Daniel James Koenig, O.D.
Optometrist · Ames, IA
Daniel James Koenig, O.D. is an optometrist with a practice address in Ames, Iowa, and NPI 1235129917, issued on Oct 25, 2005. Check the license (Iowa 002179, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel James Koenig
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 002179 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 West Lincoln Way, Ames, IA 50010
- Phone
- (515) 663-4888
- Enumerated
- Oct 25, 2005
- Record last updated
- Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (515) 956-4199
- Medicaid ID
- 0211417 IA
- Medicare enrollment
- Enrolled (PECOS I20071207000797); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1999
- Entity
- Type 1 · individual
8 nearest optometrist records → All 676 in Iowa → Look up another NPI →
Verify Daniel James Koenig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 002179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average optometrist in 2024
304 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 29% of claims.
Most prescribed
- Latanoprost178 claims
- Timolol Maleate23 claims
- Neomycin-Polymyxin-Dexameth19 claims
- Dorzolamide-Timolol18 claims
- Prednisolone Acetate17 claims
- Combigan12 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.
Industry payments in 2024: $549.50
31 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mcfarland Clinic PCAmes, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel James Koenig among 676 optometrist records in Iowa
Daniel James Koenig, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2006 among the 462 with a school on file
- Record last updated2020 · 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).
Optometrist providers in Iowa
There are 676 optometrist records in Iowa.
All 676 in Iowa → Every provider in Ames → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Matthew Donner, O.D.Ames, IA 500101275761793
- Daniel Draayer, ODAmes, IA 500101306810627
- Chad Gidel, ODAmes, IA 500101316939127
- Connor Haugen, ODAmes, IA 500101417529793
- Carrie Koenig, O.D.Ames, IA 500101881684652
- Michael Kruger, O.D.Ames, IA 500101851383111
- John Kruger, O.D.Ames, IA 500101548253586
- Julie Larson, O.D.Ames, IA 500101730149410
Common questions
What is Daniel James Koenig, O.D.'s NPI number?
Daniel James Koenig, O.D.'s National Provider Identifier (NPI) is 1235129917, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel James Koenig, O.D. located?
The NPPES record lists a practice address at 3600 West Lincoln Way, Ames, IA, 50010. Phone: (515) 663-4888. Providers update this record themselves, so call before visiting.
How can I verify Daniel James Koenig, O.D.'s license?
NPPES lists Iowa license number 002179, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel James Koenig, O.D. prescribe under Medicare Part D?
In 2024, Daniel James Koenig, O.D. had 304 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.