Physician Profile
Unclaimed ProfileAbout ORR
Leo E Orr, M.D. is a healthcare provider in Los Angeles, CA specialising in hematology/oncology. Leo trained at Baylor College of Medicine, graduating in 1969. Leo 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 is Dr. Orr's specialty?
Dr. Orr is a hematology/oncology in Los Angeles, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where can I find Dr. Orr?
Dr. Orr is listed at 1245 WILSHIRE BLVD SUITE 801, Los Angeles, CA 90017. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Orr?
The number on file is (213) 481-3948. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Orr's NPI number?
Dr. Orr's National Provider Identifier is 1730102286. 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
What is Dr. Orr's medical education?
Dr. Orr attended Baylor College of Medicine, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Orr been practising?
Dr. Orr has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Orr known for?
According to Medicare billing data, Dr. Orr performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and assessment of emotional or behavioral problems, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Orr confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Orr. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (213) 481-3948
- Email not available
Practice Locations
1245 WILSHIRE BLVD SUITE 801
Los Angeles, CA 90017
Procedures Most Often Billed to Medicare
6,809 services · 579 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
136 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
133 |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
80 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
48 |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
43 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
43 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
5,640 |
| Injection, diphenhydramine hcl, up to 50 mg | Drug given | J1200 |
90 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
189 |
| Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services | Billing code | M0010 |
162 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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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 hematology/oncology specialists at this location 2
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.
Other hematology/oncology specialists in Los Angeles 7
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1969 at Baylor College of Medicine 2
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 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.