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Edit this profileAt a glance
- 155 Borthwick Ave, Suite 200 E, Portsmouth, NH 03801
About Dr. Sullivan
Timothy W. Sullivan, MD is a healthcare provider in Portsmouth, NH specializing in ophthalmology. Timothy trained at University of Michigan Medical School, graduating in 2009. Medicare claims data shows Timothy provided 4,895 services to 3,933 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, imaging of optic nerve, and exam of visual field with extended testing. This provider record is associated with NPI 1538486717.
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
Practice Locations
155 BORTHWICK AVE SUITE 200 E
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
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid 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
4,895 services · 3,933 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
330 | More often than most peers in Ophthalmology |
| Insertion of drug delivery implant into tear duct of eye | Procedure | 68841 |
134 | As often as other peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
112 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
78 | More often than most peers in Ophthalmology |
| Incision to improve eye fluid flow | Procedure | 65820 |
74 | More than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
21 | As often as other peers in Ophthalmology |
| Creation of eye fluid drainage tract for treatment of glaucoma | Procedure | 66170 |
13 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
33 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
856 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
530 | More 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 — 23 related providers in 4 groups
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 5
Providers in NH who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Sullivan?
Dr. Sullivan 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
What is Dr. Sullivan's address?
Dr. Sullivan is listed at 155 Borthwick Ave Suite 200 E, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sullivan?
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. Sullivan?
Dr. Sullivan's National Provider Identifier is 1538486717. 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 Dr. Sullivan train?
Dr. Sullivan attended University of Michigan Medical School, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sullivan have?
Dr. Sullivan has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sullivan perform?
According to Medicare billing data, Dr. Sullivan performs procedures including removal of cataract with insertion of prosthetic lens, insertion of drug delivery implant into tear duct of eye and laser repair to improve eye fluid flow; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as imaging of optic nerve and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sullivan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sullivan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.