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Edit this profileAt a glance
- 127 E Division Rd, Oak Ridge, TN 37830
About Dr. Greer
Mark A. Greer, O.D. practices optometry in Oak Ridge, TN. Mark is a 1987 graduate of Southern College of Optometry. Mark is also listed as specializing in optometrist. According to Medicare claims data, Mark cared for 787 Medicare patients across 2,561 services. The services billed most often include removal of cataract with insertion of prosthetic lens, photography of the retina, and established patient complete exam of visual system. The provider's National Provider Identifier (NPI) is 1154372266.
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
- (865) 483-6338
- Email not available
Practice Locations
127 E DIVISION RD
Oak Ridge, TN 37830
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
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
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 exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
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
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
2,561 services · 787 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
1,691 | More often than most peers in Optometry |
| Photography of the retina | Treatment | 92250 |
189 | More often than most peers in Optometry |
| Established patient complete exam of visual system | Treatment | 92014 |
188 | More often than most peers in Optometry |
| Exam of visual field with extended testing | Treatment | 92083 |
70 | More often than most peers in Optometry |
| Imaging of optic nerve | Treatment | 92133 |
60 | More often than most peers in Optometry |
| Exam of the internal drainage system of eye | Treatment | 92020 |
33 | More often than most peers in Optometry |
| Imaging of retina | Treatment | 92134 |
19 | Less often than most peers in Optometry |
| New patient complete exam of visual system | Treatment | 92004 |
13 | Less often than most peers in Optometry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
162 | More often than most peers in Optometry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
82 | More often than most peers in Optometry |
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 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometry specialists in Oak Ridge 4
Same specialty, same city.
Trained at Southern College of Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1987 at Southern College of Optometry 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 TN who bill this service to Medicare most often.
Common questions
What does Mark A. Greer specialize in?
Mark A. Greer is an optometry in Oak Ridge, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mark A. Greer located?
Mark A. Greer is listed at 127 E Division Rd, Oak Ridge, TN 37830. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark A. Greer's phone number?
The number on file is (865) 483-6338. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark A. Greer's NPI number?
Mark A. Greer's National Provider Identifier is 1154372266. 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 Mark A. Greer train?
Mark A. Greer attended Southern College of Optometry, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark A. Greer been practicing?
Mark A. Greer has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Mark A. Greer do most often?
According to Medicare billing data, Mark A. Greer performs procedures including removal of cataract with insertion of prosthetic lens; provides treatments such as photography of the retina and established patient complete 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 Mark A. Greer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Greer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.