John C. Coen, OD
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 54
- Industry payments
- $404
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 3800 Kilroy Airport Way, Long Beach, CA 90806
- Practice phone
- Call (916) 852-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eyecenter Optometric
Long Beach, California
Find John Coen'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 C. Coen is an optometrist in Long Beach, California
John Coen practices at Eyecenter Optometric in Long Beach, California.
John Coen's NPI, 1174615793, was assigned on September 29, 2006. John Coen graduated from University of Missouri St Louis - School of Optometry in 1989. John Coen holds California license 9390.
- NPI
- 1174615793NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567431778
- NPI enumeration date
- September 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 852-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John C. Coen practices at Eyecenter Optometric in Long Beach, California
John Coen's primary practice is Eyecenter Optometric, at 3800 Kilroy Airport Way, Long Beach, CA 90806 in Los Angeles County. The practice phone is (916) 852-1600.
- Eyecenter Optometric3800 Kilroy Airport Way, Long Beach, CA 90806 · Los Angeles CountyPhone(916) 852-1600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John C. Coen is affiliated with 3 sites of care and 2 medical groups
John Coen's primary practice is Eyecenter Optometric in Long Beach, California. Dmand AI also links John Coen to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John C. Coen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Coen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eyecenter Optometric | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John C. Coen is one of 7,206 optometrists in California
Optometrist is John Coen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Coen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Coen
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 C. Coen treated 94 Medicare patients in 2024, average age 76
CMS counts 94 Medicare patients who saw John Coen in 2024. The largest group is 65 to 74, with 40 patients. 69% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Coen's median patient age at 73, with 61% women.
John Coen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Coen's Medicare patients by sex, 2024
- Women5963%
- Men3537%
Chronic conditions among John Coen's Medicare patients, 2024
- High blood pressure69%
- High cholesterol69%
- Arthritis53%
- Diabetes26%
- Ischemic heart disease24%
- Anxiety23%
- Atrial fibrillation18%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
John Coen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John C. Coen wrote 54 Medicare Part D claims in 2024
In 2024, John Coen wrote 54 Medicare Part D claims for 30 patients. 33% of them were for generic drugs.
John Coen's Part D claims by kind of drug, 2024
- Generic18 claims33%
- Brand-name36 claims67%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John C. Coen takes part in Medicare
John Coen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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John C. Coen received $404 in industry payments in 2025
CMS Open Payments shows 12 general payments to John Coen from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $206.
Companies that paid John Coen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John C. Coen graduated from University of Missouri St Louis - School of Optometry
John Coen graduated from University of Missouri St Louis - School of Optometry in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John C. Coen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 C. Coen
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 C. Coen's NPI number?
John C. Coen's NPI number is 1174615793. It was assigned on September 29, 2006, and it is active in the NPI Registry.
What does John C. Coen specialize in?
John C. Coen is an optometrist in Long Beach, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John C. Coen practice?
John Coen practices at 3800 Kilroy Airport Way, Long Beach, CA 90806. John Coen's primary practice is Eyecenter Optometric in Long Beach, California. Dmand AI also links John Coen to 2 group practices and clinics and 2 medical groups.
What is John C. Coen's office phone number?
The practice phone on file for John Coen is (916) 852-1600.
What is John C. Coen's medical license number?
John Coen holds California license 9390.
Does John C. Coen accept Medicare?
Yes. CMS lists John Coen as accepting Medicare assignment.
How many Medicare patients does John C. Coen see?
CMS counts 94 Medicare patients who saw John Coen in 2024, with an average age of 76.
Where did John C. Coen go to medical school?
John Coen graduated from University of Missouri St Louis - School of Optometry in 1989.
Has John C. Coen received payments from drug or device companies?
CMS Open Payments shows $404 in general payments to John Coen from 4 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has John C. Coen been practicing?
John Coen graduated from medical school in 1989, 37 years ago.
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