Physician Profile
Marsha Kavanagh, MD
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
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
Most searched conditions
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
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 — 26 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 8
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.