NPPES file of Aug 9, 2026

Richard W. Marquis, M.D.

Geriatric Medicine (Internal Medicine) Physician · Quincy, MA

Richard W. Marquis, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Quincy, Massachusetts, and NPI 1255321253, issued on Oct 21, 2005. Check the license (Massachusetts 56526, 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
1255321253
Name
Richard W. Marquis
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
56526 MA
Self-reported in NPPES; status is on the state search
Practice location
700 Congress St, Quincy, MA 02169
Phone
(617) 472-3400
Enumerated
Oct 21, 2005
Record last updated
Nov 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(617) 472-3411
Medicaid ID
3030792 MA
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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Also registered at 700 Congress St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carolyn Dolan, NPAdult Health Nurse Practitioner1598773426
  2. Anthony Dragone, MDSurgery Physician1467442186
  3. Thomas Fitzgerald, MDSurgery Physician1114917879
  4. Isabel Lamour, M.D.Internal Medicine Physician1730474826
  5. Barbara Lordan, N.P.Nurse Practitioner1538257704
  6. John Mulkern, MDFamily Medicine Physician1467443861

Verify Richard W. Marquis 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 56526
    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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2.1 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024

8,913 Medicare Part D claims for 620 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 358 claims were for opioids.

  1. Richard Marquis8,913
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium589 claims
  2. Omeprazole456 claims
  3. Amlodipine Besylate334 claims
  4. Metoprolol Succinate332 claims
  5. Levothyroxine Sodium323 claims
  6. Losartan Potassium318 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.

Industry payments in 2024: $24.60

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Richard Marquis$24.60
  2. Specialty average$1,720.82

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Richard W. Marquis among 225 geriatric medicine (internal medicine) physician records in Massachusetts

Richard W. Marquis, M.D. is one of 225 geriatric medicine (internal medicine) physician records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2012 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Massachusetts

There are 225 geriatric medicine (internal medicine) physician records in Massachusetts.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Cynthia Cullinane, M.D.Quincy, MA 021691386645679
  2. Deborah O'Keefe, M.D.Quincy, MA 021691538159579
  3. Mark Ostrem, MDQuincy, MA 021691811985633
  4. David Barrasso, M.D.Medford, MA 021551467433748
  5. Saeid Elmi, M.D.Medford, MA 021551023105459
  6. Michael Cantor, MDBraintree, MA 021841730130212
  7. Lynne Brodsky, MDChelsea, MA 021501588655419
  8. Sanja Percac-Lima, MDChelsea, MA 021501508837428

Common questions

What is Richard W. Marquis, M.D.'s NPI number?

Richard W. Marquis, M.D.'s National Provider Identifier (NPI) is 1255321253, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Richard W. Marquis, M.D. located?

The NPPES record lists a practice address at 700 Congress St, Quincy, MA, 02169. Phone: (617) 472-3400. Providers update this record themselves, so call before visiting.

How can I verify Richard W. Marquis, M.D.'s license?

NPPES lists Massachusetts license number 56526, 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 Richard W. Marquis, M.D. prescribe under Medicare Part D?

In 2024, Richard W. Marquis, M.D. had 8,913 Medicare Part D claims for 620 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.