Stephanie Portillo
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 18646 Oxnard Street, Tarzana, CA 91356
- Practice phone
- Call (818) 996-1051
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stephanie Portillo'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.
Stephanie Portillo is an addiction (substance use disorder) counselor in Tarzana, California
Stephanie Portillo practices at Tarzana Treatment Centers in Tarzana, California, part of Tarzana Treatment Centers.
Stephanie Portillo's NPI, 1285598730, was assigned on December 10, 2025. Stephanie Portillo holds California license RT1422991125.
- NPI
- 1285598730NPI Registry (opens in a new tab)
- NPI enumeration date
- December 10, 2025
- NPI status
- Active
- Practice phone
- (818) 996-1051
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Stephanie Portillo practices at Tarzana Treatment Centers in Tarzana, California
Stephanie Portillo's primary practice is Tarzana Treatment Centers, at 18646 Oxnard Street, Tarzana, CA 91356 in Los Angeles County. The practice phone is (818) 996-1051.
- Tarzana Treatment Centers18646 Oxnard Street, Tarzana, CA 91356 · Los Angeles CountyPhone(818) 996-1051
Source: Dmand AI Affiliation Data
Stephanie Portillo is affiliated with 2 sites of care and 1 medical group
Stephanie Portillo's primary practice is Tarzana Treatment Centers in Tarzana, California, part of Tarzana Treatment Centers. The medical group on file is Tarzana Treatment Centers. Dmand AI also links Stephanie Portillo to 1 more group practice or clinic, named with a free account. Stephanie Portillo's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephanie Portillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Portillo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tarzana Treatment Centers | 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 Tarzana Treatment Centers and 6.2K+ hospitals, with verified contacts in the same login.
Stephanie Portillo is one of 640 addiction (substance use disorder) counselors in California
Counselor is Stephanie Portillo's primary specialty in the NPI Registry, under taxonomy code 101YA0400X. The record also lists addiction (substance use disorder). Stephanie Portillo is licensed in California.
Specialties and state licenses
- Addiction (substance use disorder) counselor, CaliforniaPrimary
Addiction (substance use disorder) counselors near Stephanie Portillo
Counts of addiction (substance use disorder) counselors 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
Stephanie Portillo's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Stephanie Portillo's median patient age at 66, with 0% women.
Stephanie Portillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Sources for Stephanie Portillo'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 |
| 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 Stephanie Portillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephanie Portillo's NPI number?
Stephanie Portillo's NPI number is 1285598730. It was assigned on December 10, 2025, and it is active in the NPI Registry.
What does Stephanie Portillo specialize in?
Stephanie Portillo is an addiction (substance use disorder) counselor in Tarzana, California. The primary specialty in the NPI Registry is Addiction (Substance Use Disorder) Counselor (taxonomy code 101YA0400X).
Where does Stephanie Portillo practice?
Stephanie Portillo practices at 18646 Oxnard Street, Tarzana, CA 91356. Stephanie Portillo's primary practice is Tarzana Treatment Centers in Tarzana, California, part of Tarzana Treatment Centers. Dmand AI also links Stephanie Portillo to 1 group practice or clinic.
What is Stephanie Portillo's office phone number?
The practice phone on file for Stephanie Portillo is (818) 996-1051.
What is Stephanie Portillo's medical license number?
Stephanie Portillo holds California license RT1422991125.
Which hospitals is Stephanie Portillo affiliated with?
Stephanie Portillo practices at Tarzana Treatment Centers in Tarzana, California.
What medical group is Stephanie Portillo part of?
Stephanie Portillo is linked to Tarzana Treatment Centers.
How long has Stephanie Portillo been practicing?
Stephanie Portillo's NPI was assigned in 2025.
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