David Horowitz
- Part D claims, 2024
- 93
- Industry payments
- $925
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 23550 Hawthorne Blvd Ste 200 Suite 200, Torrance, CA 90505-4722
- Practice phone
- Call (310) 373-2636
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Coast Dermatology Medical Associates
Dermatology practice · Torrance, California
Find David 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.
David Horowitz is a dermatologist in Philadelphia, Pennsylvania
David Horowitz practices at Coast Dermatology Medical Associates in Torrance, California.
David Horowitz's NPI, 1285675538, was assigned on June 9, 2006. David Horowitz holds California license 20A4092.
- NPI
- 1285675538NPI Registry (opens in a new tab)
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Practice phone
- (310) 373-2636
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David Horowitz practices in Torrance and Philadelphia
David Horowitz's primary practice is Coast Dermatology Medical Associates, at 23550 Hawthorne Blvd Ste 200 Suite 200, Torrance, CA 90505-4722. The practice phone is (310) 373-2636. The NPI Registry lists David Horowitz's practice address as 51 N 39th St, Philadelphia, PA 19104.
- Coast Dermatology Medical AssociatesPrimary23550 Hawthorne Blvd Ste 200 Suite 200, Torrance, CA 90505-4722Phone(310) 373-2636
- NPI Registry address51 N 39th St, Philadelphia, PA 19104 · Philadelphia CountyPhone(310) 373-2636
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
David Horowitz is affiliated with 1 site of care and 1 medical group
David Horowitz's primary practice is Coast Dermatology Medical Associates in Torrance, California. Dmand AI also links David Horowitz to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at David Horowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Horowitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coast Dermatology Medical Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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David Horowitz is one of 606 dermatologists in Pennsylvania
Dermatology is David Horowitz's primary specialty in the NPI Registry, under taxonomy code 207N00000X. David Horowitz is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near David Horowitz
Counts of dermatologists 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
David Horowitz's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts David Horowitz's median patient age at 73, with 50% women.
David 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 73
Patient panel by sex, all payers
- Women50%
- Men43%
Source: Dmand AI Patient Panel Data
David Horowitz wrote 93 Medicare Part D claims in 2024
In 2024, David Horowitz wrote 93 Medicare Part D claims. 85% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $332 in total drug cost. In 2018, CMS named 33 claims across 3 drugs.
David Horowitz's Part D claims by kind of drug, 2024
- Generic79 claims85%
- Brand-name14 claims15%
David Horowitz's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2023
- 2018
- 2023
- Claims for drugs CMS names
- 2018: 332023: 1264%
Drugs named by CMS: 1 in 2023, 3 in 2018.
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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David Horowitz received $925 in industry payments from 2016 to 2023
CMS Open Payments shows 31 general payments to David Horowitz from 9 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $252.
General payments to David Horowitz by program year, 2016 to 2023
Companies that paid David Horowitz the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 David 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 David Horowitz's NPI number?
David Horowitz's NPI number is 1285675538. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What does David Horowitz specialize in?
David Horowitz is a dermatologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does David Horowitz practice?
David Horowitz practices at 23550 Hawthorne Blvd Ste 200 Suite 200, Torrance, CA 90505-4722. David Horowitz also practices at 51 N 39th St, Philadelphia, PA 19104. David Horowitz's primary practice is Coast Dermatology Medical Associates in Torrance, California. Dmand AI also links David Horowitz to 1 medical group.
What is David Horowitz's office phone number?
The practice phone on file for David Horowitz is (310) 373-2636.
What is David Horowitz's medical license number?
David Horowitz holds California license 20A4092.
What drugs does David Horowitz prescribe most?
In 2023 Medicare Part D data, David Horowitz's most prescribed drugs by claims were Liothyronine Sodium.
Has David Horowitz received payments from drug or device companies?
CMS Open Payments shows $925 in general payments to David Horowitz from 9 companies from 2016 to 2023. The largest total came from Celgene Corporation.
How long has David Horowitz been practicing?
David Horowitz's NPI was assigned in 2006.
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