Provider Profile
Greg A. Butterworth, O. D.
Unclaimed ProfileAbout Greg Butterworth
Greg A. Butterworth, O. D. practices optometry in Havre De Grace, MD. Greg is a 1999 graduate of Pennsylvania College of Optometry. Greg is also listed as specializing in optometrist. Medicare claims data shows Greg provided 1,282 services to 1,036 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, exam of visual field with extended testing, and microfluid analysis of tears. The provider's National Provider Identifier (NPI) is 1336116979.
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
- (410) 939-2200
- Email not available
Practice Locations
920 REVOLUTION ST
Havre De Grace, MD 21078
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
1,282 services · 1,036 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
38 | More often than most peers in Optometry |
| Exam of visual field with extended testing | Treatment | 92083 |
116 | More often than most peers in Optometry |
| Imaging of optic nerve | Treatment | 92133 |
106 | More often than most peers in Optometry |
| Established patient problem focused exam of visual system | Treatment | 92012 |
87 | More often than most peers in Optometry |
| Imaging of retina | Treatment | 92134 |
48 | As often as other peers in Optometry |
| Photography of the retina | Treatment | 92250 |
28 | Less often than most peers in Optometry |
| Established patient complete exam of visual system | Treatment | 92014 |
16 | Less often than most peers in Optometry |
| Exam of the internal drainage system of eye | Treatment | 92020 |
12 | 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 |
467 | More than most peers in Optometry |
| Microfluid analysis of tears | Lab test | 83861 |
115 | As often as other 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.
Other optometry specialists at this location 3
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 optometry specialists in Havre De Grace 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Pennsylvania College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Pennsylvania College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of cornea to determine thickness 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Greg A. Butterworth specialize in?
Greg A. Butterworth is an optometry in Havre De Grace, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Greg A. Butterworth located?
Greg A. Butterworth is listed at 920 Revolution St, Havre De Grace, MD 21078. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Greg A. Butterworth's phone number?
The number on file is (410) 939-2200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Greg A. Butterworth?
Greg A. Butterworth's National Provider Identifier is 1336116979. 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 Greg A. Butterworth train?
Greg A. Butterworth attended Pennsylvania College of Optometry, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Greg A. Butterworth have?
Greg A. Butterworth has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Greg A. Butterworth do most often?
According to Medicare billing data, Greg A. Butterworth performs imaging including ultrasound scan of cornea to determine thickness; 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 Greg A. Butterworth's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Greg A. Butterworth. If this is you, claiming it is free.
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