Sai Si One, MD
Family Medicine Physician · Brooklyn, NY
Sai Si One, MD is a family medicine physician with a practice address in Brooklyn, New York, and NPI 1770756108, issued on Apr 7, 2008. Check the license (New York 257764, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sai Si One
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 257764 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5616 - 6TH Avenue, Brooklyn, NY 11220
- Phone
- (718) 439-5440
- Enumerated
- Apr 7, 2008
- Record last updated
- May 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (718) 567-9772
- Medicaid ID
- 03247692 NY
- Medicare enrollment
- Enrolled (PECOS I20101018000505); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Verify Sai Si One in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 257764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
45 Medicare Part D claims for 13 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Atorvastatin Calcium13 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.
Bills Medicare through one group practice
- New York City Health And Hospitals CorporationBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sai Si One among 6,417 family medicine physician records in New York
Sai Si One, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2007 among the 4,188 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
500 family medicine physician records list a practice address in Brooklyn
They are 500 of the 64,057 NPPES records with a practice address in Brooklyn, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Brooklyn → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jonathan Chang, M.D.Brooklyn, NY 112201114968385
- Laura Grady, DOBrooklyn, NY 112201396856977
- Charles Harewood, M.D.Brooklyn, NY 112201477535805
- Juana Hernandez, MDBrooklyn, NY 112201851392856
- John Hon, DOBrooklyn, NY 112201184602849
- Bella Levin, MDBrooklyn, NY 112201598789935
- Claudia Lyon, D.O.Brooklyn, NY 112201316054075
- Shahla MallickBrooklyn, NY 112201861506818
Common questions
What is Sai Si One, MD's NPI number?
Sai Si One, MD's National Provider Identifier (NPI) is 1770756108, issued on Apr 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sai Si One, MD located?
The NPPES record lists a practice address at 5616 - 6TH Avenue, Brooklyn, NY, 11220. Phone: (718) 439-5440. Providers update this record themselves, so call before visiting.
How can I verify Sai Si One, MD's license?
NPPES lists New York license number 257764, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sai Si One, MD prescribe under Medicare Part D?
In 2024, Sai Si One, MD had 45 Medicare Part D claims for 13 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.