NPPES file of Aug 9, 2026

Byron Radcliv Diggs, MD

Internal Medicine Physician · Arlington, MA

Byron Radcliv Diggs, MD is an internal medicine physician with a practice address in Arlington, Massachusetts, and NPI 1902943087, issued on Jan 30, 2007. Check the license (Massachusetts 45641, 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
1902943087
Name
Byron Radcliv Diggs
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
45641 MA
Self-reported in NPPES; status is on the state search
Practice location
163 Charlton St, Arlington, MA 02476
Phone
(617) 435-5724
Enumerated
Jan 30, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 Byron Radcliv Diggs 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 45641
    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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Byron Radcliv Diggs among 6,825 internal medicine physician records in Massachusetts

Byron Radcliv Diggs, 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 not. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2007 · 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).

16 internal medicine physician records list a practice address in Arlington

They are 16 of the 974 NPPES records with a practice address in Arlington, 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. Paul Burns, MDArlington, MA 024761780635573
  2. Marcia Chatfield, D. O.Arlington, MA 024761316048739
  3. Timothy Crowley, MDArlington, MA 024761124025606
  4. Donna Katcher, MDArlington, MA 024761780681031
  5. Nathaniel Price, M.D.Arlington, MA 024761760500367
  6. Azadeh Assarpour, M.D.Belmont, MA 024781841430030
  7. Peter Braun, M.D.Arlington, MA 024741992820815
  8. Ronald Criscitiello, M.DArlington, MA 024741114027091

Common questions

What is Byron Radcliv Diggs, MD's NPI number?

Byron Radcliv Diggs, MD's National Provider Identifier (NPI) is 1902943087, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Byron Radcliv Diggs, MD located?

The NPPES record lists a practice address at 163 Charlton St, Arlington, MA, 02476. Phone: (617) 435-5724. Providers update this record themselves, so call before visiting.

How can I verify Byron Radcliv Diggs, MD's license?

NPPES lists Massachusetts license number 45641, 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.