Doctor profile · Federal record
Dr. Mary Alison Mercer, OD
Optometrist (CMS: Optometry) · Portsmouth, VA
- NPI 1093725830
- Accepts Medicare
- MIPS 77.4 / 100 · 2023
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3235 Academy Ave, Suite 200
Portsmouth, VA 237033200
(757) 483-0400
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- May 19, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Virginia #0618001325
- Medicaid
- VA #10170664
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093725830. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,013
Distinct HCPCS
10
Medicare allowed
$200,481
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 545 | 324 | $90 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 387 | 352 | $127 | |
83861 |
Microfluid analysis of tears | 311 | 136 | $22 | |
92014 |
Established patient complete exam of visual system | 301 | 300 | $126 | |
92250 |
Photography of the retina | 163 | 162 | $37 | |
92133 |
Imaging of optic nerve | 91 | 87 | $36 | |
92083 |
Exam of visual field with extended testing | 54 | 52 | $63 | |
68761 |
Closure of tear duct opening using plug | 48 | 17 | $117 | |
92134 |
Imaging of retina | 45 | 44 | $40 | |
92004 |
New patient complete exam of visual system | 24 | 24 | $150 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 149. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$643
Transactions
24
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tarsus Pharmaceuticals, Inc. | 8 | $220.81 | |
| Alcon Vision LLC | 1 | $124.93 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 5 | $95.18 | |
| Bausch & Lomb Americas Inc. | 4 | $82.14 | |
| BIOTISSUE HOLDINGS INC. | 3 | $52.03 | |
| Sight Sciences, Inc. | 1 | $23.01 | |
| Dompe US, Inc. | 1 | $22.50 | |
| Harrow Eye, LLC | 1 | $22.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
415
Patients
183
Total drug cost
$258,751
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 72 | 24 | $1,757 |
| Doxycycline Hyclate | Generic | 68 | 41 | $1,970 |
| Restasis (Cyclosporine) | Brand | 57 | 34 | $75,764 |
| Xiidra (Lifitegrast) | Brand | 57 | 31 | $79,273 |
| Cyclosporine | Generic | 31 | 17 | $31,899 |
| Cequa (Cyclosporine) | Brand | 21 | 0 | $22,929 |
| Lumigan (Bimatoprost) | Brand | 20 | 0 | $11,397 |
| Erythromycin (Erythromycin Base) | Brand | 15 | 13 | $155 |
| Timolol Maleate | Generic | 15 | 0 | $269 |
| Lotemax Sm (Loteprednol Etabonate) | Brand | 13 | 12 | $4,563 |
Frequently asked questions
What is Dr. Mary Alison Mercer's medical specialty?
Dr. Mary Alison Mercer practices Optometrist in Portsmouth, VA.
Where does Dr. Mary Alison Mercer practice?
Dr. Mary Alison Mercer practices at 3235 Academy Ave, Portsmouth, VA 237033200. Office phone: 7574830400.
What is Dr. Mary Alison Mercer's NPI?
Dr. Mary Alison Mercer's National Provider Identifier (NPI) is 1093725830, issued by NPPES.
Does Dr. Mary Alison Mercer accept Medicare assignment?
Yes. Dr. Mary Alison Mercer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Alison Mercer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Microfluid analysis of tears (HCPCS 83861). Source: CMS Medicare Physician & Other Practitioners file.