Stuart Jordan Klein, MD
Internal Medicine Physician · Foxboro, MA
Stuart Jordan Klein, MD is an internal medicine physician with a practice address in Foxboro, Massachusetts, and NPI 1275744633, issued on May 25, 2007. Check the license (Massachusetts 231901, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stuart Jordan Klein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 231901 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Patriot PL, Foxboro, MA 02035
- Phone
- (508) 718-4050
- Enumerated
- May 25, 2007
- Record last updated
- May 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070718000037); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 20 Patriot PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Hayes, PTAPhysical Therapy Assistant1720617343
- Sadia Hussain, MDInternal Medicine Physician1457537177
- Rania Husseini, M.D.Internal Medicine Physician1528015310
- Alan Kaul, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1891752317
- Amy Leonard, ATCAthletic Trainer1104236629
- Robert Ludwig, MDInternal Medicine Physician1558368480
Verify Stuart Jordan Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 231901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average internal medicine physician in 2024
5,615 Medicare Part D claims for 553 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 74 claims were for opioids.
Most prescribed
- Atorvastatin Calcium472 claims
- Rosuvastatin Calcium298 claims
- Lisinopril296 claims
- Amlodipine Besylate291 claims
- Omeprazole208 claims
- Metoprolol Succinate170 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
- Brigham And Womens Physicians Organization IncFoxborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stuart Jordan Klein among 6,825 internal medicine physician records in Massachusetts
Stuart Jordan Klein, MD 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2004 among the 4,103 with a school on file
- Record last updated2009 · 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).
8 internal medicine physician records list a practice address in Foxboro
They are 8 of the 305 NPPES records with a practice address in Foxboro, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Foxboro → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Laila Akhund, M.D.Foxborough, MA 020351437155181
- Danielle Brook, M.D.Foxborough, MA 020351245265651
- Lauren De Leon, MDFoxborough, MA 020351205154523
- David Faling, MDFoxborough, MA 020351558312892
- James Robert Green, M.D.Foxboro, MA 020351497792196
- Nelofer Humayon, MDFoxboro, MA 020351861611089
- Sadia Hussain, MDFoxboro, MA 020351457537177
- Rania Husseini, M.D.Foxboro, MA 020351528015310
Common questions
What is Stuart Jordan Klein, MD's NPI number?
Stuart Jordan Klein, MD's National Provider Identifier (NPI) is 1275744633, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Jordan Klein, MD located?
The NPPES record lists a practice address at 20 Patriot PL, Foxboro, MA, 02035. Phone: (508) 718-4050. Providers update this record themselves, so call before visiting.
How can I verify Stuart Jordan Klein, MD's license?
NPPES lists Massachusetts license number 231901, as entered by the provider. 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 Stuart Jordan Klein, MD prescribe under Medicare Part D?
In 2024, Stuart Jordan Klein, MD had 5,615 Medicare Part D claims for 553 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.