Daniel E. Mattila, LCSW
- Hospital affiliations
- 1
- State licenses
- 2
- Year NPI issued
- 2007
- Practice address
- 701 North Broadway, Sleepy Hollow, NY 10591
- Practice phone
- Call (914) 366-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Daniel Mattila'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.
Daniel E. Mattila is a clinical social worker in Sleepy Hollow, New York
Daniel Mattila practices at Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health.
Daniel Mattila's NPI, 1649463324, was assigned on August 24, 2007. Daniel Mattila holds New York license 055640.
- NPI
- 1649463324NPI Registry (opens in a new tab)
- NPI enumeration date
- August 24, 2007
- NPI status
- Active
- Practice phone
- (914) 366-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Daniel E. Mattila practices at Phelps Hospital in Sleepy Hollow, New York
Daniel Mattila's primary practice is Phelps Hospital, at 701 North Broadway, Sleepy Hollow, NY 10591 in Westchester County. The practice phone is (914) 366-3000.
- Phelps Hospital701 North Broadway, Sleepy Hollow, NY 10591 · Westchester CountyPhone(914) 366-3000
Source: Dmand AI Affiliation Data
Daniel E. Mattila is affiliated with 2 sites of care
Daniel Mattila's primary practice is Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health. Dmand AI also links Daniel Mattila to 1 breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel E. Mattila's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Mattila practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phelps Hospital | 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Daniel E. Mattila is one of 10,020 clinical social workers in New York
Social worker is Daniel Mattila's primary specialty in the NPI Registry, under taxonomy code 1041C0700X. The record also lists clinical. Dmand AI has Daniel Mattila's licenses on file in 2 states: New York and Connecticut.
Specialties and state licenses
- Clinical social worker, New YorkPrimary
- Connecticut license
Clinical social workers near Daniel Mattila
Counts of clinical 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
Daniel E. Mattila's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Daniel Mattila's median patient age at 48, with 58% women.
Daniel Mattila's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women58%
- Men33%
Source: Dmand AI Patient Panel Data
Sources for Daniel E. Mattila'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 Daniel E. Mattila
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel E. Mattila's NPI number?
Daniel E. Mattila's NPI number is 1649463324. It was assigned on August 24, 2007, and it is active in the NPI Registry.
What does Daniel E. Mattila specialize in?
Daniel E. Mattila is a clinical social worker in Sleepy Hollow, New York. The primary specialty in the NPI Registry is Clinical Social Worker (taxonomy code 1041C0700X).
Where does Daniel E. Mattila practice?
Daniel Mattila practices at 701 North Broadway, Sleepy Hollow, NY 10591. Daniel Mattila's primary practice is Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health. Dmand AI also links Daniel Mattila to 1 breast imaging center.
What is Daniel E. Mattila's office phone number?
The practice phone on file for Daniel Mattila is (914) 366-3000.
What is Daniel E. Mattila's medical license number?
Daniel Mattila holds New York license 055640, one of the licenses on file in 2 states.
Which states has Daniel E. Mattila been licensed in?
Dmand AI has state licenses on file for Daniel Mattila in New York and Connecticut.
Which hospitals is Daniel E. Mattila affiliated with?
Daniel Mattila practices at Phelps Hospital in Sleepy Hollow, New York.
How long has Daniel E. Mattila been practicing?
Daniel Mattila's NPI was assigned in 2007.
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