Sydney X. Chen, M.D.
Internal Medicine Physician · Matawan, NJ
Sydney X. Chen, M.D. is an internal medicine physician with a practice address in Matawan, New Jersey, and NPI 1992035315, issued on Jan 7, 2010. Check the license (New Jersey 25MA08681900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sydney X. Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA08681900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1070 State Route 34, Matawan, NJ 07747
- Phone
- (732) 290-0300
- Enumerated
- Jan 7, 2010
- Record last updated
- Jan 7, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (732) 290-9661
- Medicare enrollment
- Enrolled (PECOS I20100512000789); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 1070 State Route 34
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sydney X. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA08681900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,656 Medicare Part D claims for 430 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 78 claims were for opioids.
Most prescribed
- Amlodipine Besylate431 claims
- Atorvastatin Calcium395 claims
- Levothyroxine Sodium293 claims
- Losartan Potassium242 claims
- Metoprolol Succinate216 claims
- Famotidine185 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: $474.02
25 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Sydney X. Chen among 4,632 internal medicine physician records in New Jersey
Sydney X. Chen, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1991 · median 2000 among the 3,132 with a school on file
- Record last updated2010 · 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 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Matawan
They are 7 of the 598 NPPES records with a practice address in Matawan, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Matawan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shufang Feng, MDMatawan, NJ 077471285686667
- Nagy Guirguis, M.D.Aberdeen, NJ 077471346294873
- Elias Lehaf, MDMatawan, NJ 077471124071030
- Michael McNeil, M.D.Matawan, NJ 077471679785968
- Ayesha Ouldhammou, MDMatawan, NJ 077471093767295
- Vijay Patel, M.D.Matawan, NJ 077471922045590
- Vasantha Perkari, MDMatawan, NJ 077471215032156
- Ammar Bazerbashi, MDMiddletown, NJ 077481205885704
Common questions
What is Sydney X. Chen, M.D.'s NPI number?
Sydney X. Chen, M.D.'s National Provider Identifier (NPI) is 1992035315, issued on Jan 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sydney X. Chen, M.D. located?
The NPPES record lists a practice address at 1070 State Route 34, Matawan, NJ, 07747. Phone: (732) 290-0300. Providers update this record themselves, so call before visiting.
How can I verify Sydney X. Chen, M.D.'s license?
NPPES lists New Jersey license number 25MA08681900, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sydney X. Chen, M.D. prescribe under Medicare Part D?
In 2024, Sydney X. Chen, M.D. had 7,656 Medicare Part D claims for 430 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.