Carla Diane Barnett, O.D.
Optometrist · Newport Beach, CA
Carla Diane Barnett, O.D. is an optometrist with a practice address in Newport Beach, California, and NPI 1902922636, issued on Mar 22, 2007. Check the license (California OPT6866TPA, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carla Diane Barnett
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT6866TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Newport Center Dr Ste 404, Newport Beach, CA 92660
- Phone
- (949) 640-2023
- Enumerated
- Mar 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 400 Newport Center Dr Ste 404
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Garbutt, M.D.Ophthalmology Physician1083755060
Verify Carla Diane Barnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT6866TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average optometrist in 2024
73 Medicare Part D claims for 41 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth29 claims
- Tobramycin-Dexamethasone15 claims
- Doxycycline Hyclate12 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: $375.27
6 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, 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.
Carla Diane Barnett among 8,308 optometrist records in California
Carla Diane Barnett, 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 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 Newport Beach → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Hawaa Ali, O.D.Newport Beach, CA 926601194955849
- Lillian Bertram, O.D.Newport Beach, CA 926601881787836
- Cindy Blancq, O.D.Newport Beach, CA 926601831283472
- Michael Bold, ODNewport Beach, CA 926601346349909
- Matthew Brown, O.D.Newport Beach, CA 926601023238961
- Tamara Gee, ODNewport Beach, CA 926601700105582
- Samaneh Hashemian, O.D.Newport Beach, CA 926601801142245
- Thuy Hua Jung, O.D.Newport Beach, CA 926601871615328
Common questions
What is Carla Diane Barnett, O.D.'s NPI number?
Carla Diane Barnett, O.D.'s National Provider Identifier (NPI) is 1902922636, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carla Diane Barnett, O.D. located?
The NPPES record lists a practice address at 400 Newport Center Dr Ste 404, Newport Beach, CA, 92660. Phone: (949) 640-2023. Providers update this record themselves, so call before visiting.
How can I verify Carla Diane Barnett, O.D.'s license?
NPPES lists California license number OPT6866TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carla Diane Barnett, O.D. prescribe under Medicare Part D?
In 2024, Carla Diane Barnett, O.D. had 73 Medicare Part D claims for 41 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.