Physician Profile
Derek Duy Mai, M.D.
Unclaimed ProfileAbout Dr. Mai
Derek Duy Mai, M.D. practices ophthalmology in Mission Hills, CA. Derek is a 2014 graduate of University of California, San Diego School of Medicine. Derek is also listed as specializing in student in an organized health care education program. Medicare claims data shows Derek provided 598 services to 491 patients.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (818) 869-7269
- Email not available
Practice Locations
11333 SEPULVEDA BLVD
Mission Hills, CA 91345
Conditions Commonly Evaluated or Treated
Within Ophthalmology 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
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
598 services · 491 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
31 |
| Removal of excessive skin and fat of upper eyelid | Procedure | 15823 |
11 |
| Established patient complete exam of visual system | Treatment | 92014 |
126 |
| Imaging of retina | Treatment | 92134 |
56 |
| Exam of visual field with extended testing | Treatment | 92083 |
51 |
| Imaging of optic nerve | Treatment | 92133 |
29 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
21 |
| New patient complete exam of visual system | Treatment | 92004 |
19 |
| Photography of content of eyes | Treatment | 92285 |
18 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
175 |
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.
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.
Other ophthalmology specialists in Mission Hills 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2014 at University of California, San Diego School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Mai's specialty?
Dr. Mai is an ophthalmology in Mission Hills, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where can I find Dr. Mai?
Dr. Mai is listed at 11333 SEPULVEDA BLVD, Mission Hills, CA 91345. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mai?
The number on file is (818) 869-7269. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mai?
Dr. Mai's National Provider Identifier is 1386051423. 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. Mai's medical education?
Dr. Mai attended University of California, San Diego School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mai have?
Dr. Mai has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mai known for?
According to Medicare billing data, Dr. Mai performs procedures including removal of cataract with insertion of prosthetic lens and removal of excessive skin and fat of upper eyelid; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mai's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mai. 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.