NPPES file of Aug 9, 2026

James Ferguson, M.D.

Pulmonary Disease Physician · East Greenwich, RI

James Ferguson, M.D. is a pulmonary disease physician with a practice address in East Greenwich, Rhode Island, and NPI 1811257850, issued on May 24, 2012. Check the license (Rhode Island MD14925, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1811257850
Name
James Ferguson
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
MD14925 RI
Self-reported in NPPES; status is on the state search
Practice location
1407 S County Trl Ste 430A, East Greenwich, RI 02818
Phone
(401) 886-7910
Enumerated
May 24, 2012
Record last updated
Jun 2, 2026
Fax
(401) 886-7913
Medicare enrollment
Enrolled (PECOS I20150805009291); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 2012
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1407 S County Trl Ste 430A

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

  1. Ingrid Leon, ARNPFamily Nurse Practitioner1063964559
  2. Ahmed Mahgoub, MDPulmonary Disease Physician1912552696
  3. Melissa Skoutas, FNPFamily Nurse Practitioner1497603278
  4. Deirdre Smith, FNPFamily Nurse Practitioner1326032004

Verify James Ferguson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD14925
    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 Rhode Island 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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2.6 times the Medicare Part D claims of the average pulmonary disease physician in 2024

3,732 Medicare Part D claims for 515 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.

  1. James Ferguson3,732
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta481 claims
  2. Albuterol Sulfate Hfa323 claims
  3. Prednisone271 claims
  4. Breo Ellipta257 claims
  5. Montelukast Sodium209 claims
  6. Budesonide-Formoterol Fumarate180 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: $36.46

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Ferguson$36.46
  2. Specialty average$5,159.88

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

Bills Medicare through one group practice

  1. Affinity Physicians LLC.Warwick, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Ferguson among 79 pulmonary disease physician records in Rhode Island

James Ferguson, M.D. is one of 79 pulmonary disease physician records with a practice address in Rhode Island. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2012 · median 2003 among the 55 with a school on file
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Rhode Island

There are 79 pulmonary disease physician records in Rhode Island.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Stephen Anders, MDEast Greenwich, RI 028181801424007
  2. Walter Donat, M.D.East Greenwich, RI 028181144244534
  3. Ahmed Mahgoub, MDEast Greenwich, RI 028181912552696
  4. Michael Stanchina, MDEast Greenwich, RI 028181518989367
  5. Naveed Shah, MDCoventry, RI 028161477575546
  6. Gabrielle Mock, MDNewport, RI 028401093244543
  7. Brian Casserly, M.D.Pawtucket, RI 028601407073901
  8. Eric GartmanPawtucket, RI 028601679798292

Common questions

What is James Ferguson, M.D.'s NPI number?

James Ferguson, M.D.'s National Provider Identifier (NPI) is 1811257850, issued on May 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is James Ferguson, M.D. located?

The NPPES record lists a practice address at 1407 S County Trl Ste 430A, East Greenwich, RI, 02818. Phone: (401) 886-7910. Providers update this record themselves, so call before visiting.

How can I verify James Ferguson, M.D.'s license?

NPPES lists Rhode Island license number MD14925, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Ferguson, M.D. prescribe under Medicare Part D?

In 2024, James Ferguson, M.D. had 3,732 Medicare Part D claims for 515 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.