Ophthalmology · East Weymouth, MA
NPI
1922055664
Since 2006
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
97 Libbey Industrial Pkwy Ste 100
East Weymouth, MA, 02189
Phone (781) 331-3300
Groups this clinician bills Medicare through
Medicare paid, 2024
$628K
6,725 services
Medicare patients, 2024
2,164
Average age 78
Drug cost, 2024
$712K
10,054 prescriptions
Company payments, 2025
$144
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Mary Lisa McHam was code 92014 (ophthalmological e&m), 1,543 times for 1,426 patients. In total Mary Lisa McHam billed 6,725 services in 37 codes, and Medicare paid $628K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-12-23.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 92014 Ophthalmological E&M | Office | 1,543 | 1,426 | $91.89 | $142K |
| 92133 Computerized Ophthalmic Imaging | Office | 1,192 | 1,095 | $27.23 | $32K |
| 92083 Vision, Hearing, and Speech Services | Office | 1,055 | 962 | $50.37 | $53K |
| 99214 Office E&M - Established | Office | 758 | 627 | $97.16 | $74K |
| 92012 Ophthalmological E&M | Office | 514 | 455 | $70.00 | $36K |
| 99213 Office E&M - Established | Office | 447 | 410 | $63.55 | $28K |
| 92136 Ultrasound - Nonspecific | Office | 263 | 208 | $33.41 | $8,786 |
| 66984 Cataract Surgery | Facility | 212 | 155 | $438.31 | $93K |
| 92020 Ophthalmological E&M | Office | 127 | 117 | $22.06 | $2,801 |
| 65855 Fluid Flow and Drainage of Eye (Any Method) | Facility | 123 | 99 | $161.14 | $20K |
| 65855 Fluid Flow and Drainage of Eye (Any Method) | Office | 77 | 61 | $200.05 | $15K |
| 66821 Cataract Surgery | Office | 50 | 43 | $292.31 | $15K |
| 66991 Cataract Surgery | Facility | 43 | 31 | $570.38 | $25K |
| 92004 Ophthalmological E&M | Office | 41 | 41 | $103.37 | $4,238 |
| 66821 Cataract Surgery | Facility | 40 | 35 | $262.02 | $10K |
By year: 2022 $490K for 4,966 services; 2023 $586K for 5,901 services; 2024 $628K for 6,725 services.
Medicare prescription drug claims, 2024
In 2024, the drug Mary Lisa McHam prescribed most often to Medicare patients was Latanoprost, with 3,511 prescriptions and refills. In total Mary Lisa McHam wrote 10,054 Medicare prescriptions that cost $712K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Latanoprost Generic | 3,511 | 8,699 | 1,077 | $55K |
| Timolol Maleate Generic | 1,751 | 4,633 | 608 | $28K |
| Prednisolone Acetate Generic | 1,013 | 1,307 | 627 | $43K |
| Brimonidine Tartrate Generic | 839 | 2,050 | 281 | $28K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 629 | 1,533 | 219 | $13K |
| Dorzolamide Hcl Generic | 487 | 1,198 | 168 | $11K |
| Lumigan Bimatoprost | 188 | 435 | 64 | $125K |
| Erythromycin Erythromycin Base | 180 | 193 | 108 | $2,243 |
| Neomycin-Polymyxin-Dexameth Neomycin/Polymyxin B/Dexametha | 176 | 177 | 145 | $1,981 |
| Pilocarpine Hcl Generic | 138 | 341 | 46 | $9,391 |
| Rhopressa Netarsudil Mesylate | 132 | 242 | 37 | $81K |
| Brinzolamide Generic | 100 | 198 | 35 | $20K |
| Atropine Sulfate Generic | 69 | 102 | 32 | $2,569 |
| Brimonidine Tartrate-Timolol Brimonidine Tartrate/Timolol | 65 | 150 | 22 | $18K |
| Methazolamide Generic | 55 | 109 | 17 | $17K |
Brand drugs: 2,605 claims; generic drugs: 7,449 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Mary Lisa McHam $144 ($144 in general payments such as food, travel and fees) from 1 company. The largest payer was RxSight Inc with $144.
| Company | Payments | Amount |
|---|---|---|
| RxSight Inc RXST | 1 | $144 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.