Are you Dr. Chamberlain? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 3375 Sw Terwilliger Blvd, Portland, OR 97239
About Dr. Chamberlain
Based in Portland, OR, Winston D. Chamberlain, MD, PhD is listed in the NPI registry under ophthalmology — cornea & external disease. Winston graduated from University of Colorado School of Medicine, Denver in 2002. Winston is also listed as specializing in ophthalmology. According to Medicare claims data, Winston cared for 714 Medicare patients across 818 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'. NPI 1710108162 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
- (503) 494-3000
- Email not available
Practice Locations
3375 SW TERWILLIGER BLVD
Portland, OR 97239
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
818 services · 714 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
18 | Less often than most peers in Ophthalmology — Cornea &… |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
13 | Less often than most peers in Ophthalmology — Cornea &… |
| Removal of outer layer of cornea | Procedure | 65435 |
12 | Too few peers to compare |
| Transplantation of outer layer of corneal tissue | Procedure | 65756 |
11 | Less often than most peers in Ophthalmology — Cornea &… |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
57 | More often than most peers in Ophthalmology — Cornea &… |
| Ct scan of cornea | Treatment | 92025 |
76 | More often than most peers in Ophthalmology — Cornea &… |
| Imaging of retina | Treatment | 92134 |
64 | As often as other peers in Ophthalmology — Cornea &… |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
29 | Less often than most peers in Ophthalmology — Cornea &… |
| Photography of content of eyes | Treatment | 92285 |
22 | As often as other peers in Ophthalmology — Cornea &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
156 | More than most peers in Ophthalmology — Cornea &… |
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 2
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 4 groups
Other eye doctors in Portland 5
Same specialty, same city.
Trained at University of Colorado School of Medicine, Denver 1
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Colorado School of Medicine, Denver 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 2
Providers in OR who bill this service to Medicare most often.
Common questions
What is Dr. Chamberlain's specialty?
Dr. Chamberlain is an eye doctor in Portland, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Cornea & External Disease”.
NPI registry
Where can I find Dr. Chamberlain?
Dr. Chamberlain is listed at 3375 Sw Terwilliger Blvd, Portland, OR 97239. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chamberlain?
The number on file is (503) 494-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chamberlain's NPI number?
Dr. Chamberlain's National Provider Identifier is 1710108162. 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. Chamberlain's medical education?
Dr. Chamberlain attended University of Colorado School of Medicine, Denver, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chamberlain been practicing?
Dr. Chamberlain has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chamberlain known for?
According to Medicare billing data, Dr. Chamberlain performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and removal of outer layer of cornea; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as ct scan of cornea and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chamberlain confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chamberlain. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.