Physician Profile
Unclaimed ProfileAbout CHEN
Based in Lodi, CA, Andrew Philip Chen, M.D. is listed in the NPI registry under ophthalmology. Andrew graduated from Loma Linda University School of Medicine in 1990.
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 does Dr. Chen specialise in?
Dr. Chen is an ophthalmology in Lodi, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 521 S HAM LN SUITE A, Lodi, CA 95242. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (209) 334-5886. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chen?
Dr. Chen's National Provider Identifier is 1912014739. 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. Chen go to medical school?
Dr. Chen attended Loma Linda University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chen have?
Dr. Chen has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen performs procedures including injection of drug into eye, removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient complete exam of visual system and established patient problem focused exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (209) 334-5886
- Email not available
Practice Locations
521 S HAM LN SUITE A
Lodi, CA 95242
Procedures Most Often Billed to Medicare
18,706 services · 5,102 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
408 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
302 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
124 |
| Removal of eyelashes using forceps | Procedure | 67820 |
44 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
32 |
| Removal of excessive skin and fat of upper eyelid | Procedure | 15823 |
22 |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
17 |
| Established patient complete exam of visual system | Treatment | 92014 |
1,202 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
839 |
| Imaging of retina | Treatment | 92134 |
759 |
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 ophthalmology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Loma Linda University School of Medicine 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 Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 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.