Eng Ann Sung, OD
Optometrist · San Diego, CA
Eng Ann Sung, OD is an optometrist with a practice address in San Diego, California, and NPI 1912533134, issued on Mar 19, 2020. Check the license (California 34533, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eng Ann Sung
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 34533 CA
10081 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8225 Guppy CT, San Diego, CA 92129
- Phone
- (858) 527-5882
- Enumerated
- Mar 19, 2020
- Record last updated
- Aug 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211115000636); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2020
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 8225 Guppy CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Young Sung, PHARMD.Pharmacist1477894855
Verify Eng Ann Sung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average optometrist in 2024
23 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% 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: $671.39
12 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. 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
- Wan And Mashouf Optometric Corp PCSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eng Ann Sung among 8,308 optometrist records in California
Eng Ann Sung, OD 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 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2020 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 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 San Diego → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Barbara Bytomski, O.D.San Diego, CA 921291932152816
- Pei Chi ChainSan Diego, CA 921291730676727
- Joel Cook, O.D.San Diego, CA 921291245285485
- Rachelle Edstrom, O.D.San Diego, CA 921291922080720
- Michelle Gan, ODSan Diego, CA 921291730114711
- Manel Lamouchi, O.D.San Diego, CA 921291063853083
- Victoria Nguyen, O.D.San Diego, CA 921291619468709
- Kevin Reeder, O.D.San Diego, CA 921291982650867
Common questions
What is Eng Ann Sung, OD's NPI number?
Eng Ann Sung, OD's National Provider Identifier (NPI) is 1912533134, issued on Mar 19, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Eng Ann Sung, OD located?
The NPPES record lists a practice address at 8225 Guppy CT, San Diego, CA, 92129. Phone: (858) 527-5882. Providers update this record themselves, so call before visiting.
How can I verify Eng Ann Sung, OD's license?
NPPES lists California license number 34533, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eng Ann Sung, OD prescribe under Medicare Part D?
In 2024, Eng Ann Sung, OD had 23 Medicare Part D claims; 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.