Chun Chen
Internal Medicine Physician · Stony Brook, NY
Chun Chen is an internal medicine physician with a practice address in Stony Brook, New York, and NPI 1780881680, issued on Jul 2, 2007. Check the license (New York 244759, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Chun Chen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 244759 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Nesconset Hwy Bldg 8D, Stony Brook, NY 11790
- Phone
- (631) 366-4550
- Enumerated
- Jul 2, 2007
- Record last updated
- Jul 23, 2026
- Fax
- (631) 366-4556
- Medicaid ID
- 02900847 NY
- Medicare enrollment
- Enrolled (PECOS I20071115000553); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Chun Chen 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 244759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average internal medicine physician in 2024
3,694 Medicare Part D claims for 226 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 51 claims were for opioids.
Most prescribed
- Amlodipine Besylate236 claims
- Losartan Potassium162 claims
- Atorvastatin Calcium156 claims
- Metoprolol Succinate143 claims
- Rosuvastatin Calcium133 claims
- Levothyroxine Sodium101 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.
Chun Chen among 12,067 internal medicine physician records in New York
Chun Chen is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2002 among the 7,221 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 internal medicine physician records list a practice address in Stony Brook
They are 121 of the 3,053 NPPES records with a practice address in Stony Brook, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Stony Brook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ainul Asif, M.D.Stony Brook, NY 117901376849828
- Frank Cervo, M.D.Stony Brook, NY 117901194750505
- Grace Chung, M.D.Stony Brook, NY 117901679735724
- Linda Cocchiarella, MD, MSCStony Brook, NY 117901376544809
- Gregory DespotidisStony Brook, NY 117901508449323
- Bassam Hossain, D.O.Stony Brook, NY 117901164876389
- Sara Khan, M.D.Stony Brook, NY 117901043691652
- Eric Miller, MDStony Brook, NY 117901508494998
Common questions
What is Chun Chen's NPI number?
Chun Chen's National Provider Identifier (NPI) is 1780881680, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chun Chen located?
The NPPES record lists a practice address at 2500 Nesconset Hwy Bldg 8D, Stony Brook, NY, 11790. Phone: (631) 366-4550. Providers update this record themselves, so call before visiting.
How can I verify Chun Chen's license?
NPPES lists New York license number 244759, 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 Chun Chen prescribe under Medicare Part D?
In 2024, Chun Chen had 3,694 Medicare Part D claims for 226 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.