Jordan Siu
Internal Medicine Physician · Concord, MA
Jordan Siu is an internal medicine physician with a practice address in Concord, Massachusetts, and NPI 1548624935, issued on Apr 11, 2016. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jordan Siu
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5151010109 MI
Self-reported in NPPES; status is on the state search - Practice location
- 133 Old Road TO 9 Acre Cor, Concord, MA 01742
- Phone
- (586) 263-2972
- Enumerated
- Apr 11, 2016
- Record last updated
- Sep 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20211018001692); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 133 Old Road TO 9 Acre Cor
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Aguirre, PA-CPhysician Assistant1467281691
- Michelle Allanbrook, RNRegistered Nurse1053833905
- David Barash, M.D.Emergency Medicine Physician1699756296
- Joseph Bergen, D.O.Emergency Medicine Physician1518921972
- Seamus Bergen, RNPsychiatric/Mental Health Registered Nurse1528638467
- Tanya Bergen, LICSWMental Health Counselor1861742140
Verify Jordan Siu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
198 Medicare Part D claims for 98 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone15 claims
- Furosemide13 claims
- Potassium Chloride11 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 2 group practices
- Emerson Practice Associates, IncConcord, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jordan Siu among 6,825 internal medicine physician records in Massachusetts
Jordan Siu is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 internal medicine physician records list a practice address in Concord
They are 44 of the 1,078 NPPES records with a practice address in Concord, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Concord → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul D'Ambrosio, M.D.Concord, MA 017421033194048
- David Eldridge, MDConcord, MA 017421386622967
- Eric Hatton, MDConcord, MA 017421841287281
- Peter Hoenig, M.DConcord, MA 017421801855531
- Sandeep Jain, M.D.Concord, MA 017421417915562
- Thomas Kaegi, M.D.Concord, MA 017421578552121
- Barbara Peters, D.O.Concord, MA 017421609834563
- Betty Pomerleau, M.D.Concord, MA 017421811972821
Common questions
What is Jordan Siu's NPI number?
Jordan Siu's National Provider Identifier (NPI) is 1548624935, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jordan Siu located?
The NPPES record lists a practice address at 133 Old Road TO 9 Acre Cor, Concord, MA, 01742. Phone: (586) 263-2972. Providers update this record themselves, so call before visiting.
How can I verify Jordan Siu's license?
Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jordan Siu prescribe under Medicare Part D?
In 2024, Jordan Siu had 198 Medicare Part D claims for 98 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.