Are you Dr. Kavanagh? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 155 Borthwick Ave, Suite 200 East, Portsmouth, NH 03801
About Dr. Kavanagh
Based in Portsmouth, NH, Marsha Kavanagh, MD is listed in the NPI registry under ophthalmology. Marsha graduated from Harvard Medical School in 2001. Medicare claims data shows Marsha provided 5,089 services to 2,468 patients. The services billed most often include injection, onabotulinumtoxina, 1 unit, photography of content of eyes, and established patient problem focused exam of visual system. NPI 1467403659 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
- (603) 436-1773
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
155 BORTHWICK AVE SUITE 200 EAST
Portsmouth, NH 03801
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
5,089 services · 2,468 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of excessive skin and fat of upper eyelid | Procedure | 15823 |
70 | More often than most peers in Ophthalmology |
| Removal of growth of eyelid | Procedure | 67840 |
47 | More often than most peers in Ophthalmology |
| Removal of eyelashes using forceps | Procedure | 67820 |
44 | More often than most peers in Ophthalmology |
| Injection of chemical for paralysis of nerve muscles on side of face | Procedure | 64612 |
36 | Less often than most peers in Ophthalmology |
| Reconstruction of eyelid margin | Procedure | 67950 |
17 | Less often than most peers in Ophthalmology |
| Insertion of probe into nasal tear duct | Procedure | 68810 |
13 | Less often than most peers in Ophthalmology |
| Extensive repair of turning-inward eyelid defect | Procedure | 67924 |
12 | Less often than most peers in Ophthalmology |
| Photography of content of eyes | Treatment | 92285 |
516 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
457 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
433 | More 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 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 22 related providers in 4 groups
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of excessive skin and fat of upper eyelid 4
Providers in NH who bill this service to Medicare most often.
Common questions
What is Dr. Kavanagh's specialty?
Dr. Kavanagh is an eye doctor in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Kavanagh?
Dr. Kavanagh is listed at 155 Borthwick Ave Suite 200 East, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Kavanagh?
The number on file is (603) 436-1773. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Kavanagh?
Dr. Kavanagh's National Provider Identifier is 1467403659. 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. Kavanagh's medical education?
Dr. Kavanagh attended Harvard Medical School, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Kavanagh have?
Dr. Kavanagh has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Kavanagh known for?
According to Medicare billing data, Dr. Kavanagh performs procedures including removal of excessive skin and fat of upper eyelid, removal of growth of eyelid and removal of eyelashes using forceps; provides treatments such as photography of content of eyes and established patient problem focused 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
Is Dr. Kavanagh's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kavanagh. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.