Physician Profile
Alan S. Nakanishi, M.D.
Unclaimed ProfileAbout Dr. Nakanishi
Alan S. Nakanishi, M.D. practices ophthalmology in Stockton, CA. Alan is a 1965 graduate of Loma Linda University School of Medicine. Medicare claims data shows Alan provided 773 services to 718 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient complete exam of visual system, and photography of the retina. The provider's National Provider Identifier (NPI) is 1770690505.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (209) 478-1797
- Email not available
Practice Locations
1617 SAINT MARKS PLZ SUITE D
Stockton, CA 95207
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
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
773 services · 718 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
152 | As often as other peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
139 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
133 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
59 | As often as other peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
32 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
28 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
24 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
187 | As often as other peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 | Less often than most peers in Ophthalmology |
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 eye doctors at this location 2
Same specialty, same street address — most likely the same department or group.
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 eye doctors in Stockton 7
Same specialty, same city.
More connections — 19 related providers in 3 groups
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1965 at Loma Linda University School of Medicine 3
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Alan S. Nakanishi specialize in?
Alan S. Nakanishi is an eye doctor in Stockton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Alan S. Nakanishi located?
Alan S. Nakanishi is listed at 1617 Saint Marks Plz Suite D, Stockton, CA 95207. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alan S. Nakanishi's phone number?
The number on file is (209) 478-1797. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Alan S. Nakanishi?
Alan S. Nakanishi's National Provider Identifier is 1770690505. 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 Alan S. Nakanishi train?
Alan S. Nakanishi attended Loma Linda University School of Medicine, graduating in 1965. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Alan S. Nakanishi have?
Alan S. Nakanishi has 61 years experience. Calculated from a graduation year of 1965, reported in the CMS National Downloadable File.
CMS public data
What does Alan S. Nakanishi do most often?
According to Medicare billing data, Alan S. Nakanishi provides treatments such as established patient complete exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Alan S. Nakanishi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Alan S. Nakanishi. If this is you, claiming it is free.
Guide.md
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