Delmar E. Spronk, O.D.
Optometrist · Sheldon, IA
Delmar E. Spronk, O.D. is an optometrist with a practice address in Sheldon, Iowa, and NPI 1619948528, issued on Jan 30, 2006. Check the license (Iowa 1630, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Delmar E. Spronk
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1630 IA
Self-reported in NPPES; status is on the state search - Practice location
- 928 3RD Ave, Sheldon, IA 51201
- Phone
- (712) 324-2552
- Enumerated
- Jan 30, 2006
- Record last updated
- Dec 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid IDs
- 0280578 IA
1158659 IA
0158659 IA
0280586 IA - Entity
- Type 1 · individual
8 nearest optometrist records → All 676 in Iowa → Look up another NPI →
Also registered at 928 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthiew HooglandOptometrist1275996795
- Matthew Radke, O.D.Optometrist1306819560
Verify Delmar E. Spronk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 1630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Delmar E. Spronk among 676 optometrist records in Iowa
Delmar E. Spronk, 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 not. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 44% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2007 · 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).
7 optometrist records list a practice address in Sheldon
They are 7 of the 110 NPPES records with a practice address in Sheldon, and 676 optometrist records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 676 in Iowa → Every provider in Sheldon → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Madelyn Driggs, ODSheldon, IA 512011427670389
- Matthiew HooglandSheldon, IA 512011275996795
- Allen Jones, O.D.Sheldon, IA 512011942310362
- John Michels, O.D.Sheldon, IA 512011568776383
- Matthew Radke, O.D.Sheldon, IA 512011306819560
- Harlan Vander Griend, ODSheldon, IA 512011811964794
- Ryan Ackerman, O.D.Rock Rapids, IA 512461770692311
- Michael Roetman, ODRock Rapids, IA 512461063489177
Common questions
What is Delmar E. Spronk, O.D.'s NPI number?
Delmar E. Spronk, O.D.'s National Provider Identifier (NPI) is 1619948528, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Delmar E. Spronk, O.D. located?
The NPPES record lists a practice address at 928 3RD Ave, Sheldon, IA, 51201. Phone: (712) 324-2552. Providers update this record themselves, so call before visiting.
How can I verify Delmar E. Spronk, O.D.'s license?
NPPES lists Iowa license number 1630, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity 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. 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.