John Douglas Coalter, O.D.
Optometrist · Michigan City, IN
John Douglas Coalter, O.D. is an optometrist with a practice address in Michigan City, Indiana, and NPI 1942306311, issued on Sep 15, 2006. Check the license (Indiana 18002563A 18002563B, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Douglas Coalter
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 18002563A 18002563B IN
Self-reported in NPPES; status is on the state search - Practice location
- 3701 Franklin St, Michigan City, IN 46360
- Phone
- (219) 872-8844
- Enumerated
- Sep 15, 2006
- Record last updated
- Oct 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (219) 874-2872
- Medicare enrollment
- Enrolled (PECOS I20121227000410); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,578 in Indiana → Look up another NPI →
Also registered at 3701 Franklin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luciana Petitti, O.D.Optometrist1750867206
Verify John Douglas Coalter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 18002563A 18002563BCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average optometrist in 2024
90 Medicare Part D claims for 42 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Latanoprost44 claims
- Neomycin-Polymyxin-Dexameth15 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $308.69
4 payments; by number, the most common kind was food and beverage; the largest payer was Apellis 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
- Boling Vision Center LLCElkhart, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Douglas Coalter among 1,578 optometrist records in Indiana
John Douglas Coalter, 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 fileYes · 64% of these records are
- Graduated1986 · median 2008 among the 1,014 with a school on file
- Record last updated2021 · 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).
10 optometrist records list a practice address in Michigan City
They are 10 of the 596 NPPES records with a practice address in Michigan City, and 1,578 optometrist records in Indiana.
All 1,578 in Indiana → Every provider in Michigan City → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Matthew Baker, O.D.Michigan City, IN 463601467587675
- Michael Bassett, O.D.Michigan City, IN 463601093785768
- Jon Bausback, O.D.Michigan City, IN 463601679543342
- Renee Collier, O.D.Michigan City, IN 463601366529158
- Julie Dabkowski, O.D.Michigan City, IN 463601659331304
- Jennifer Eberlin-Nagel, O.D.Michigan City, IN 463601023114519
- Kimberly Esposito, ODMichigan City, IN 463601871013250
- Luciana Petitti, O.D.Michigan City, IN 463601750867206
Common questions
What is John Douglas Coalter, O.D.'s NPI number?
John Douglas Coalter, O.D.'s National Provider Identifier (NPI) is 1942306311, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Douglas Coalter, O.D. located?
The NPPES record lists a practice address at 3701 Franklin St, Michigan City, IN, 46360. Phone: (219) 872-8844. Providers update this record themselves, so call before visiting.
How can I verify John Douglas Coalter, O.D.'s license?
NPPES lists Indiana license number 18002563A 18002563B, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does John Douglas Coalter, O.D. prescribe under Medicare Part D?
In 2024, John Douglas Coalter, O.D. had 90 Medicare Part D claims for 42 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is John Douglas Coalter, O.D.'s MIPS final score?
The 2023 MIPS final score is 90.4 of 100, reported for the practice group. 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.