Lester Cook, M.D.
NPI 1548455777 · Psychiatry Physician · Norwalk, CA
Lester Cook, M.D. is a Psychiatry Physician provider in Norwalk, CA (NPI 1548455777).
Provider details
- NPI number
- 1548455777
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A68912 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-09-11
- Last updated
- 2023-08-09
- Certified
- 2023-08-09
Frequently asked questions
- What is Lester Cook's NPI number?
- Lester Cook's National Provider Identifier (NPI) is 1548455777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lester Cook's specialty?
- Lester Cook is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Lester Cook located?
- Lester Cook's practice location on file with NPPES is 11401 Bloomfield Ave Rm 147, Norwalk, CA 90650-2015.
- What is Lester Cook's phone number?
- The practice phone number listed in the NPPES registry for Lester Cook is (562) 863-7011.
- Is Lester Cook's NPI active?
- Yes — Lester Cook's NPI (1548455777) is active in the NPPES registry as of the last update on 2023-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.