Florence Shum, D.O.
Neurology Physician · Brooklyn, NY
Florence Shum, D.O. is a neurology physician with a practice address in Brooklyn, New York, and NPI 1336378850, issued on Jul 6, 2009. Check the license (New York 254138, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Florence Shum
- Credential
- D.O.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 254138 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8321 20TH Ave, Brooklyn, NY 11214
- Phone
- (718) 996-9888
- Enumerated
- Jul 6, 2009
- Record last updated
- Feb 12, 2026
- Medicare enrollment
- Enrolled (PECOS I20101103000474); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,778 in New York → Look up another NPI →
Also registered at 8321 20TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Athena Cai, PAPhysician Assistant1083057608
- Michelle Twito, PA-CPhysician Assistant1235472986
Verify Florence Shum 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 254138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average neurology physician in 2024
4,970 Medicare Part D claims for 875 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin465 claims
- Donepezil Hcl463 claims
- Carbidopa-Levodopa341 claims
- Lidocaine287 claims
- Sertraline Hcl286 claims
- Memantine Hcl167 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: $7,322.69
147 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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 2 group practices
- NY Neurocare Medical Services, PLLCBrooklyn, NY
- Sports And Orthopedic Rehabilitation Services IncSarasota, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Florence Shum among 1,778 neurology physician records in New York
Florence Shum, D.O. is one of 1,778 neurology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2005 · median 2004 among the 1,238 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in New York
There are 1,778 neurology physician records in New York.
All 1,778 in New York → Every provider in Brooklyn → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Muhammad Umar AzamBrooklyn, NY 112141083342471
- Esther Baldinger, MDBrooklyn, NY 112141508904095
- Adina Alport, MDBrooklyn, NY 112151265401400
- Jeffrey Benjamin, MDBrooklyn, NY 112151740274588
- Karen Blitz-Shabbir, DOBrooklyn, NY 112151275562894
- Cary BucknerBrooklyn, NY 112151568431625
- Joseph Casarona, M.D.Brooklyn, NY 112151265514996
- Natalie Cheng, M.D.Brooklyn, NY 112151295046092
Common questions
What is Florence Shum, D.O.'s NPI number?
Florence Shum, D.O.'s National Provider Identifier (NPI) is 1336378850, issued on Jul 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Florence Shum, D.O. located?
The NPPES record lists a practice address at 8321 20TH Ave, Brooklyn, NY, 11214. Phone: (718) 996-9888. Providers update this record themselves, so call before visiting.
How can I verify Florence Shum, D.O.'s license?
NPPES lists New York license number 254138, 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 Florence Shum, D.O. prescribe under Medicare Part D?
In 2024, Florence Shum, D.O. had 4,970 Medicare Part D claims for 875 beneficiaries; the average among neurology physician prescribers was 1,370. 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.