Master Sleep Inc.
NPI 1215170469 · Sleep Medicine (Family Medicine) Physician · Sherman Oaks, CA
Master Sleep Inc. is a Sleep Medicine (Family Medicine) Physician organization in Sherman Oaks, CA (NPI 1215170469).
Provider details
- NPI number
- 1215170469
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lucien Kroytor, Administrator(818) 849-6755
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
17 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
- 2009-04-16
- Last updated
- 2009-04-16
Frequently asked questions
- What is Master Sleep Inc.'s NPI number?
- Master Sleep Inc.'s National Provider Identifier (NPI) is 1215170469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Master Sleep Inc.?
- Master Sleep Inc. is classified in the NPPES registry as Sleep Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Master Sleep Inc. located?
- Master Sleep Inc.'s practice location on file with NPPES is 4533 Van Nuys Blvd Ste 302, Sherman Oaks, CA 91403-2950.
- What is Master Sleep Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Master Sleep Inc. is (818) 849-6755.
- Who is the authorized official for Master Sleep Inc.?
- The authorized official listed on Master Sleep Inc.'s NPPES record is Lucien Kroytor, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Master Sleep Inc.'s NPI active?
- Yes — Master Sleep Inc.'s NPI (1215170469) is active in the NPPES registry as of the last update on 2009-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.