James M. Maguire, MD
Internal Medicine Physician · Gloucester, MA
James M. Maguire, MD is an internal medicine physician with a practice address in Gloucester, Massachusetts, and NPI 1538111422, issued on May 17, 2006. Check the license (Massachusetts 213179, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James M. Maguire
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 213179 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Blackburn Dr, Gloucester, MA 01930
- Phone
- (978) 281-1500
- Enumerated
- May 17, 2006
- Record last updated
- Jun 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (978) 282-3699
- Medicaid ID
- 0173614 MA
- Medicare enrollment
- Enrolled (PECOS I20040819001183); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1 Blackburn Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stefanie BelcherNurse Practitioner1174179501
- Nathalie Celestin, M.D.Internal Medicine Physician1528265394
- Kathryn D'Angelo, AU.D.Audiologist1841709292
- Janet Doran, MDInternal Medicine Physician1265483135
- Jay Isaac, MDInternal Medicine Physician1730134099
- Jocelyn Jenkins Bautista, NPAdult Health Nurse Practitioner1386803666
Verify James M. Maguire in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 213179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.6 times the Medicare Part D claims of the average internal medicine physician in 2024
21,085 Medicare Part D claims for 1,083 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 92 claims were for opioids.
Most prescribed
- Furosemide1,104 claims
- Atorvastatin Calcium917 claims
- Levothyroxine Sodium784 claims
- Eliquis697 claims
- Gabapentin630 claims
- Trazodone Hcl609 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.
The MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cape Ann Medical Center LLCGloucester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James M. Maguire among 6,825 internal medicine physician records in Massachusetts
James M. Maguire, 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. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2004 among the 4,103 with a school on file
- Record last updated2010 · 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).
11 internal medicine physician records list a practice address in Gloucester
They are 11 of the 530 NPPES records with a practice address in Gloucester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Gloucester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Herbert Bistrong, M.D.Gloucester, MA 019301710121967
- Victor Carabba, MDGloucester, MA 019301386673184
- Nathalie Celestin, M.D.Gloucester, MA 019301528265394
- Janet Doran, MDGloucester, MA 019301265483135
- Jay Isaac, MDGloucester, MA 019301730134099
- Zaven Jouhourian, MDGloucester, MA 019301255374518
- Shawn Pawson, MDGloucester, MA 019301659322758
- Brenda Richardson, M.D.Gloucester, MA 019301982767075
Common questions
What is James M. Maguire, MD's NPI number?
James M. Maguire, MD's National Provider Identifier (NPI) is 1538111422, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James M. Maguire, MD located?
The NPPES record lists a practice address at 1 Blackburn Dr, Gloucester, MA, 01930. Phone: (978) 281-1500. Providers update this record themselves, so call before visiting.
How can I verify James M. Maguire, MD's license?
NPPES lists Massachusetts license number 213179, 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 James M. Maguire, MD prescribe under Medicare Part D?
In 2024, James M. Maguire, MD had 21,085 Medicare Part D claims for 1,083 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is James M. Maguire, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.