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Edit this profileWhere to find Stefan Ruehm, MD
- Los Angeles location main office
100 UCLA Medical Plz Ste 100, Los Angeles, CA 90024 - Santa Monica location
1245 16th St Ste 105, Santa Monica, CA 90404 - Pacoima location
13630 Van Nuys Blvd Ste 107, Pacoima, CA 91331
About Dr. Ruehm
Based in Los Angeles, CA, Stefan Ruehm, MD is listed in the NPI registry under internal medicine. Stefan is also listed as specializing in diagnostic radiology and vascular & interventional radiology. According to Medicare claims data, Stefan cared for 4,813 Medicare patients across 49,001 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, injection, gadobutrol, 0.1 ml, and injection, gadoterate meglumine, 0.1 ml. NPI 1669416632 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (310) 301-6800
- Email not available
Practice Locations
100 UCLA MEDICAL PLZ STE 100
Los Angeles, CA 90024
1245 16th St Ste 105
Santa Monica, CA 90404
13630 Van Nuys Blvd Ste 107
Pacoima, CA 91331
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
Procedures Most Often Billed to Medicare
49,001 services · 4,813 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
106 | As often as other peers in Internal Medicine |
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
355 | More than most peers in Internal Medicine |
| X-ray of chest, 2 views | Imaging | 71046 |
214 | More than most peers in Internal Medicine |
| Ct scan of blood vessels and grafts of heart with contrast | Imaging | 75574 |
174 | More than most peers in Internal Medicine |
| X-ray of chest, 1 view | Imaging | 71045 |
132 | More often than most peers in Internal Medicine |
| Ct scan of chest without contrast | Imaging | 71250 |
130 | More often than most peers in Internal Medicine |
| X-ray of chest, 2 views | Imaging | 71046 |
122 | More than most peers in Internal Medicine |
| Ultrasound scan of spinal canal | Imaging | 76800 |
84 | Too few peers to compare |
| Ct scan of chest with contrast | Imaging | 71260 |
71 | More often than most peers in Internal Medicine |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
375 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 32 related providers in 4 groups
Other internists in Los Angeles 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Other 8
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.
Common questions
What kind of doctor is Dr. Ruehm?
Dr. Ruehm is an internist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Dr. Ruehm's address?
Dr. Ruehm is listed at 100 UCLA Medical Plz Ste 100, Los Angeles, CA 90024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ruehm?
The number on file is (310) 301-6800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Ruehm's NPI number?
Dr. Ruehm's National Provider Identifier is 1669416632. 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. Ruehm train?
Dr. Ruehm attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ruehm been practicing?
Dr. Ruehm has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ruehm perform?
According to Medicare billing data, Dr. Ruehm performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as ultrasound scan of abdominal aorta and x-ray of chest, 2 views; provides treatments such as ultrasound study of arm and leg arteries and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ruehm confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ruehm. If this is you, claiming it is free.
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