Premier Hematology Oncology Medical Group Inc
NPI 1306217583 · Hematology & Oncology Physician · Los Angeles, CA
Premier Hematology Oncology Medical Group Inc is a Hematology & Oncology Physician organization in Los Angeles, CA (NPI 1306217583).
Provider details
- NPI number
- 1306217583
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leonid Kleynberg, Chief Executive Officer(323) 965-9995
- License
- A76900 (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
10 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
- 2015-10-13
- Last updated
- 2015-10-13
Frequently asked questions
- What is Premier Hematology Oncology Medical Group Inc's NPI number?
- Premier Hematology Oncology Medical Group Inc's National Provider Identifier (NPI) is 1306217583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Premier Hematology Oncology Medical Group Inc?
- Premier Hematology Oncology Medical Group Inc is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Premier Hematology Oncology Medical Group Inc located?
- Premier Hematology Oncology Medical Group Inc's practice location on file with NPPES is 6221 Wilshire Blvd, Los Angeles, CA 90048-5201.
- What is Premier Hematology Oncology Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Premier Hematology Oncology Medical Group Inc is (323) 965-9995.
- Who is the authorized official for Premier Hematology Oncology Medical Group Inc?
- The authorized official listed on Premier Hematology Oncology Medical Group Inc's NPPES record is Leonid Kleynberg, Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Premier Hematology Oncology Medical Group Inc's NPI active?
- Yes — Premier Hematology Oncology Medical Group Inc's NPI (1306217583) is active in the NPPES registry as of the last update on 2015-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.