Michael Cassara, DO
NPI 1447273289 · Emergency Medicine Physician · Plainview, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Cassara, DO is a Emergency Medicine Physician provider in Plainview, NY (NPI 1447273289).
Provider details
- NPI number
- 1447273289
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 212341 (NY)
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
19 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
- 2006-07-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Cassara's NPI number?
- Michael Cassara's National Provider Identifier (NPI) is 1447273289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Cassara's specialty?
- Michael Cassara is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Cassara located?
- Michael Cassara's practice location on file with NPPES is 888 Old Country Rd, Plainview, NY 11803-4914.
- What is Michael Cassara's phone number?
- The practice phone number listed in the NPPES registry for Michael Cassara is (800) 376-5566.
- Does Michael Cassara accept Medicare?
- Michael Cassara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Cassara's NPI active?
- Yes — Michael Cassara's NPI (1447273289) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.