James Wentzien, M.D.
NPI 1629171954 · Ophthalmology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Wentzien, M.D. is a Ophthalmology Physician provider in Portland, OR (NPI 1629171954).
Provider details
- NPI number
- 1629171954
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- OR MD17537 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
969 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 148 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 139 | $67 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 130 | $31 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 120 | $566 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $101 |
| Imaging of Optic Nerve92133 | 82 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 269 | 160 |
| Diclofenac Sodium | 248 | 148 |
| Latanoprost | 220 | 75 |
| Erythromycin Basebrand: Erythromycin | 84 | 31 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 54 | 21 |
| Timolol Maleate | 44 | 19 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 20 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Wentzien's NPI number?
- James Wentzien's National Provider Identifier (NPI) is 1629171954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wentzien's specialty?
- James Wentzien is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Wentzien located?
- James Wentzien's practice location on file with NPPES is 12100 Se Stevens Ct., Ste 106, Portland, OR 97266-7266.
- What is James Wentzien's phone number?
- The practice phone number listed in the NPPES registry for James Wentzien is (503) 653-1442.
- Does James Wentzien accept Medicare?
- James Wentzien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Wentzien's NPI active?
- Yes — James Wentzien's NPI (1629171954) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.