Diana Ngo, OD
Optometrist · Southport, CT
Diana Ngo, OD is an optometrist with a practice address in Southport, Connecticut, and NPI 1811633217, issued on May 9, 2022. Check the license (Connecticut 3223, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Ngo
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3223 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2600 Post RD Ste 210, Southport, CT 06890
- Phone
- (203) 255-4005
- Enumerated
- May 9, 2022
- Record last updated
- May 9, 2022
- Entity
- Type 1 · individual
Verify Diana Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 3223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average optometrist in 2024
20 Medicare Part D claims for 18 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $80.32
2 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.
6 optometrist records list a practice address in Southport
They are 6 of the 127 NPPES records with a practice address in Southport, and 675 optometrist records in Connecticut.
All 6 in Southport → All 675 in Connecticut → Every provider in Southport →
Other optometrist records in Connecticut
- Annemarie Abramson, O.D.Waterbury, CT1720194764
- Aylin Adem, ODNaugatuck, CT1407514631
- George Adrian, O.D.Groton, CT1659337145
- Douglas Agranov, O.D.Madison, CT1952364465
- Shraiy AgrawalGuilford, CT1194565903
- Christopher Agro, O.D.Enfield, CT1912977380
- Shefali Ahmadi, ODDarien, CT1730656943
- Haajra Ahmed, ODManchester, CT1972164010
- Amara Akbar, ODSouthbury, CT1558918144
- Janine Albanese, O.D.Wallingford, CT1174964076
Common questions
What is Diana Ngo, OD's NPI number?
Diana Ngo, OD's National Provider Identifier (NPI) is 1811633217, issued on May 9, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Diana Ngo, OD located?
The NPPES record lists a practice address at 2600 Post RD Ste 210, Southport, CT, 06890. Phone: (203) 255-4005. Providers update this record themselves, so call before visiting.
How can I verify Diana Ngo, OD's license?
NPPES lists Connecticut license number 3223, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Ngo, OD prescribe under Medicare Part D?
In 2024, Diana Ngo, OD had 20 Medicare Part D claims for 18 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.