Alyssa Marquez
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 1800 Harrison St, Oakland, CA 94612
- Practice phone
- Call (951) 587-6973
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
First Expressions SLP services
Urgent Care Center · Oakland, California
Find Alyssa Marquez'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.
Alyssa Marquez is an occupational therapy assistant in Oakland, California
Alyssa Marquez practices at First Expressions SLP services in Oakland, California.
Alyssa Marquez's NPI, 1548159635, was assigned on July 2, 2025.
- NPI
- 1548159635NPI Registry (opens in a new tab)
- NPI enumeration date
- July 2, 2025
- NPI status
- Active
- Practice phone
- (951) 587-6973
- 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
Alyssa Marquez practices at First Expressions SLP services in Oakland, California
Alyssa Marquez's primary practice is First Expressions SLP services, at 1800 Harrison St, Oakland, CA 94612. The practice phone is (951) 587-6973.
- First Expressions SLP services1800 Harrison St, Oakland, CA 94612Phone(951) 587-6973
Source: Dmand AI Affiliation Data
Alyssa Marquez is affiliated with 2 sites of care and 1 medical group
Alyssa Marquez's primary practice is First Expressions SLP services in Oakland, California. The medical group on file is First Expressions SLP Services, Inc. Dmand AI also links Alyssa Marquez to 1 more group practice or clinic, named with a free account. Alyssa Marquez's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Alyssa Marquez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alyssa Marquez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| First Expressions SLP services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Alyssa Marquez is one of 42 occupational therapy assistants in California
Occupational therapy assistant is Alyssa Marquez's primary specialty in the NPI Registry, under taxonomy code 224Z00000X.
Specialties and state licenses
- Occupational therapy assistantPrimary
Occupational therapy assistants near Alyssa Marquez
Counts of occupational therapy assistants 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
Alyssa Marquez's patients have a median age of 6
Across all payers, Dmand AI patient panel data puts Alyssa Marquez's median patient age at 6, with 19% women.
Alyssa Marquez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 6
Patient panel by sex, all payers
- Women19%
- Men81%
Source: Dmand AI Patient Panel Data
Sources for Alyssa Marquez'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 Alyssa Marquez
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What is Alyssa Marquez's NPI number?
Alyssa Marquez's NPI number is 1548159635. It was assigned on July 2, 2025, and it is active in the NPI Registry.
What does Alyssa Marquez specialize in?
Alyssa Marquez is an occupational therapy assistant in Oakland, California. The primary specialty in the NPI Registry is Occupational Therapy Assistant (taxonomy code 224Z00000X).
Where does Alyssa Marquez practice?
Alyssa Marquez practices at 1800 Harrison St, Oakland, CA 94612. Alyssa Marquez's primary practice is First Expressions SLP services in Oakland, California. Dmand AI also links Alyssa Marquez to 1 group practice or clinic.
What is Alyssa Marquez's office phone number?
The practice phone on file for Alyssa Marquez is (951) 587-6973.
What medical group is Alyssa Marquez part of?
Alyssa Marquez is linked to First Expressions SLP Services, Inc.
How long has Alyssa Marquez been practicing?
Alyssa Marquez's NPI was assigned in 2025.
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