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Dennis Ross, MD
NPI 1659309425 · Emergency Medicine Physician · Fullerton, CA
Dennis Ross, MD is a Emergency Medicine Physician provider in Fullerton, CA (NPI 1659309425).
Provider details
- NPI number
- 1659309425
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G36200 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
101 E Valencia Mesa Dr
Em Dept
Fullerton, CA 92835-3809
Phone: (714) 992-3965
Street-level locationGet directions
Mailing address
4401 W Memorial Rd
Oklahoma City, OK 73134-1785
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2009-03-11
Frequently asked questions
- What is Dennis Ross's NPI number?
- Dennis Ross's National Provider Identifier (NPI) is 1659309425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Ross's specialty?
- Dennis Ross is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Ross located?
- Dennis Ross's practice location on file with NPPES is 101 E Valencia Mesa Dr, Fullerton, CA 92835-3809.
- What is Dennis Ross's phone number?
- The practice phone number listed in the NPPES registry for Dennis Ross is (714) 992-3965.
- Is Dennis Ross's NPI active?
- Yes — Dennis Ross's NPI (1659309425) is active in the NPPES registry as of the last update on 2009-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.