Robert Tassin, MD
NPI 1659456333 · Emergency Medicine Physician · Sierra Vista, AZ
Robert Tassin, MD is a Emergency Medicine Physician provider in Sierra Vista, AZ (NPI 1659456333).
Provider details
- NPI number
- 1659456333
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25048 (AZ)
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
- 2006-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Tassin's NPI number?
- Robert Tassin's National Provider Identifier (NPI) is 1659456333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Tassin's specialty?
- Robert Tassin is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Tassin located?
- Robert Tassin's practice location on file with NPPES is 300 El Camino Real, Sierra Vista, AZ 85635-2812.
- What is Robert Tassin's phone number?
- The practice phone number listed in the NPPES registry for Robert Tassin is (800) 880-8800.
- Is Robert Tassin's NPI active?
- Yes — Robert Tassin's NPI (1659456333) 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.