Frank Sy, D.M.D.
Periodontics · Rosemead, CA
Frank Sy, D.M.D. is a periodontics with a practice address in Rosemead, California, and NPI 1689982555, issued on Sep 14, 2010. Check the license (California 59766, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Frank Sy
- Credential
- D.M.D.
- Primary taxonomy
- Periodontics 1223P0300X
- License numbers
- 59766 CA
057811-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 9368 Valley Blvd, Rosemead, CA 91770
- Phone
- (626) 401-1988
- Enumerated
- Sep 14, 2010
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Verify Frank Sy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average periodontics in 2024
161 Medicare Part D claims for 43 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin60 claims
- Chlorhexidine Gluconate46 claims
- Ibuprofen40 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: $130.73
2 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 2,966 providers of this specialty with any payment received $1,338.41 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.
Frank Sy among 929 periodontics records in California
Frank Sy, D.M.D. is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Rosemead → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Ahmed Farid, DMDSan Dimas, CA 917731073958286
- Mohamed Kayali, D.D.S.San Dimas, CA 917731477612406
- Tobias Boehm, D.D.S, PH.D.Pomona, CA 917661235469529
- Clara Kim, D.M.D, M.SPomona, CA 917661700105681
- Glenn Chang, D.D.S.Diamond Bar, CA 917651114191251
- Jin Kim, DDS, MPH, MSDiamond Bar, CA 917651396881041
- Song KooDiamond Bar, CA 917651598924292
- Ying-Yi Chang, D.D.S., M.S.San Gabriel, CA 917761659406007
Common questions
What is Frank Sy, D.M.D.'s NPI number?
Frank Sy, D.M.D.'s National Provider Identifier (NPI) is 1689982555, issued on Sep 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Frank Sy, D.M.D. located?
The NPPES record lists a practice address at 9368 Valley Blvd, Rosemead, CA, 91770. Phone: (626) 401-1988. Providers update this record themselves, so call before visiting.
How can I verify Frank Sy, D.M.D.'s license?
NPPES lists California license number 59766, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Frank Sy, D.M.D. prescribe under Medicare Part D?
In 2024, Frank Sy, D.M.D. had 161 Medicare Part D claims for 43 beneficiaries; the average among periodontics 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.