Mark A. De Los Santos, FNP-C
- Part D claims, 2024
- 3,331
- Industry payments
- $1,272
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 115 Mall Dr, Hanford, CA 93230
- Practice phone
- Call (559) 582-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Hanford
Hanford, California
Find Mark De Los Santos' 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 A. De Los Santos is a family nurse practitioner in Hanford, California
Mark De Los Santos practices at Adventist Health Hanford in Hanford, California.
Mark De Los Santos' NPI, 1063901742, was assigned on May 8, 2018. Mark De Los Santos holds California license 95007685.
- NPI
- 1063901742NPI Registry (opens in a new tab)
- NPI enumeration date
- May 8, 2018
- NPI status
- Active
- Practice phone
- (559) 582-9000
- 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 Practice Data
Mark A. De Los Santos practices at Adventist Health Hanford in Hanford, California
Mark De Los Santos' primary practice is Adventist Health Hanford, at 115 Mall Dr, Hanford, CA 93230 in Kings County. The practice phone is (559) 582-9000.
- Adventist Health Hanford115 Mall Dr, Hanford, CA 93230 · Kings CountyPhone(559) 582-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark A. De Los Santos is affiliated with 2 sites of care and 1 medical group
Mark De Los Santos' primary practice is Adventist Health Hanford in Hanford, California. The medical group on file is Cardiovascular Consultants Heart Center. Dmand AI also links Mark De Los Santos to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark A. De Los Santos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark De Los Santos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Hanford | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark A. De Los Santos is one of 13,532 family nurse practitioners in California
Family is Mark De Los Santos' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mark De Los Santos is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Mark De Los Santos
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 A. De Los Santos' patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Mark De Los Santos' median patient age at 69, with 38% women.
Mark De Los Santos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women38%
- Men62%
Source: Dmand AI Patient Panel Data
Mark A. De Los Santos wrote 3,331 Medicare Part D claims in 2024
In 2024, Mark De Los Santos wrote 3,331 Medicare Part D claims for 986 patients. 84% of them were for generic drugs. CMS names the drug for 3,118 of them, across 44 drugs with 11 or more claims each, at $547,993 in total drug cost.
Mark De Los Santos' Part D claims by kind of drug, 2024
- Generic2,807 claims84%
- Brand-name524 claims16%
Mark De Los Santos' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Mark A. De Los Santos received $1,272 in industry payments from 2024 to 2025
CMS Open Payments shows 63 general payments to Mark De Los Santos from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $890.
General payments to Mark De Los Santos by program year, 2024 to 2025
Companies that paid Mark De Los Santos the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark A. De Los Santos'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (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 A. De Los Santos
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 A. De Los Santos' NPI number?
Mark A. De Los Santos' NPI number is 1063901742. It was assigned on May 8, 2018, and it is active in the NPI Registry.
What does Mark A. De Los Santos specialize in?
Mark A. De Los Santos is a family nurse practitioner in Hanford, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Mark A. De Los Santos practice?
Mark De Los Santos practices at 115 Mall Dr, Hanford, CA 93230. Mark De Los Santos' primary practice is Adventist Health Hanford in Hanford, California. Dmand AI also links Mark De Los Santos to 1 group practice or clinic.
What is Mark A. De Los Santos' office phone number?
The practice phone on file for Mark De Los Santos is (559) 582-9000.
What is Mark A. De Los Santos' medical license number?
Mark De Los Santos holds California license 95007685.
What medical group is Mark A. De Los Santos part of?
Mark De Los Santos is linked to Cardiovascular Consultants Heart Center.
What drugs does Mark A. De Los Santos prescribe most?
In 2024 Medicare Part D data, Mark De Los Santos' most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Amlodipine Besylate.
Has Mark A. De Los Santos received payments from drug or device companies?
CMS Open Payments shows $1,272 in general payments to Mark De Los Santos from 6 companies from 2024 to 2025. The largest total came from Amgen Inc.
How long has Mark A. De Los Santos been practicing?
Mark De Los Santos' NPI was assigned in 2018.
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