Physician Profile
Unclaimed ProfileAbout HAMAKER
Nathan C Hamaker, MD is a healthcare provider in Lancaster, CA specialising in ophthalmology. Nathan trained at University of Texas Medical School at Houston, graduating in 2003.
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. Hamaker specialise in?
Dr. Hamaker is an ophthalmology in Lancaster, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Hamaker located?
Dr. Hamaker is listed at 44439 17TH ST W # 210, Lancaster, CA 93534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hamaker's phone number?
The number on file is (816) 838-3464. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hamaker's NPI number?
Dr. Hamaker's National Provider Identifier is 1104852292. 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. Hamaker go to medical school?
Dr. Hamaker attended University of Texas Medical School at Houston, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hamaker been practising?
Dr. Hamaker has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hamaker do most often?
According to Medicare billing data, Dr. Hamaker performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; 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
Has Dr. Hamaker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hamaker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (816) 838-3464
- Email not available
Practice Locations
44439 17TH ST W # 210
Lancaster, CA 93534
Procedures Most Often Billed to Medicare
1,630 services · 1,488 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
81 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
26 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
22 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
91 |
| Established patient complete exam of visual system | Treatment | 92014 |
555 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
172 |
| Imaging of optic nerve | Treatment | 92133 |
150 |
| New patient complete exam of visual system | Treatment | 92004 |
130 |
| Exam of visual field with extended testing | Treatment | 92083 |
99 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
90 |
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 Lancaster 8
Same specialty, same city.
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2003 at University of Texas Medical School at Houston 8
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.