Kleynberg Medical Clinic Inc
NPI 1568570109 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kleynberg Medical Clinic Inc is a Hematology & Oncology Physician organization in Los Angeles, CA (NPI 1568570109).
Provider details
- NPI number
- 1568570109
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leonid Kleynberg, Ceo / President(323) 965-9995
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
- 2006-08-25
- Last updated
- 2011-11-18
Frequently asked questions
- What is Kleynberg Medical Clinic Inc's NPI number?
- Kleynberg Medical Clinic Inc's National Provider Identifier (NPI) is 1568570109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kleynberg Medical Clinic Inc?
- Kleynberg Medical Clinic Inc is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kleynberg Medical Clinic Inc located?
- Kleynberg Medical Clinic Inc's practice location on file with NPPES is 6221 Wilshire Blvd, Los Angeles, CA 90048-5201.
- What is Kleynberg Medical Clinic Inc's phone number?
- The practice phone number listed in the NPPES registry for Kleynberg Medical Clinic Inc is (323) 965-9995.
- Does Kleynberg Medical Clinic Inc accept Medicare?
- Kleynberg Medical Clinic Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Kleynberg Medical Clinic Inc?
- The authorized official listed on Kleynberg Medical Clinic Inc's NPPES record is Leonid Kleynberg, Ceo / President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kleynberg Medical Clinic Inc's NPI active?
- Yes — Kleynberg Medical Clinic Inc's NPI (1568570109) is active in the NPPES registry as of the last update on 2011-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.