Siena Emergency Medical Services, P.C.
NPI 1356507099 · Emergency Medicine Physician · Smithtown, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siena Emergency Medical Services, P.C. is a Emergency Medicine Physician organization in Smithtown, NY (NPI 1356507099).
Provider details
- NPI number
- 1356507099
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Amy Charley, Vp Legal(240) 686-2300
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-01
- Last updated
- 2023-02-24
- Certified
- 2023-02-24
Frequently asked questions
- What is Siena Emergency Medical Services, P.C.'s NPI number?
- Siena Emergency Medical Services, P.C.'s National Provider Identifier (NPI) is 1356507099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Siena Emergency Medical Services, P.C.?
- Siena Emergency Medical Services, P.C. is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siena Emergency Medical Services, P.C. located?
- Siena Emergency Medical Services, P.C.'s practice location on file with NPPES is 50 Route 25a, Smithtown, NY 11787-1348.
- What is Siena Emergency Medical Services, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Siena Emergency Medical Services, P.C. is (844) 474-4019.
- Does Siena Emergency Medical Services, P.C. accept Medicare?
- Siena Emergency Medical Services, P.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Siena Emergency Medical Services, P.C.?
- The authorized official listed on Siena Emergency Medical Services, P.C.'s NPPES record is Amy Charley, Vp Legal. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Siena Emergency Medical Services, P.C.'s NPI active?
- Yes — Siena Emergency Medical Services, P.C.'s NPI (1356507099) is active in the NPPES registry as of the last update on 2023-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.