Los Angeles Hematology-Oncology Medical Group
NPI 1912620998 · Hematology & Oncology Physician · Montebello, CA
Los Angeles Hematology-Oncology Medical Group is a Hematology & Oncology Physician organization in Montebello, CA (NPI 1912620998).
Provider details
- NPI number
- 1912620998
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marla Wsiaki, Access Manager(323) 254-0046
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
3 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
- 2022-09-23
- Last updated
- 2022-09-23
- Certified
- 2022-09-23
Frequently asked questions
- What is Los Angeles Hematology-Oncology Medical Group's NPI number?
- Los Angeles Hematology-Oncology Medical Group's National Provider Identifier (NPI) is 1912620998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Los Angeles Hematology-Oncology Medical Group?
- Los Angeles Hematology-Oncology Medical Group is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Los Angeles Hematology-Oncology Medical Group located?
- Los Angeles Hematology-Oncology Medical Group's practice location on file with NPPES is 433 N 4th St Ste 207, Montebello, CA 90640-4309.
- What is Los Angeles Hematology-Oncology Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Los Angeles Hematology-Oncology Medical Group is (323) 721-1388.
- Who is the authorized official for Los Angeles Hematology-Oncology Medical Group?
- The authorized official listed on Los Angeles Hematology-Oncology Medical Group's NPPES record is Marla Wsiaki, Access Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Los Angeles Hematology-Oncology Medical Group's NPI active?
- Yes — Los Angeles Hematology-Oncology Medical Group's NPI (1912620998) is active in the NPPES registry as of the last update on 2022-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.