Grant William Jirka, MD
Hematology/Oncology (CMS) · Los Angeles, CA
At a glance
1441 Eastlake Ave # Ntt3440, Los Angeles, CA 90089-4405
NPPES record updated Sep 24, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1441 Eastlake Ave # Ntt3440Los Angeles, CA 90089-4405
Additional reported practice locations
833 Chestnut St Ste 220Philadelphia, PA 191074405
Phone: 2159558465 2001 Dwight Way
Berkeley, CA 947042608
Phone: 5102041591
Fax: 5102046440
Education & affiliations
- Medical / professional school
- University Of Nebraska College Of Medicine
- Graduation year
- 2020
- CMS specialties
- Hematology/Oncology
Reported hospital affiliations
- Lac/Rancho Los Amigos National Rehabilitation Ctr Downey, CA
- Los Angeles General Medical Center Los Angeles, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $3,033.29 |
| Education | $364.96 |
| Consulting fee | $175.00 |
Reporting companies
| Company | Amount |
|---|---|
| JANSSEN BIOTECH, INC. | $423.18 |
| ALEXION PHARMACEUTICALS, INC. | $331.57 |
| GILEAD SCIENCES, INC. | $327.40 |
| KARYOPHARM THERAPEUTICS INC. | $184.84 |
| ASTRAZENECA PHARMACEUTICALS LP | $181.99 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $162.90 |
| MERCK SHARP & DOHME LLC | $157.39 |
| BLUEPRINT MEDICINES CORPORATION | $149.72 |
| Other reporting companies | $1,654.26 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Hematology/Oncology (CMS)
- Taxonomy code
- 207RH0003X
- Enumeration date
- Apr 9, 2020
- Record updated
- Sep 24, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RH0003X · Primary
License reported: 187091 CA
207R00000X
License reported: MT220309 PA
207R00000X
License reported: A187091 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1441 Eastlake Ave # Ntt3440Los Angeles, CA 90089-4405
- Phone
- (323) 865-3823
Mailing address
1441 EASTLAKE AVE # NTT3440LOS ANGELES, CA 900894405
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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