Physician Profile
Winston D. Chamberlain, MD, PhD
Unclaimed ProfileAbout 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'.
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.
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
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
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
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 |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
18 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
13 |
| Removal of outer layer of cornea | Procedure | 65435 |
12 |
| Transplantation of outer layer of corneal tissue | Procedure | 65756 |
11 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
57 |
| Ct scan of cornea | Treatment | 92025 |
76 |
| Imaging of retina | Treatment | 92134 |
64 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
29 |
| Photography of content of eyes | Treatment | 92285 |
22 |
| 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 |
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 — 22 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 8
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.