Nathaniel C Sears, MD
Nathaniel C Sears, MD practises Ophthalmology in Portsmouth, New Hampshire. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2012, 14 years ago. Practices with Eyesight Ophthalmic Services PLLC, a 16-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Iowa, Maine and New Hampshire.
- Years since qualifying
- 14
- Trained at
- Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
- Licensed in
- IA, ME, NH
- In the registry since
- 2012
- Specialties on file
- 5
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
155 Borthwick Ave Ste 200EPortsmouth, NH 03801-4184
Phone: (603) 436-1773
Fax: (603) 427-0655
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (2)
- 200 Hawkins Dr, Iowa City, IA 52242-1009 — (319) 356-4674
- 99 Us Route 1 Byp Ste B, Kittery, ME 03904-1792 — (603) 436-1773
Specialties & licences
| Ophthalmology Physician (primary) | Taxonomy 207W00000X · Licence 24997 (NH) |
|---|---|
| Glaucoma Specialist (Ophthalmology) Physician | Taxonomy 207WX0009X · Licence MD-44380 (IA) |
| Specialist | Taxonomy 174400000X · Licence 24997 (NH) |
| Ophthalmology Physician | Taxonomy 207W00000X · Licence MD27646 (ME) |
| Specialist | Taxonomy 174400000X · Licence MD27646 (ME) |
Record details
| NPI number | 1306103577 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | April 12, 2012 |
| Last updated in NPPES | September 21, 2026 |
| Certification date | September 21, 2026 |
Medicare enrollment
| Medicare specialty | OPHTHALMOLOGY |
|---|---|
| Medical school | CLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY |
| Graduated | 2012 (14 years in practice) |
| Group practice | Eyesight Ophthalmic Services Pllc — 16 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 3 on file with Medicare |
Procedures
| Cataract surgery | 269 times |
|---|
Medicare patients and services, 2024
| Medicare patients | 750 |
|---|---|
| Services billed | 2,281 |
| Average patient age | 77 |
Payments from drug and device companies, 2025
| Food and Beverage | $496 |
|---|
Colleagues at Eyesight Ophthalmic Services PLLC
- Dr. Dwight Brooks Arvidson, OD Optometrist · Portsmouth, NH
- Claudia Emerson Bartolini, MD Ophthalmology Physician · Portsmouth, NH
- Kinley Danae Beck, MD Ophthalmology Physician · Portsmouth, NH
- Dr. Warren Goldblatt, MD Specialist · Portsmouth, NH
- Dr. Dana F Graichen, MD Ophthalmology Physician · Sanford, ME
- Marsha Kavanagh, MD Ophthalmology Physician · Portsmouth, NH
- Jennifer Jing Ling, MD Ophthalmology Physician · Portsmouth, NH
- Dr. Lauren McLoughlin, OD Optometrist · Portsmouth, NH
- Dr. Newton Peters, MD Specialist · Portsmouth, NH
- Dr. Janet Rand, OD Optometrist · Portsmouth, NH
- Timothy W Sullivan, MD Ophthalmology Physician · Portsmouth, NH
- Jason Szelog, MD Ophthalmology Physician · Portsmouth, NH