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Edit this profileAt a glance
- 8140 Ashton Ave Ste 120, Manassas, VA 20109
About Dr. Guo
Listed in the NPI registry as an optometrist, Emily C. Guo, OD practices in Manassas, VA. Emily graduated from Illinois College of Optometry at Chicago in 2020. According to Medicare claims data, Emily cared for 655 Medicare patients across 702 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient complete exam of visual system. NPI 1669066866 identifies this record in the national registry.
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
- (703) 361-3128
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
8140 ASHTON AVE STE 120
Manassas, VA 20109
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
702 services · 655 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
275 | More often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
99 | More than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
64 | More often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
61 | More often than most peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
32 | As often as other 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 |
121 | More often 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 |
22 | As often as other peers in Optometrist |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
17 | Less 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 |
11 | 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.
Related specialists at this location 2
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.
Other optometrists in Manassas 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Illinois College of Optometry at Chicago 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Illinois College of Optometry at Chicago 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in VA who bill this service to Medicare most often.
Common questions
What is Dr. Guo's specialty?
Dr. Guo is an optometrist in Manassas, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Guo?
Dr. Guo is listed at 8140 Ashton Ave Ste 120, Manassas, VA 20109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Guo?
The number on file is (703) 361-3128. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Guo's NPI number?
Dr. Guo's National Provider Identifier is 1669066866. 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. Guo's medical education?
Dr. Guo attended Illinois College of Optometry at Chicago, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Guo been practicing?
Dr. Guo has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Guo known for?
According to Medicare billing data, Dr. Guo provides treatments such as established patient complete exam of visual system and new 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 Dr. Guo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guo. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.