Lesley Mah
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 279 E 3rd Street, New York, NY 10009
- Practice phone
- Call (212) 477-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ryan Health - NENA
FQHC - Main Site · New York, New York
Find Lesley Mah'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.
Lesley Mah is a social worker in New York, New York
Lesley Mah practices at Ryan Health - NENA in New York, New York.
Lesley Mah's NPI, 1124988696, was assigned on November 17, 2025.
- NPI
- 1124988696NPI Registry (opens in a new tab)
- NPI enumeration date
- November 17, 2025
- NPI status
- Active
- Practice phone
- (212) 477-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Lesley Mah practices at Ryan Health - NENA in New York, New York
Lesley Mah's primary practice is Ryan Health - NENA, at 279 E 3rd Street, New York, NY 10009 in New York County. The practice phone is (212) 477-8500.
- Ryan Health - NENA279 E 3rd Street, New York, NY 10009 · New York CountyPhone(212) 477-8500
Source: Dmand AI Affiliation Data
Lesley Mah is affiliated with 2 sites of care and 1 medical group
Lesley Mah's primary practice is Ryan Health - NENA in New York, New York. The medical group on file is Ryan Health. Dmand AI also links Lesley Mah to 1 more behavioral health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lesley Mah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lesley Mah practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ryan Health - NENA | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Lesley Mah is one of 4,070 social workers in New York
Social worker is Lesley Mah's primary specialty in the NPI Registry, under taxonomy code 104100000X.
Specialties and state licenses
- Social workerPrimary
Social workers near Lesley Mah
Counts of social workers 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
Lesley Mah's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Lesley Mah's median patient age at 49, with 86% women.
Lesley Mah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women86%
- Men7%
Source: Dmand AI Patient Panel Data
Sources for Lesley Mah'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 Lesley Mah
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lesley Mah's NPI number?
Lesley Mah's NPI number is 1124988696. It was assigned on November 17, 2025, and it is active in the NPI Registry.
What does Lesley Mah specialize in?
Lesley Mah is a social worker in New York, New York. The primary specialty in the NPI Registry is Social Worker (taxonomy code 104100000X).
Where does Lesley Mah practice?
Lesley Mah practices at 279 E 3rd Street, New York, NY 10009. Lesley Mah's primary practice is Ryan Health - NENA in New York, New York. Dmand AI also links Lesley Mah to 1 behavioral health center.
What is Lesley Mah's office phone number?
The practice phone on file for Lesley Mah is (212) 477-8500.
What medical group is Lesley Mah part of?
Lesley Mah is linked to Ryan Health.
How long has Lesley Mah been practicing?
Lesley Mah's NPI was assigned in 2025.
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