NPI Details
Stefan Ruehm, MD is an internal medicine in Los Angeles, CA with 34 years of experience. The provider is a physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs. Stefan Ruehm, MD NPI is 1669416632. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
100 UCLA MEDICAL PLZ STE 100
LOS ANGELES, CA
ZIP 90024-000
Phone: (310) 301-6800
Fax: (310) 794-9035
The NPI 1669416632 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.
The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS:Q9967)
- X-ray of chest, 1 view (HCPCS:71045)
- X-ray of chest, 2 views (HCPCS:71046)
- X-ray of chest, 2 views (HCPCS:71046)
- Ct scan of blood vessels and grafts of heart with contrast (HCPCS:75574)
- Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
- Ct scan of blood vessels of chest with contrast (HCPCS:71275)
- Ct scan of blood vessels of chest with contrast (HCPCS:71275)
- Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
- Mri scan of heart before and after contrast (HCPCS:75561)
The enumeration date for this NPI number is 6/16/2006 and was last updated on 3/24/2025.
Taxonomy Codes
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
| No. |
Taxonomy Code |
Taxonomy Clasification |
Taxonomy Specialization |
License Number |
License State |
Primary |
| 1 | 2085R0202X | Radiology | Diagnostic Radiology | A97859 | CALIFORNIA | No |
| 2 | 2085R0204X | Radiology | Vascular & Interventional Radiology | A97859 | CALIFORNIA | No |
| 3 | 207R00000X | Internal Medicine | | A97859 | CALIFORNIA | Yes |
Other Identifiers
The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.
| No. |
Other Provider Identifier |
Other Provider Identifier Type |
Other Provider Identifier State |
Other Provider Identifier Issuer |
| 1 | 00F51720 | OTHER | CALIFORNIA | BLUE SHIELD |
| 2 | 000F51720 | MEDICAID | CALIFORNIA | |