Robert J. Roggensack, OD
Optometrist · Osage, IA
Robert J. Roggensack, OD is an optometrist with a practice address in Osage, Iowa, and NPI 1891887410, issued on Sep 29, 2006. Check the license (Iowa 01851, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert J. Roggensack
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 01851 IA
Self-reported in NPPES; status is on the state search - Practice location
- 620 N 8TH St, Osage, IA 50461
- Phone
- (641) 723-6100
- Enumerated
- Sep 29, 2006
- Record last updated
- May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (641) 723-6108
- Medicaid ID
- 0250357 IA
- Entity
- Type 1 · individual
Also registered at 620 N 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Colleen Byrnes, ARNPNurse Practitioner1942286422
- Mark Haganman, DOFamily Medicine Physician1801988415
- Benson Hargens, MDFamily Medicine Physician1417330069
- Jean Lunde, PAPhysician Assistant1912099524
- Jeffrey Nasstrom, DOFamily Medicine Physician1710079322
- Julie Potter, APRNFamily Nurse Practitioner1083751028
Verify Robert J. Roggensack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 01851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average optometrist in 2024
41 Medicare Part D claims for 15 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Doxycycline Monohydrate12 claims
- Restasis Multidose11 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.
1 optometrist records list a practice address in Osage
They are 1 of the 27 NPPES records with a practice address in Osage, and 676 optometrist records in Iowa.
Other optometrist records in Iowa
- Ryan Ackerman, O.D.Rock Rapids, IA1770692311
- Katie Adams, ODWest Union, IA1710500251
- Paul Ahern, O.D.Dyersville, IA1104892116
- George Alberhasky, O.D., P.C.Iowa City, IA1013036425
- Troy Albrecht, ODMarion, IA1053392522
- Steven Aljets, O.D.West Des Moines, IA1790745602
- Daniel Alletto, ODCenterville, IA1043668700
- John Altfillisch, ODOttumwa, IA1154420172
- Mark Altfillisch, ODOttumwa, IA1093814014
- Jeffrey Anderson, O.D.Boone, IA1760466098
Common questions
What is Robert J. Roggensack, OD's NPI number?
Robert J. Roggensack, OD's National Provider Identifier (NPI) is 1891887410, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Roggensack, OD located?
The NPPES record lists a practice address at 620 N 8TH St, Osage, IA, 50461. Phone: (641) 723-6100. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Roggensack, OD's license?
NPPES lists Iowa license number 01851, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Robert J. Roggensack, OD prescribe under Medicare Part D?
In 2024, Robert J. Roggensack, OD had 41 Medicare Part D claims for 15 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.