Ralph Dehaan, O.D.
NPI 1790763811 · Optometrist · Pella, IA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Dehaan, O.D. is a Optometrist provider in Pella, IA (NPI 1790763811).
Provider details
- NPI number
- 1790763811
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1831 (IA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
509 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 | 197 | $116 |
| Established Patient Problem Focused Exam of Visual System92012 | 122 | $82 |
| New Patient Complete Exam of Visual System92004 | 45 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $84 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 31 | $98 |
| New Patient Problem Focused Exam of Visual System92002 | 27 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 110 | 33 |
| Timolol Maleate | 62 | 24 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 22 | 15 |
| Dorzolamide Hcl | 20 | — |
| Brimonidine Tartrate | 18 | — |
| Fluorometholone | 15 | — |
| Prednisolone Acetate | 13 | — |
| Brimonidine Tartrate/Timolol |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-09
- Last updated
- 2012-12-12
Frequently asked questions
- What is Ralph Dehaan's NPI number?
- Ralph Dehaan's National Provider Identifier (NPI) is 1790763811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Dehaan's specialty?
- Ralph Dehaan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Ralph Dehaan located?
- Ralph Dehaan's practice location on file with NPPES is 823 Franklin St, Pella, IA 50219-1603.
- What is Ralph Dehaan's phone number?
- The practice phone number listed in the NPPES registry for Ralph Dehaan is (641) 628-9225.
- Does Ralph Dehaan accept Medicare?
- Ralph Dehaan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Dehaan's NPI active?
- Yes — Ralph Dehaan's NPI (1790763811) is active in the NPPES registry as of the last update on 2012-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.