Hematology Oncology Associates
NPI 1457419731 · Hematology & Oncology Physician · Oakland, CA
Hematology Oncology Associates is a Hematology & Oncology Physician organization in Oakland, CA (NPI 1457419731).
Provider details
- NPI number
- 1457419731
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gary Cecch, President(510) 834-6923
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
Other names (DBA / former)
- Former legal business name
- Larry G. Strieff MD Inc
Registry dates
- Enumerated
- 2006-12-05
- Last updated
- 2009-06-15
Frequently asked questions
- What is Hematology Oncology Associates's NPI number?
- Hematology Oncology Associates's National Provider Identifier (NPI) is 1457419731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hematology Oncology Associates?
- Hematology Oncology Associates is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hematology Oncology Associates located?
- Hematology Oncology Associates's practice location on file with NPPES is 3100 Telegraph Ave #3101, Oakland, CA 94609-3210.
- What is Hematology Oncology Associates's phone number?
- The practice phone number listed in the NPPES registry for Hematology Oncology Associates is (510) 834-6923.
- Who is the authorized official for Hematology Oncology Associates?
- The authorized official listed on Hematology Oncology Associates's NPPES record is Gary Cecch, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hematology Oncology Associates's NPI active?
- Yes — Hematology Oncology Associates's NPI (1457419731) is active in the NPPES registry as of the last update on 2009-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.