Downey Acute Care Medical Group
NPI 1356450977 · Emergency Medicine Physician · Downey, CA
Downey Acute Care Medical Group is a Emergency Medicine Physician organization in Downey, CA (NPI 1356450977).
Provider details
- NPI number
- 1356450977
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Richard Guess, President(562) 592-6805
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
- 2006-08-29
- Last updated
- 2010-07-01
Frequently asked questions
- What is Downey Acute Care Medical Group's NPI number?
- Downey Acute Care Medical Group's National Provider Identifier (NPI) is 1356450977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Downey Acute Care Medical Group?
- Downey Acute Care Medical Group is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Downey Acute Care Medical Group located?
- Downey Acute Care Medical Group's practice location on file with NPPES is 11500 Brookshire Ave, Downey, CA 90241-4917.
- What is Downey Acute Care Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Downey Acute Care Medical Group is (562) 904-5000.
- Who is the authorized official for Downey Acute Care Medical Group?
- The authorized official listed on Downey Acute Care Medical Group's NPPES record is Richard Guess, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Downey Acute Care Medical Group's NPI active?
- Yes — Downey Acute Care Medical Group's NPI (1356450977) is active in the NPPES registry as of the last update on 2010-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.