Dr. Daphne Sarah Horowitz, MD
- Industry payments
- $4,163
- Affiliated sites
- 2
- Medical group
- 1
- Insurance carriers
- 8
- State licenses
- 2
- Practice address
- 27420 Tourney Road, Suite 160, Valencia, CA 91355
- Practice phone
- Call (661) 259-3937
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tourney Plaza Surgical Center
Surgery Center - Medicare-Certified · Valencia, California
Find Dr. Horowitz'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. Daphne Sarah Horowitz is a pediatrician in Valencia, California
Dr. Horowitz practices at Tourney Plaza Surgical Center in Valencia, California.
Dr. Horowitz's NPI, 1841357183, was assigned on January 3, 2007. Dr. Horowitz graduated from Tel Aviv University Sackler in 1991. Dr. Horowitz holds California license A51632.
- NPI
- 1841357183NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2007
- NPI status
- Active
- Practice phone
- (661) 259-3937
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Daphne Sarah Horowitz practices at Tourney Plaza Surgical Center in Valencia, California
Dr. Horowitz's primary practice is Tourney Plaza Surgical Center, at 27420 Tourney Road, Suite 160, Valencia, CA 91355. The practice phone is (661) 259-3937.
- Tourney Plaza Surgical Center27420 Tourney Road, Suite 160, Valencia, CA 91355Phone(661) 259-3937
Source: Dmand AI Affiliation Data
Dr. Daphne Sarah Horowitz is affiliated with 2 sites of care and 1 medical group
Dr. Horowitz's primary practice is Tourney Plaza Surgical Center in Valencia, California. Dmand AI also links Dr. Horowitz to 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Daphne Sarah Horowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horowitz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tourney Plaza Surgical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daphne Sarah Horowitz is one of 8,236 pediatricians in California
Pediatrics is Dr. Horowitz's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Horowitz is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Horowitz's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- Oregon license
Pediatricians near Dr. Horowitz
Counts of pediatricians 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. Daphne Sarah Horowitz's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Horowitz's median patient age at 11, with 57% women.
Dr. Horowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Daphne Sarah Horowitz received $4,163 in industry payments from 2016 to 2025
CMS Open Payments shows 106 general payments to Dr. Horowitz from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $484.
General payments to Dr. Horowitz by program year, 2016 to 2025
Companies that paid Dr. Horowitz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daphne Sarah Horowitz graduated from Tel Aviv University Sackler
Dr. Horowitz graduated from Tel Aviv University Sackler in 1991.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Daphne Sarah Horowitz accepts plans from 8 insurance carriers
Dr. Horowitz is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
Plan types Dr. Horowitz accepts, by number of carriers
- PPO6
- Medicare5
- POS4
- HMO3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Daphne Sarah Horowitz'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Daphne Sarah Horowitz
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. Daphne Sarah Horowitz's NPI number?
Dr. Daphne Sarah Horowitz's NPI number is 1841357183. It was assigned on January 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Daphne Sarah Horowitz?
Dr. Daphne Sarah Horowitz is a pediatrician in Valencia, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Daphne Sarah Horowitz practice?
Dr. Horowitz practices at 27420 Tourney Road, Suite 160, Valencia, CA 91355. Dr. Horowitz's primary practice is Tourney Plaza Surgical Center in Valencia, California. Dmand AI also links Dr. Horowitz to 1 group practice or clinic and 1 medical group.
What is Dr. Daphne Sarah Horowitz's office phone number?
The practice phone on file for Dr. Horowitz is (661) 259-3937.
What is Dr. Daphne Sarah Horowitz's medical license number?
Dr. Horowitz holds California license A51632, one of the licenses on file in 2 states.
Which states has Dr. Daphne Sarah Horowitz been licensed in?
Dmand AI has state licenses on file for Dr. Horowitz in California (1993 to 2026) and Oregon (since 2005).
Is Dr. Daphne Sarah Horowitz board certified?
Yes. Dr. Horowitz is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Daphne Sarah Horowitz go to medical school?
Dr. Horowitz graduated from Tel Aviv University Sackler in 1991.
Has Dr. Daphne Sarah Horowitz received payments from drug or device companies?
CMS Open Payments shows $4,163 in general payments to Dr. Horowitz from 25 companies from 2016 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Daphne Sarah Horowitz been practicing?
Dr. Horowitz graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Daphne Sarah Horowitz accept?
Dr. Horowitz is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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