Paul Chamberlain
NPI 1922595636 · Ophthalmology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Chamberlain is a Ophthalmology Physician provider in Spokane, WA (NPI 1922595636).
Provider details
- NPI number
- 1922595636
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,714 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 529 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 448 | $118 |
| Established Patient Complete Exam of Visual System92014 | 394 | $115 |
| Exam of Visual Field With Extended Testing92083 | 385 | $58 |
| Imaging of Optic Nerve92133 | 270 | $33 |
| Imaging of Retina92134 | 111 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 993 | 401 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 486 | 175 |
| Prednisolone Acetate | 407 | 267 |
| Moxifloxacin Hclbrand: Moxifloxacin | 354 | 231 |
| Brimonidine Tartrate | 322 | 139 |
| Timolol Maleate | 241 | 108 |
| Ketorolac Tromethamine | 168 | 129 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$993 across 30 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-18
- Last updated
- 2022-06-15
- Certified
- 2022-06-15
Frequently asked questions
- What is Paul Chamberlain's NPI number?
- Paul Chamberlain's National Provider Identifier (NPI) is 1922595636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Chamberlain's specialty?
- Paul Chamberlain is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Chamberlain located?
- Paul Chamberlain's practice location on file with NPPES is 101 W 8th Ave, Spokane, WA 99204-2307.
- What is Paul Chamberlain's phone number?
- The practice phone number listed in the NPPES registry for Paul Chamberlain is (509) 474-3020.
- Does Paul Chamberlain accept Medicare?
- Paul Chamberlain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Chamberlain's NPI active?
- Yes — Paul Chamberlain's NPI (1922595636) is active in the NPPES registry as of the last update on 2022-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.