Physician Profile
Unclaimed ProfileAbout LEE
John Kwanghyuk Lee, MD is a healthcare provider in Fullerton, CA specialising in internal medicine. According to Medicare claims data, John cared for 1,305 Medicare patients across 2,892 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
Common questions
What kind of doctor is Dr. Lee?
Dr. Lee is an internal medicine in Fullerton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Lee's address?
Dr. Lee is listed at 400 N. EUCLID ST, Fullerton, CA 91748. 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. Lee?
The number on file is (626) 964-3326. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lee's NPI number?
Dr. Lee's National Provider Identifier is 1598721284. 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. Lee train?
Dr. Lee attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lee been practising?
Dr. Lee has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lee perform?
According to Medicare billing data, Dr. Lee performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as complete ultrasound scan of abdomen and complete ultrasound scan of pelvis; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lee confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lee. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 964-3326
- Email not available
Practice Locations
400 N. EUCLID ST
Fullerton, CA 91748
Procedures Most Often Billed to Medicare
2,892 services · 1,305 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
558 |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
28 |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
17 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
69 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
46 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
28 |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
28 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
28 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
28 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
14 |
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.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Fullerton 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.