Physician Profile
Unclaimed ProfileAbout YOO
David H Yoo, M.D. is a healthcare provider in Thousand Oaks, CA specializing in internal medicine. David trained at George Washington University School of Medicine, graduating in 2016. David is also listed as specializing in cardiovascular disease and clinical cardiac electrophysiology. According to Medicare claims data, David cared for 480 Medicare patients across 671 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 852-9100
- Email not available
Practice Locations
227 W JANSS RD STE 340
Thousand Oaks, CA 91360
Procedures Most Often Billed to Medicare
671 services · 480 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
119 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
116 |
| Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of upper chamber of heart causing supraventricular tachycardia (rapid heart rate) | Treatment | 93653 |
14 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
12 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
229 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
84 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
70 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
14 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
13 |
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 internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 31 related providers in 4 groups
Other internal medicines in Thousand Oaks 7
Same specialty, same city.
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Yoo's specialty?
Dr. Yoo is an internal medicine in Thousand Oaks, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Yoo?
Dr. Yoo is listed at 227 W JANSS RD STE 340, Thousand Oaks, CA 91360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Yoo?
The number on file is (805) 852-9100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Yoo's NPI number?
Dr. Yoo's National Provider Identifier is 1538523618. 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. Yoo's medical education?
Dr. Yoo attended George Washington University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yoo been practicing?
Dr. Yoo has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Yoo known for?
According to Medicare billing data, Dr. Yoo provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function 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. Yoo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoo. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.