Provider Profile
John J. McDiarmid, OD
Unclaimed ProfileAbout Dr. Mcdiarmid
John J. McDiarmid, OD is an optometrist based in Murrieta, CA. John is a 1990 graduate of Southern College of Optometry. Medicare claims data shows John provided 669 services to 594 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, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
- (951) 696-5388
- Email not available
Practice Locations
25395 HANCOCK AVE SUITE 100
Murrieta, CA 92562
Conditions Commonly Evaluated or Treated
Within Optometry 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
- Astigmatism
- Dry eye
- Nearsightedness
- Pink eye
- Presbyopia
Contact lens issues
- Contact Lens Intolerance
Cornea conditions
- Keratoconus
- Pterygium
Corneal issues
- Corneal Neovascularization
- Eye Sunburn
Eye conditions
- Broken Blood Vessel in Eye
Eye discomfort
- Burning Eyes
- Discharge from Eye
- Red Eyes
Eye diseases
- Cataracts
- Diabetic retinopathy
- Glaucoma
- Macular degeneration
- Retinal Tear Symptoms
Eye infections
- Corneal ulcer
Eye inflammation
- Iritis
Eye injuries
- Corneal abrasion
- Foreign Object in Eye
Eye irritation
- Eye Allergies
- Eye Pain
- Watery Eyes
Eye surface issues
- Yellow Bump on Eye
Eyelid conditions
- Blepharitis
- Drooping eyelid
- Eye Twitching
- Stye
Eyelid issues
- Chalazion
- Ectropion
- Entropion
- Eyelash Lice or Dandruff
Pediatric eye conditions
- Eye misalignment (strabismus)
- Lazy eye (amblyopia)
Pupil issues
- Unequal Pupil Sizes
Tear duct issues
- Blocked tear duct
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
- Contact lens fitting
- Dry eye treatment
- Eye exam
- Glasses prescription
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
- Autologous Serum Eye Drops Fitting
- IPL for Dry Eye
- LipiFlow Treatment
- Meibomian Gland Expression
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
- Eyelid Deep Cleaning
Eyelid treatments
- Stye Removal
General exams
- School Vision Screening Follow-Up
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
- Optical Coherence Tomography Scan
Minor procedures
- Amniotic Membrane Placement
- Tear Duct Plugs
Specialty lenses
- Ortho-K
- RGP Contact Lens Fitting
- Scleral Lens Fitting
Surgical evaluations
- Cataract Evaluation
- Corneal Cross-Linking Evaluation
- LASIK Consultation
- PRK Evaluation
Tear duct procedures
- Flushing of Tear Ducts
Therapy
- Sports Vision Training
- Vision Therapy
Urgent care
- Emergency Eye Care
- Foreign Object Removal from Eye
Vision correction
- Myopia Management
Procedures Most Often Billed to Medicare
669 services · 594 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exam of visual field with extended testing | Treatment | 92083 |
21 | Less often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
20 | Less often than most peers in Optometrist |
| Photography of the retina | Treatment | 92250 |
18 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
531 | More than most peers in Optometrist |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
51 | More often than most peers in Optometrist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 | Less often than most peers in Optometrist |
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 optometrists 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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other optometrists in Murrieta 7
Same specialty, same city.
Trained at Southern College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Southern College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Exam of visual field with extended testing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. McDiarmid's specialty?
Dr. McDiarmid is an optometrist in Murrieta, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. McDiarmid?
Dr. McDiarmid is listed at 25395 Hancock Ave Suite 100, Murrieta, CA 92562. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. McDiarmid?
The number on file is (951) 696-5388. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. McDiarmid?
Dr. McDiarmid's National Provider Identifier is 1427038959. 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. McDiarmid's medical education?
Dr. McDiarmid attended Southern College of Optometry, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. McDiarmid have?
Dr. McDiarmid has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Dr. McDiarmid known for?
According to Medicare billing data, Dr. McDiarmid provides treatments such as exam of visual field with extended testing and imaging of optic nerve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. McDiarmid's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McDiarmid. 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.