NPPES file of Aug 9, 2026

Stephen C. Knight, M.D.

Internal Medicine Physician · Cambridge, MA

Stephen C. Knight, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1093752289, issued on May 31, 2006. Check the license (Massachusetts 152622, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093752289
Name
Stephen C. Knight
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
152622 MA
Self-reported in NPPES; status is on the state search
Practice location
One Main Street, Cambridge, MA 02142
Phone
(617) 231-2401
Enumerated
May 31, 2006
Record last updated
Jul 13, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Stephen C. Knight in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 152622
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Stephen C. Knight among 6,825 internal medicine physician records in Massachusetts

Stephen C. Knight, M.D. 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 not. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2026 · 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).

300 internal medicine physician records list a practice address in Cambridge

They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Basmaa Ali, MDCambridge, MA 021421073510822
  2. Paul Chamberlin, M.D.Cambridge, MA 021421841238144
  3. Joanna Haas, M.D.Cambridge, MA 021421497805436
  4. Jeffrey Held, MDCambridge, MA 021421841243557
  5. Frannie Kronenberg, M.D.Boston, MA 021421467671248
  6. William Li, M.D.Cambridge, MA 021421528277886
  7. Ketan Patel, MDCambridge, MA 021421609048974
  8. Arno Tilles, MDCambridge, MA 021421528136827

Common questions

What is Stephen C. Knight, M.D.'s NPI number?

Stephen C. Knight, M.D.'s National Provider Identifier (NPI) is 1093752289, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen C. Knight, M.D. located?

The NPPES record lists a practice address at One Main Street, Cambridge, MA, 02142. Phone: (617) 231-2401. Providers update this record themselves, so call before visiting.

How can I verify Stephen C. Knight, M.D.'s license?

NPPES lists Massachusetts license number 152622, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.