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Edit this profileAt a glance
- 97 Libbey Industrial Pkwy Ste 100, East Weymouth, MA 02189
About Dr. Mcham
Mary Lisa McHam, M.D. is a healthcare provider in East Weymouth, MA specializing in ophthalmology. Mary Lisa trained at Baylor College of Medicine, graduating in 1989. Mary Lisa is also listed as specializing in ophthalmology — glaucoma. According to Medicare claims data, Mary Lisa cared for 5,923 Medicare patients across 6,648 services. The services billed most often include established patient complete exam of visual system, imaging of optic nerve, and exam of visual field with extended testing. This provider record is associated with NPI 1922055664.
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
- (781) 331-3300
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
97 LIBBEY INDUSTRIAL PKWY STE 100
East Weymouth, MA 02189
Conditions Commonly Evaluated or Treated
Within Ophthalmology 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
Eye injury and cancer
Inflammation, neurologic, and orbit
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
6,648 services · 5,923 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
212 | More often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
123 | More than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
77 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
50 | More often than most peers in Ophthalmology |
| Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye | Procedure | 66991 |
43 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
40 | More often than most peers in Ophthalmology |
| Incision to improve eye fluid flow | Procedure | 65820 |
28 | As often as other peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
25 | As often as other peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
20 | Less often than most peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
17 | Less often than most peers in Ophthalmology |
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 eye doctors at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1989 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 7
Providers in MA who bill this service to Medicare most often.
Common questions
What does Mary Lisa McHam specialize in?
Mary Lisa McHam is an eye doctor in East Weymouth, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Mary Lisa McHam located?
Mary Lisa McHam is listed at 97 Libbey Industrial Pkwy Ste 100, East Weymouth, MA 02189. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Lisa McHam's phone number?
The number on file is (781) 331-3300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Lisa McHam's NPI number?
Mary Lisa McHam's National Provider Identifier is 1922055664. 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 Mary Lisa McHam train?
Mary Lisa McHam attended Baylor College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Lisa McHam been practicing?
Mary Lisa McHam has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Mary Lisa McHam do most often?
According to Medicare billing data, Mary Lisa McHam performs procedures including removal of cataract with insertion of prosthetic lens, laser repair to improve eye fluid flow and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness and ultrasound scan to determine eye length and lens power; provides treatments such as established patient complete exam of visual system 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
Has Mary Lisa McHam confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Lisa McHam. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.