Daniel D. Diedrich, O.D.
Optometrist · Marion, IN
Daniel D. Diedrich, O.D. is an optometrist with a practice address in Marion, Indiana, and NPI 1154380673, issued on Mar 22, 2006. Check the license (Indiana 18002338A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel D. Diedrich
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 18002338A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1400 N Baldwin Ave, Marion, IN 46952
- Phone
- (765) 664-6148
- Enumerated
- Mar 22, 2006
- Record last updated
- Aug 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (765) 664-9782
- Medicaid ID
- 1000094740 IN
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,578 in Indiana → Look up another NPI →
Also registered at 1400 N Baldwin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandria Fanning, ODOptometrist1255258232
- Isaac Gottschalk, ODOptometrist1962243121
Verify Daniel D. Diedrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 18002338ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average optometrist in 2024
817 Medicare Part D claims for 280 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost235 claims
- Azelastine Hcl188 claims
- Prednisolone Acetate98 claims
- Restasis64 claims
- Timolol Maleate38 claims
- Brimonidine Tartrate34 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $150.00
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Glaukos Corporation. 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.
Daniel D. Diedrich among 1,578 optometrist records in Indiana
Daniel D. Diedrich, O.D. is one of 1,578 optometrist records with a practice address in Indiana. 73% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2018 · 66% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 optometrist records list a practice address in Marion
They are 20 of the 1,276 NPPES records with a practice address in Marion, and 1,578 optometrist records in Indiana.
All 1,578 in Indiana → Every provider in Marion → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Alexandria Fanning, ODMarion, IN 469521255258232
- Todd Fettig, ODMarion, IN 469521326074931
- Randy Fortkamp, ODMarion, IN 469521770159337
- Melvin Frecker, O.D.Marion, IN 469521043385198
- Isaac Gottschalk, ODMarion, IN 469521962243121
- Christopher Kerby, O.D.Marion, IN 469521124335138
- Allyson McPhearson, ODMarion, IN 469521598858052
- Holly Sallee, ODMarion, IN 469521386576619
Common questions
What is Daniel D. Diedrich, O.D.'s NPI number?
Daniel D. Diedrich, O.D.'s National Provider Identifier (NPI) is 1154380673, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel D. Diedrich, O.D. located?
The NPPES record lists a practice address at 1400 N Baldwin Ave, Marion, IN, 46952. Phone: (765) 664-6148. Providers update this record themselves, so call before visiting.
How can I verify Daniel D. Diedrich, O.D.'s license?
NPPES lists Indiana license number 18002338A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel D. Diedrich, O.D. prescribe under Medicare Part D?
In 2024, Daniel D. Diedrich, O.D. had 817 Medicare Part D claims for 280 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Daniel D. Diedrich, O.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.