Cassian Kaishun Li
Obstetrics & Gynecology Physician · Brooklyn, NY
Cassian Kaishun Li is an obstetrics & gynecology physician with a practice address in Brooklyn, New York, and NPI 1407862493, issued on Jul 31, 2006. Check the license (New York 116791, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Cassian Kaishun Li
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 116791 NY
Self-reported in NPPES; status is on the state search - Practice location
- 882 56TH St, Brooklyn, NY 11220
- Phone
- (718) 686-8000
- Enumerated
- Jul 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120307000083); may accept Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1972
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 882 56TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex Wei, M.D.Obstetrics & Gynecology Physician1649248394
Verify Cassian Kaishun Li 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 116791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
124 Medicare Part D claims for 45 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluconazole18 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
- L'Refuah Medical And Rehabilitation Center, Inc.Brooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassian Kaishun Li among 3,174 obstetrics & gynecology physician records in New York
Cassian Kaishun Li is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1972 · median 2002 among the 1,870 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New York
There are 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Brooklyn → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Sayedeh-Fatemeh Abhary, M.D.Brooklyn, NY 112201194891960
- Sonia Go, M.D.Brooklyn, NY 112201700973401
- Hye-Chun Hur, MDBrooklyn, NY 112201043283773
- Vuy Li, M.D.Brooklyn, NY 112201053331041
- Donald Morrish, M.D.Brooklyn, NY 112201154377570
- Savita Mukherjee, M.D.Brooklyn, NY 112201144361189
- Sushanta Mukherjee, M.D.Brooklyn, NY 112201942343959
- Husam Rimawi, MDBrooklyn, NY 112201063519304
Common questions
What is Cassian Kaishun Li's NPI number?
Cassian Kaishun Li's National Provider Identifier (NPI) is 1407862493, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cassian Kaishun Li located?
The NPPES record lists a practice address at 882 56TH St, Brooklyn, NY, 11220. Phone: (718) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Cassian Kaishun Li's license?
NPPES lists New York license number 116791, 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 Cassian Kaishun Li prescribe under Medicare Part D?
In 2024, Cassian Kaishun Li had 124 Medicare Part D claims for 45 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.