William Koenig, MD
NPI 1457390908 · Emergency Medicine Physician · Long Beach, CA
William Koenig, MD is a Emergency Medicine Physician provider in Long Beach, CA (NPI 1457390908).
Provider details
- NPI number
- 1457390908
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G27652 (CA)
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
20 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
- 2006-06-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Koenig's NPI number?
- William Koenig's National Provider Identifier (NPI) is 1457390908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Koenig's specialty?
- William Koenig is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Koenig located?
- William Koenig's practice location on file with NPPES is 2801 Atlantic Ave, Long Beach, CA 90806-1737.
- What is William Koenig's phone number?
- The practice phone number listed in the NPPES registry for William Koenig is (562) 933-2000.
- Is William Koenig's NPI active?
- Yes — William Koenig's NPI (1457390908) 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.