Donald Diienno, M.D.
NPI 1508273111 · Emergency Medicine Physician · Clearwater, FL
Donald Diienno, M.D. is a Emergency Medicine Physician provider in Clearwater, FL (NPI 1508273111).
Provider details
- NPI number
- 1508273111
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 40320 (FL)
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
11 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
- 2014-07-15
- Last updated
- 2014-07-15
Frequently asked questions
- What is Donald Diienno's NPI number?
- Donald Diienno's National Provider Identifier (NPI) is 1508273111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Diienno's specialty?
- Donald Diienno is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Diienno located?
- Donald Diienno's practice location on file with NPPES is 4625 E Bay Dr, Clearwater, FL 33764-5738.
- What is Donald Diienno's phone number?
- The practice phone number listed in the NPPES registry for Donald Diienno is (727) 725-3555.
- Is Donald Diienno's NPI active?
- Yes — Donald Diienno's NPI (1508273111) is active in the NPPES registry as of the last update on 2014-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.