Physician Profile
Unclaimed ProfileAbout LEACH
Based in Mission Hills, CA, Benjamin Leach, M.D. is listed in the NPI registry under medical oncology. Benjamin graduated from Tulane University School of Medicine in 2011. Benjamin is also listed as specialising in hematology & oncology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Leach specialise in?
Dr. Leach is a medical oncology in Mission Hills, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “MEDICAL ONCOLOGY”.
NPI registry
Where is Dr. Leach located?
Dr. Leach is listed at 15031 RINALDI ST STE 150, Mission Hills, CA 91345. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Leach's phone number?
The number on file is (818) 660-4700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leach's NPI number?
Dr. Leach's National Provider Identifier is 1497026140. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Leach go to medical school?
Dr. Leach attended Tulane University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leach been practising?
Dr. Leach has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Leach do most often?
According to Medicare billing data, Dr. Leach provides treatments such as administration of chemotherapy into vein, 1 hour or less and injection of additional new drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leach confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leach. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 660-4700
- Email not available
Practice Locations
15031 RINALDI ST STE 150
Mission Hills, CA 91345
Procedures Most Often Billed to Medicare
79,487 services · 1,299 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
363 |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
350 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
224 |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
138 |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
112 |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
19,200 |
| Injection, ferric carboxymaltose, 1 mg | Drug given | J1439 |
17,250 |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
10,010 |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
9,678 |
| Injection, oxaliplatin, 0.5 mg | Drug given | J9263 |
8,500 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical oncology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Tulane University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2011 at Tulane University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of chemotherapy into vein, 1 hour or less 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.