John C. Coen, O.D.
Optometrist · Rocklin, CA
John C. Coen, O.D. is an optometrist with a practice address in Rocklin, California, and NPI 1174615793, issued on Sep 29, 2006. Check the license (California 9390, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John C. Coen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9390 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6809 Five Star Blvd, Rocklin, CA 95677
- Phone
- (916) 624-2020
- Enumerated
- Sep 29, 2006
- Record last updated
- Sep 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (916) 624-3027
- Medicare enrollment
- Enrolled (PECOS I20041110001291); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 1989
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 6809 Five Star Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Alexander, DDS, MSOrthodontics and Dentofacial Orthopedics Dentistry1437323862
- Scott Gittins, O.D.Optometrist1548352131
Verify John C. Coen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9390Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average optometrist in 2024
54 Medicare Part D claims for 30 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of 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: $1,336.05
28 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Eye Center Optometrics A Professional CorporationRocklin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Coen among 8,308 optometrist records in California
John C. Coen, O.D. is one of 8,308 optometrist records with a practice address in California. 67% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1989 · median 2008 among the 3,573 with a school on file
- Record last updated2012 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Rocklin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- David Chan, O.D.Rocklin, CA 956771801971981
- Scott Gittins, O.D.Rocklin, CA 956771548352131
- Katherine Arbegast, O.D.Roseville, CA 956781700933587
- Veronica Barber, O.D.Roseville, CA 956781700859311
- John Baskett, O.D.Roseville, CA 956781689767626
- Van Harris, O.D.Roseville, CA 956781487700761
- Ronald Ichikawa, O.D.Roseville, CA 956781477606804
- Jay Kaze, O.D.Roseville, CA 956781841225497
Common questions
What is John C. Coen, O.D.'s NPI number?
John C. Coen, O.D.'s National Provider Identifier (NPI) is 1174615793, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Coen, O.D. located?
The NPPES record lists a practice address at 6809 Five Star Blvd, Rocklin, CA, 95677. Phone: (916) 624-2020. Providers update this record themselves, so call before visiting.
How can I verify John C. Coen, O.D.'s license?
NPPES lists California license number 9390, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John C. Coen, O.D. prescribe under Medicare Part D?
In 2024, John C. Coen, O.D. had 54 Medicare Part D claims for 30 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.