John Shen, M.D.
NPI 1104183631 · Hematology & Oncology Physician · Los Angeles, CA
John Shen, M.D. is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1104183631).
Provider details
- NPI number
- 1104183631
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A128805 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
2,340 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) |
|---|---|---|
| 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 | 404 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 397 | $193 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 317 | $136 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 211 | $8 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 172 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abiraterone Acetate | 205 | 36 |
| Apalutamidebrand: Erleada | 177 | 25 |
| Prednisone | 145 | 46 |
| Darolutamidebrand: Nubeqa | 137 | 19 |
| Enzalutamidebrand: Xtandi | 119 | 16 |
| Relugolixbrand: Orgovyx | 85 | — |
| Tamsulosin Hcl | 46 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,452 across 18 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
- 2012-04-23
- Last updated
- 2018-08-09
Frequently asked questions
- What is John Shen's NPI number?
- John Shen's National Provider Identifier (NPI) is 1104183631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Shen's specialty?
- John Shen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Shen located?
- John Shen's practice location on file with NPPES is 200 Med Plaza, Los Angeles, CA 90045.
- What is John Shen's phone number?
- The practice phone number listed in the NPPES registry for John Shen is (818) 995-8044.
- Is John Shen's NPI active?
- Yes — John Shen's NPI (1104183631) is active in the NPPES registry as of the last update on 2018-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.