Sean Ho Yoon, MD
Endocrinology, Diabetes & Metabolism Physician · Great Neck, NY
Sean Ho Yoon, MD is an endocrinology, diabetes & metabolism physician with a practice address in Great Neck, New York, and NPI 1386208858, issued on Apr 30, 2019. Check the license (New York 320706, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sean Ho Yoon
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 320706 NY
Self-reported in NPPES; status is on the state search - Practice location
- 865 Northern Blvd Ste 203, Great Neck, NY 11021
- Phone
- (516) 708-2540
- Enumerated
- Apr 30, 2019
- Record last updated
- Aug 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20241001000127); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 865 Northern Blvd Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karishma Chopra, D.O.Endocrinology, Diabetes & Metabolism Physician1578057816
- Elizabeth Granieri, M.D.Endocrinology, Diabetes & Metabolism Physician1780975102
- Yael Harris, MDEndocrinology, Diabetes & Metabolism Physician1164663357
- Elizabeth Paul, DOEndocrinology, Diabetes & Metabolism Physician1548767452
- Jaspreet Sandhu, FNPFamily Nurse Practitioner1639887474
- Aren Skolnick, D.O.Endocrinology, Diabetes & Metabolism Physician1447492822
Verify Sean Ho Yoon 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 320706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
552 Medicare Part D claims for 119 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Levothyroxine Sodium73 claims
- Januvia28 claims
- Nano 2nd Gen Pen Needle27 claims
- Ozempic27 claims
- Humalog Kwikpen U-10025 claims
- Lantus Solostar20 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
- North Shore-Lij Medical PCGlen Oaks, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Ho Yoon among 970 endocrinology, diabetes & metabolism physician records in New York
Sean Ho Yoon, MD is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.
- NPI issued2019 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2004 among the 694 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Great Neck → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Yigal Aharon, MDGreat Neck, NY 110211598739393
- Ronda Bloom, MDGreat Neck, NY 110211447210703
- Ailian Chen, MDGreat Neck, NY 110211831298801
- Tina Constantin, M.D.Great Neck, NY 110211083903561
- Rachel Fetner, M.D.Great Neck, NY 110211437184850
- Seth Friedman, MDGreat Neck, NY 110211053389916
- Yael Harris, MDGreat Neck, NY 110211164663357
- Jonathan Kaplan, MDGreat Neck, NY 110211285713487
Common questions
What is Sean Ho Yoon, MD's NPI number?
Sean Ho Yoon, MD's National Provider Identifier (NPI) is 1386208858, issued on Apr 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Sean Ho Yoon, MD located?
The NPPES record lists a practice address at 865 Northern Blvd Ste 203, Great Neck, NY, 11021. Phone: (516) 708-2540. Providers update this record themselves, so call before visiting.
How can I verify Sean Ho Yoon, MD's license?
NPPES lists New York license number 320706, 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 Sean Ho Yoon, MD prescribe under Medicare Part D?
In 2024, Sean Ho Yoon, MD had 552 Medicare Part D claims for 119 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.