NPPES file of Aug 9, 2026

John Ramey Diggs, M.D.

Internal Medicine Physician · Monson, MA

John Ramey Diggs, M.D. is an internal medicine physician with a practice address in Monson, Massachusetts, and NPI 1235226655, issued on Oct 6, 2006. Check the license (Massachusetts 71456, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235226655
Name
John Ramey Diggs
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
71456 MA
Self-reported in NPPES; status is on the state search
Practice location
2 Main Street, Monson, MA 01057
Phone
(413) 370-8209
Enumerated
Oct 6, 2006
Record last updated
Nov 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(413) 267-4606
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 John Ramey 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 71456
    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

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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

435 Medicare Part D claims for 58 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. John Diggs435
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate23 claims
  2. Lorazepam23 claims
  3. Losartan Potassium22 claims
  4. Atorvastatin Calcium20 claims
  5. Eliquis20 claims
  6. Lisinopril18 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.

1 internal medicine physician records list a practice address in Monson

They are 1 of the 39 NPPES records with a practice address in Monson, and 6,825 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is John Ramey Diggs, M.D.'s NPI number?

John Ramey Diggs, M.D.'s National Provider Identifier (NPI) is 1235226655, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Ramey Diggs, M.D. located?

The NPPES record lists a practice address at 2 Main Street, Monson, MA, 01057. Phone: (413) 370-8209. Providers update this record themselves, so call before visiting.

How can I verify John Ramey Diggs, M.D.'s license?

NPPES lists Massachusetts license number 71456, 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 John Ramey Diggs, M.D. prescribe under Medicare Part D?

In 2024, John Ramey Diggs, M.D. had 435 Medicare Part D claims for 58 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.