hospital - HOPD in Vacaville, California. Mark Brown is also affiliated with NorthBay Medical Center. The medical group on file is NorthBay Health. Dmand AI also links Mark Brown to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Richard Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Brown practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northbay Vacavalley Hospital - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Richard Brown is one of 13,532 family nurse practitioners in California
Family is Mark Brown's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mark Brown is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Mark Brown
Counts of family nurse practitioners 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
Mark Richard Brown's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Mark Brown's median patient age at 62, with 45% women.
Mark Brown's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women45%
- Men54%
Source: Dmand AI Patient Panel Data
Mark Richard Brown offers telehealth to Medicare patients
Mark Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Brown as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Mark Richard Brown received $43 in industry payments in 2024
CMS Open Payments shows 2 general payments to Mark Brown from 2 drug and device companies in 2024. Food and beverage make up the largest share, 53% of the total. AstraZeneca Pharmaceuticals LP paid the most, $23.
General payments to Mark Brown by kind, 2024 to 2024
- Food and beverage$2353%
- Education$2047%
Companies that paid Mark Brown the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark Richard Brown'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Mark Richard Brown
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Richard Brown's NPI number?
Mark Richard Brown's NPI number is 1346053048. It was assigned on January 28, 2025, and it is active in the NPI Registry.
What does Mark Richard Brown specialize in?
Mark Richard Brown is a family nurse practitioner in Vacaville, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Mark Richard Brown practice?
Mark Brown practices at 1000 Nut Tree Rd, Vacaville, CA 95687. Mark Brown's primary practice is Northbay Vacavalley Hospital - HOPD in Vacaville, California. Dmand AI also links Mark Brown to 2 hospitals and 1 group practice or clinic.
What is Mark Richard Brown's medical license number?
Mark Brown holds California license 95033749.
Which hospitals is Mark Richard Brown affiliated with?
Mark Brown is affiliated with NorthBay Medical Center. Dmand AI links Mark Brown to 2 more hospitals.
What medical group is Mark Richard Brown part of?
Mark Brown is linked to NorthBay Health.
Does Mark Richard Brown accept Medicare?
Yes. CMS lists Mark Brown as accepting Medicare assignment.
Does Mark Richard Brown offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mark Brown as offering telehealth services.
Has Mark Richard Brown received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Mark Brown from 2 companies from 2024 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Mark Richard Brown been practicing?
Mark Brown graduated from medical school in 2024, 2 years ago.
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