Provider Profile
Mary Alison Mercer, OD practices optometry in Portsmouth, VA. Mary Alison is a 2003 graduate of Pennsylvania College of Optometry. Mary Alison is also listed as specializing in optometrist. According to Medicare claims data, Mary Alison cared for 1,942 Medicare patients across 2,550 services. 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, established patient complete exam of visual system, and microfluid analysis of tears. The provider's National Provider Identifier (NPI) is 1093725830.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3235 ACADEMY AVE SUITE 200
Portsmouth, VA 23703
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.
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
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
2,550 services · 1,942 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Placement of amniotic membrane on eye surface for wound healing | Procedure | 65778 |
48 | More often than most peers in Optometry |
| Closure of tear duct opening using plug | Procedure | 68761 |
26 | Less often than most peers in Optometry |
| Established patient complete exam of visual system | Treatment | 92014 |
556 | More than most peers in Optometry |
| Photography of the retina | Treatment | 92250 |
217 | More often than most peers in Optometry |
| Imaging of optic nerve | Treatment | 92133 |
100 | More often than most peers in Optometry |
| Imaging of retina | Treatment | 92134 |
87 | More often than most peers in Optometry |
| Exam of visual field with extended testing | Treatment | 92083 |
74 | More often than most peers in Optometry |
| New patient complete exam of visual system | Treatment | 92004 |
15 | 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 |
606 | More than most peers in Optometry |
| Microfluid analysis of tears | Lab test | 83861 |
503 | More than most peers in Optometry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Mercer is an optometry in Portsmouth, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Mercer is listed at 3235 Academy Ave Suite 200, Portsmouth, VA 23703. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (757) 483-0400. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Mercer's National Provider Identifier is 1093725830. 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
Dr. Mercer attended Pennsylvania College of Optometry, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mercer has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mercer performs procedures including placement of amniotic membrane on eye surface for wound healing and closure of tear duct opening using plug; provides treatments such as established patient complete exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mercer. If this is you, claiming it is free.
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