John J. Walsh, M.D.
Emergency Medicine Physician · Weymouth, MA
John J. Walsh, M.D. is an emergency medicine physician with a practice address in Weymouth, Massachusetts, and NPI 1295750495, issued on Jul 12, 2006. Check the license (Massachusetts 155458, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John J. Walsh
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 155458 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fogg RD, Weymouth, MA 02190
- Phone
- (781) 340-4293
- Enumerated
- Jul 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (781) 340-3782
- Medicare enrollment
- Enrolled (PECOS I20040408000068); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1993
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 55 Fogg RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Abreu, CRNACertified Registered Nurse Anesthetist1407330848
- Kathleen Abruzese, R.N.Clinical Nurse Specialist1487773180
- Mohammad AfrasiabiSurgery Physician1063893139
- Hana Altwal, MDInternal Medicine Physician1386075091
- Samuel BabchuckRegistered Nurse1700559515
- Shannon Badgett, LCSWClinical Social Worker1972142834
Verify John J. Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 155458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average emergency medicine physician in 2024
54 Medicare Part D claims for 42 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil14 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Coastal Medical AssociatesWeymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Walsh among 1,829 emergency medicine physician records in Massachusetts
John J. Walsh, M.D. is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1993 · median 2011 among the 1,200 with a school on file
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 emergency medicine physician records list a practice address in Weymouth
They are 33 of the 1,156 NPPES records with a practice address in Weymouth, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Weymouth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Claudette Bibro, M.D.Weymouth, MA 021901528073988
- Wayne A D Chin, M.D.Weymouth, MA 021901205894102
- David Cingari, M.D.South Weymouth, MA 021901326006719
- Stephen Hartlaub, M.D.Weymouth, MA 021901700827953
- Jeffrey Johnson, M.D.Weymouth, MA 021901083672281
- Doreen Kennedy McLaughlin, M.D.Weymouth, MA 021901053326447
- Maurice Loeffel, MDWeymouth, MA 021901548228042
- Ann Loudermilk, M.D.Weymouth, MA 021901598702326
Common questions
What is John J. Walsh, M.D.'s NPI number?
John J. Walsh, M.D.'s National Provider Identifier (NPI) is 1295750495, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Walsh, M.D. located?
The NPPES record lists a practice address at 55 Fogg RD, Weymouth, MA, 02190. Phone: (781) 340-4293. Providers update this record themselves, so call before visiting.
How can I verify John J. Walsh, M.D.'s license?
NPPES lists Massachusetts license number 155458, 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 J. Walsh, M.D. prescribe under Medicare Part D?
In 2024, John J. Walsh, M.D. had 54 Medicare Part D claims for 42 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John J. Walsh, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. 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.