Isaac Gottschalk, OD
Optometrist · Marion, IN
Isaac Gottschalk, OD is an optometrist with a practice address in Marion, Indiana, and NPI 1962243121, issued on Jun 3, 2024. Check the license (Indiana 18004495A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isaac Gottschalk
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 18004495A 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
- Jun 3, 2024
- Record last updated
- Jun 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20240710003585); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 2024
- 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.
- Daniel Diedrich, O.D.Optometrist1154380673
- Alexandria Fanning, ODOptometrist1255258232
Verify Isaac Gottschalk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 18004495ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average optometrist in 2024
79 Medicare Part D claims for 44 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Prednisolone Acetate19 claims
- Latanoprost12 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: $15.03
1 payment: food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. 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
- Midwest Eye Consultants PCMarion, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Gottschalk among 1,578 optometrist records in Indiana
Isaac Gottschalk, OD 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 2024, is newer than 92% of them.
- NPI issued2024 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2024 · median 2008 among the 1,014 with a school on file
- Record last updated2024 · 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
- Daniel Diedrich, O.D.Marion, IN 469521154380673
- Alexandria Fanning, ODMarion, IN 469521255258232
- Todd Fettig, ODMarion, IN 469521326074931
- Randy Fortkamp, ODMarion, IN 469521770159337
- Melvin Frecker, O.D.Marion, IN 469521043385198
- Christopher Kerby, O.D.Marion, IN 469521124335138
- Allyson McPhearson, ODMarion, IN 469521598858052
- Holly Sallee, ODMarion, IN 469521386576619
Common questions
What is Isaac Gottschalk, OD's NPI number?
Isaac Gottschalk, OD's National Provider Identifier (NPI) is 1962243121, issued on Jun 3, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Gottschalk, OD 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 Isaac Gottschalk, OD's license?
NPPES lists Indiana license number 18004495A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Isaac Gottschalk, OD prescribe under Medicare Part D?
In 2024, Isaac Gottschalk, OD had 79 Medicare Part D claims for 44 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.