John Douglas Coalter, OD
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 90
- MIPS score, 2024
- 92
- Industry payments
- $69
- Affiliated sites
- 5
- Practice address
- 2746 Old Us Highway 20 West, Elkhart, IN 46514
- Practice phone
- Call (574) 293-8366
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
INSIGHT Surgery Center - Elkhart
Surgery Center - Medicare-Certified · Elkhart, Indiana
Find John Coalter's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Douglas Coalter is an optometrist in Elkhart, Indiana
John Coalter practices at INSIGHT Surgery Center - Elkhart in Elkhart, Indiana.
John Coalter's NPI, 1942306311, was assigned on September 15, 2006. John Coalter holds Indiana license 18002563A 18002563B.
- NPI
- 1942306311NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335177682
- NPI enumeration date
- September 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 293-8366
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Douglas Coalter practices at INSIGHT Surgery Center - Elkhart in Elkhart, Indiana
John Coalter's primary practice is INSIGHT Surgery Center - Elkhart, at 2746 Old Us Highway 20 West, Elkhart, IN 46514. The practice phone is (574) 293-8366.
- INSIGHT Surgery Center - Elkhart2746 Old Us Highway 20 West, Elkhart, IN 46514Phone(574) 293-8366
Source: Dmand AI Affiliation Data
John Douglas Coalter is affiliated with 5 sites of care and 4 medical groups
John Coalter's primary practice is INSIGHT Surgery Center - Elkhart in Elkhart, Indiana. Dmand AI also links John Coalter to 4 group practices and clinics and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Douglas Coalter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Coalter practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| INSIGHT Surgery Center - Elkhart | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John Douglas Coalter is one of 1,172 optometrists in Indiana
Optometrist is John Coalter's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Coalter is licensed in Indiana.
Specialties and state licenses
- Optometrist, IndianaPrimary
Optometrists near John Coalter
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Douglas Coalter treated 179 Medicare patients in 2024, average age 74
CMS counts 179 Medicare patients who saw John Coalter in 2024. The largest group is 65 to 74, with 94 patients. 72% of them have high cholesterol, and 70% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Coalter's median patient age at 72, with 60% women.
John Coalter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Coalter's Medicare patients by sex, 2024
- Women10961%
- Men7039%
Chronic conditions among John Coalter's Medicare patients, 2024
- High cholesterol72%
- High blood pressure70%
- Arthritis34%
- Diabetes28%
- Ischemic heart disease27%
- Anxiety23%
- Mood disorders23%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
John Coalter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Douglas Coalter wrote 90 Medicare Part D claims in 2024
In 2024, John Coalter wrote 90 Medicare Part D claims for 42 patients. 79% of them were for generic drugs.
John Coalter's Part D claims by kind of drug, 2024
- Generic71 claims79%
- Brand-name19 claims21%
Drug classes CMS tracks in John Coalter's Part D claims, 2024
- Antibiotics13%12 of 90 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
John Douglas Coalter scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for John Coalter for performance year 2024, reported as part of a group. John Coalter accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
John Coalter's MIPS scores, performance year 2024
- 92of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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John Douglas Coalter received $69 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Coalter from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $40.
Companies that paid John Coalter the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John Douglas Coalter's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Douglas Coalter
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Douglas Coalter's NPI number?
John Douglas Coalter's NPI number is 1942306311. It was assigned on September 15, 2006, and it is active in the NPI Registry.
What does John Douglas Coalter specialize in?
John Douglas Coalter is an optometrist in Elkhart, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Douglas Coalter practice?
John Coalter practices at 2746 Old Us Highway 20 West, Elkhart, IN 46514. John Coalter's primary practice is INSIGHT Surgery Center - Elkhart in Elkhart, Indiana. Dmand AI also links John Coalter to 4 group practices and clinics and 4 medical groups.
What is John Douglas Coalter's office phone number?
The practice phone on file for John Coalter is (574) 293-8366.
What is John Douglas Coalter's medical license number?
John Coalter holds Indiana license 18002563A 18002563B.
Does John Douglas Coalter accept Medicare?
Yes. CMS lists John Coalter as accepting Medicare assignment.
What is John Douglas Coalter's MIPS score?
John Coalter's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does John Douglas Coalter see?
CMS counts 179 Medicare patients who saw John Coalter in 2024, with an average age of 74.
Has John Douglas Coalter received payments from drug or device companies?
CMS Open Payments shows $69 in general payments to John Coalter from 2 companies from 2025 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has John Douglas Coalter been practicing?
John Coalter graduated from medical school in 1986, 40 years ago.
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