Dr. John Francisco Diaz, MD
- Part D claims, 2024
- 25
- Industry payments
- $18,498
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 16742 Stagg St, Ste 120, Vannuys, CA 91406
- Practice phone
- Call (818) 779-0496
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Primex Clinical Laboratories
Clinical Lab - Full Service · Vannuys, California
Find Dr. Diaz'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. John Francisco Diaz is a plastic surgeon in Vannuys, California
Dr. Diaz practices at Primex Clinical Laboratories in Vannuys, California.
Dr. Diaz's NPI, 1295815090, was assigned on October 16, 2006. Dr. Diaz holds California license A91692.
- NPI
- 1295815090NPI Registry (opens in a new tab)
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Practice phone
- (818) 779-0496
- 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. John Francisco Diaz practices at Primex Clinical Laboratories in Vannuys, California
Dr. Diaz's primary practice is Primex Clinical Laboratories, at 16742 Stagg St, Ste 120, Vannuys, CA 91406. The practice phone is (818) 779-0496.
- Primex Clinical Laboratories16742 Stagg St, Ste 120, Vannuys, CA 91406Phone(818) 779-0496
Source: Dmand AI Affiliation Data
Dr. John Francisco Diaz is affiliated with 2 sites of care
Dr. Diaz's primary practice is Primex Clinical Laboratories in Vannuys, California. Dmand AI also links Dr. Diaz to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Francisco Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Primex Clinical Laboratories | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Francisco Diaz is one of 778 plastic surgeons in California
Plastic surgery is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Diaz is licensed in California.
Specialties and state licenses
- Plastic surgery, CaliforniaPrimary
Plastic surgeons near Dr. Diaz
Counts of plastic surgeons 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. John Francisco Diaz's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 38, with 87% women.
Dr. Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women87%
- Men13%
Source: Dmand AI Patient Panel Data
Dr. John Francisco Diaz wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 25 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Francisco Diaz received $18,498 in industry payments from 2016 to 2025
CMS Open Payments shows 119 general payments to Dr. Diaz from 13 drug and device companies from 2016 to 2025. Gifts make up the largest share, 79% of the total. Allergan Inc. paid the most, $16,463.
General payments to Dr. Diaz by program year, 2016 to 2025
General payments to Dr. Diaz by kind, 2016 to 2025
- Gifts$14,65479%
- Food and beverage$3,67820%
- Speaker and faculty fees$1661%
Companies that paid Dr. Diaz 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. John Francisco Diaz'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 Dr. John Francisco Diaz
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. John Francisco Diaz's NPI number?
Dr. John Francisco Diaz's NPI number is 1295815090. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Francisco Diaz?
Dr. John Francisco Diaz is a plastic surgeon in Vannuys, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. John Francisco Diaz practice?
Dr. Diaz practices at 16742 Stagg St, Ste 120, Vannuys, CA 91406. Dr. Diaz's primary practice is Primex Clinical Laboratories in Vannuys, California. Dmand AI also links Dr. Diaz to 1 physician office.
What is Dr. John Francisco Diaz's office phone number?
The practice phone on file for Dr. Diaz is (818) 779-0496.
What is Dr. John Francisco Diaz's medical license number?
Dr. Diaz holds California license A91692.
Has Dr. John Francisco Diaz received payments from drug or device companies?
CMS Open Payments shows $18,498 in general payments to Dr. Diaz from 13 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. John Francisco Diaz been practicing?
Dr. Diaz's NPI was assigned in 2006.
Selling to plastic surgery practices?
See plastic surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card