Physician Profile
Clan H. Hahn, M.D. is a healthcare provider in Los Angeles, CA specializing in hematology & oncology. Clan trained at Loma Linda University School of Medicine, graduating in 1992. Medicare claims data shows Clan provided 2,769 services to 644 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and insertion of needle into vein for collection of blood sample.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
520 S VIRGIL AVE STE 306
Los Angeles, CA 90020
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
Blood disorders
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
Supportive cancer care
Surgical & Vascular Access
Testing & Genetics
Vascular access care
2,769 services · 644 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
496 |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
179 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
126 |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
105 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
95 |
| Infusion, normal saline solution, 250 cc | Drug given | J7050 |
84 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
745 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
737 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
132 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
70 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Clan H. Hahn is a cancer specialist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Clan H. Hahn is listed at 520 S Virgil Ave Ste 306, Los Angeles, CA 90020. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (213) 277-1700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Clan H. Hahn's National Provider Identifier is 1023043189. 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
Clan H. Hahn attended Loma Linda University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Clan H. Hahn has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Clan H. Hahn performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of additional new drug or substance into vein and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Clan H. Hahn. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.