Justin Wayne Tiulim, M.D.
NPI 1457892861 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Wayne Tiulim, M.D. is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1457892861).
Provider details
- NPI number
- 1457892861
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A157628 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,102 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 310 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 207 | $193 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $137 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 105 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 82 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 53 | 20 |
| Anastrozole | 32 | 17 |
| Acyclovir | 24 | — |
| Mirtazapine | 23 | — |
| Enzalutamidebrand: Xtandi | 20 | — |
| Osimertinib Mesylatebrand: Tagrisso | 18 | — |
| Venetoclaxbrand: Venclexta | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$686 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-17
- Last updated
- 2023-04-25
- Certified
- 2023-04-25
Frequently asked questions
- What is Justin Wayne Tiulim's NPI number?
- Justin Wayne Tiulim's National Provider Identifier (NPI) is 1457892861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Wayne Tiulim's specialty?
- Justin Wayne Tiulim is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Wayne Tiulim located?
- Justin Wayne Tiulim's practice location on file with NPPES is 2051 Marengo St, Los Angeles, CA 90033-1352.
- What is Justin Wayne Tiulim's phone number?
- The practice phone number listed in the NPPES registry for Justin Wayne Tiulim is (323) 409-1000.
- Does Justin Wayne Tiulim accept Medicare?
- Justin Wayne Tiulim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Wayne Tiulim's NPI active?
- Yes — Justin Wayne Tiulim's NPI (1457892861) is active in the NPPES registry as of the last update on 2023-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.