Ricky James Greenfield, O.D.
Optometrist · Keokuk, IA
Ricky James Greenfield, O.D. is an optometrist with a practice address in Keokuk, Iowa, and NPI 1124190343, issued on Nov 14, 2006. Check the license (Iowa 01922, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ricky James Greenfield
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 01922 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3341 Main St, Keokuk, IA 52632
- Phone
- (319) 524-3892
- Enumerated
- Nov 14, 2006
- Record last updated
- Oct 31, 2023
- Fax
- (319) 524-3892
- Medicaid ID
- 0013771 IA
- Medicare enrollment
- Enrolled (PECOS I20041108001219); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1990
- Entity
- Type 1 · individual
8 nearest optometrist records → All 676 in Iowa → Look up another NPI →
Verify Ricky James Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 01922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average optometrist in 2024
455 Medicare Part D claims for 152 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
- Latanoprost184 claims
- Neomycin-Polymyxin-Dexameth70 claims
- Dorzolamide-Timolol32 claims
- Prednisolone Acetate30 claims
- Brimonidine Tartrate25 claims
- Timolol Maleate18 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.
The MIPS final score for 2023 (Medicare payment program): 50 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Ricky James Greenfield among 676 optometrist records in Iowa
Ricky James Greenfield, 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
- Graduated1990 · median 2006 among the 462 with a school on file
- Record last updated2023 · 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).
2 optometrist records list a practice address in Keokuk
They are 2 of the 125 NPPES records with a practice address in Keokuk, and 676 optometrist records in Iowa.
All 676 in Iowa → Every provider in Keokuk → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Steven Thibon, O.D.Keokuk, IA 526321295764934
- Calvin Daack, ODFort Madison, IA 526271386319705
- Kristin Maus, O.D.Fort Madison, IA 526271295714145
- Larry Peck, ODFort Madison, IA 526271730174129
- Larry Smith, O.D.Fort Madison, IA 526271023083326
- Carolyn Smith, O.D.Fort Madison, IA 526271578538245
- Derek Vogelpohl, O.D.Fort Madison, IA 526271073951612
- Megan Hangartner, O.D.Mt Pleasant, IA 526411619382058
Common questions
What is Ricky James Greenfield, O.D.'s NPI number?
Ricky James Greenfield, O.D.'s National Provider Identifier (NPI) is 1124190343, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ricky James Greenfield, O.D. located?
The NPPES record lists a practice address at 3341 Main St, Keokuk, IA, 52632. Phone: (319) 524-3892. Providers update this record themselves, so call before visiting.
How can I verify Ricky James Greenfield, O.D.'s license?
NPPES lists Iowa license number 01922, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Ricky James Greenfield, O.D. prescribe under Medicare Part D?
In 2024, Ricky James Greenfield, O.D. had 455 Medicare Part D claims for 152 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Ricky James Greenfield, O.D.'s MIPS final score?
The 2023 MIPS final score is 50 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.