Physician Profile
John W. Hallisey, M.D.
Unclaimed ProfileAbout Dr. Hallisey
Based in San Luis Obispo, CA, John W. Hallisey, M.D. is listed in the NPI registry under ophthalmology. John graduated from University of California, Davis School of Medicine in 1972. According to Medicare claims data, John cared for 624 Medicare patients across 782 services. The services billed most often include imaging of optic nerve, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and exam of visual field with extended testing.
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
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (805) 541-1342
- Email not available
Practice Locations
1270 PEACH ST
San Luis Obispo, CA 93401
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
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
782 services · 624 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of optic nerve | Treatment | 92133 |
182 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
116 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
110 | |
| Exam of the internal drainage system of eye | Treatment | 92020 |
53 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
39 | |
| Photography of the retina | Treatment | 92250 |
31 | |
| Measurement of retinal and optic nerve function | Treatment | 92273 |
16 | |
| Pattern recording of retinal electrical responses to external stimuli with interpretation and report | 0509T |
16 | ||
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
167 | 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 |
52 |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 26 related providers in 4 groups
Other eye doctors in San Luis Obispo 7
Same specialty, same city.
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1972 at University of California, Davis School of Medicine 3
Providers who graduated from the same medical school in the same year.
Also performs Imaging of optic nerve 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does John W. Hallisey specialize in?
John W. Hallisey is an eye doctor in San Luis Obispo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is John W. Hallisey located?
John W. Hallisey is listed at 1270 Peach St, San Luis Obispo, CA 93401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John W. Hallisey's phone number?
The number on file is (805) 541-1342. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John W. Hallisey's NPI number?
John W. Hallisey's National Provider Identifier is 1467500686. 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 John W. Hallisey train?
John W. Hallisey attended University of California, Davis School of Medicine, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How long has John W. Hallisey been practicing?
John W. Hallisey has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What does John W. Hallisey do most often?
According to Medicare billing data, John W. Hallisey provides treatments such as imaging of optic nerve and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John W. Hallisey confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John W. Hallisey. 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.