Ralph Jacob Dehaan, O.D.
Optometrist · Pella, IA
Ralph Jacob Dehaan, O.D. is an optometrist with a practice address in Pella, Iowa, and NPI 1790763811, issued on Jan 9, 2006. Check the license (Iowa 1831, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ralph Jacob Dehaan
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1831 IA
Self-reported in NPPES; status is on the state search - Practice location
- 823 Franklin St, Pella, IA 50219
- Phone
- (641) 628-9225
- Enumerated
- Jan 9, 2006
- Record last updated
- Dec 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 0160770 IA
- Medicare enrollment
- Enrolled (PECOS I20040504001304); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1985
- Entity
- Type 1 · individual
8 nearest optometrist records → All 676 in Iowa → Look up another NPI →
Also registered at 823 Franklin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Browne, O.D.Optometrist1750643847
- Sandra Hundt, O.D.Optometrist1982682118
- Wayne Vanderleest, O.D.Optometrist1750369971
Verify Ralph Jacob Dehaan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 1831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average optometrist in 2024
309 Medicare Part D claims for 78 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost110 claims
- Timolol Maleate62 claims
- Neomycin-Polymyxin-Dexameth22 claims
- Dorzolamide Hcl20 claims
- Brimonidine Tartrate18 claims
- Fluorometholone15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Eyecare Partners PCPella, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph Jacob Dehaan among 676 optometrist records in Iowa
Ralph Jacob Dehaan, O.D. is one of 676 optometrist records with a practice address in Iowa. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 44% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1985 · median 2006 among the 462 with a school on file
- Record last updated2012 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 optometrist records list a practice address in Pella
They are 8 of the 318 NPPES records with a practice address in Pella, and 676 optometrist records in Iowa.
All 676 in Iowa → Every provider in Pella → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Rachel Browne, O.D.Pella, IA 502191750643847
- Sandra Hundt, O.D.Pella, IA 502191982682118
- Christopher Huston, ODPella, IA 502191518931674
- Michelle Jones, O.D.Pella, IA 502191023279908
- Kevin Jones, O.D.Pella, IA 502191548421423
- Andrew Ott, O.D.Pella, IA 502191013320985
- Wayne Vanderleest, O.D.Pella, IA 502191750369971
- Mark Hanson, ODPerry, IA 502201730150020
Common questions
What is Ralph Jacob Dehaan, O.D.'s NPI number?
Ralph Jacob Dehaan, O.D.'s National Provider Identifier (NPI) is 1790763811, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Jacob Dehaan, O.D. located?
The NPPES record lists a practice address at 823 Franklin St, Pella, IA, 50219. Phone: (641) 628-9225. Providers update this record themselves, so call before visiting.
How can I verify Ralph Jacob Dehaan, O.D.'s license?
NPPES lists Iowa license number 1831, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Ralph Jacob Dehaan, O.D. prescribe under Medicare Part D?
In 2024, Ralph Jacob Dehaan, O.D. had 309 Medicare Part D claims for 78 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.