Frank E. Greteman
Optometrist · Carroll, IA
Frank E. Greteman is an optometrist with a practice address in Carroll, Iowa, and NPI 1083688691, issued on Feb 13, 2006. Check the license (Iowa 01798, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Frank E. Greteman
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 01798 IA
Self-reported in NPPES; status is on the state search - Practice location
- 501 N Adams St, Carroll, IA 51401
- Phone
- (712) 792-9709
- Enumerated
- Feb 13, 2006
- Record last updated
- Sep 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (712) 792-9871
- Medicaid ID
- 0211656 IA
- Entity
- Type 1 · individual
8 nearest optometrist records → All 676 in Iowa → Look up another NPI →
Verify Frank E. Greteman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 01798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average optometrist in 2024
188 Medicare Part D claims for 46 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Timolol Maleate43 claims
- Latanoprost37 claims
- Dorzolamide-Timolol34 claims
- Travoprost22 claims
- Lumigan12 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.
Frank E. Greteman among 676 optometrist records in Iowa
Frank E. Greteman 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 fileNo · 68% of these records are
- Record last updated2013 · 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).
6 optometrist records list a practice address in Carroll
They are 6 of the 228 NPPES records with a practice address in Carroll, and 676 optometrist records in Iowa.
All 676 in Iowa → Every provider in Carroll → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Tristan Brown, O.D.Carroll, IA 514011598781007
- William McIntosh, ODCarroll, IA 514011326063173
- Jamie Ostrander, O.D.Carroll, IA 514011124015912
- Thomas Parrish, ODCarroll, IA 514011922488022
- James Richardson, ODCarroll, IA 514011922042845
- Scott Bowker, ODDenison, IA 514421891742383
- Steven Brownmiller, ODDenison, IA 514421437198710
- Nathan CornwallSpirit Lake, IA 513601316876576
Common questions
What is Frank E. Greteman's NPI number?
Frank E. Greteman's National Provider Identifier (NPI) is 1083688691, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frank E. Greteman located?
The NPPES record lists a practice address at 501 N Adams St, Carroll, IA, 51401. Phone: (712) 792-9709. Providers update this record themselves, so call before visiting.
How can I verify Frank E. Greteman's license?
NPPES lists Iowa license number 01798, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Frank E. Greteman prescribe under Medicare Part D?
In 2024, Frank E. Greteman had 188 Medicare Part D claims for 46 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.