James J. Mensching, D.O.
Emergency Medicine Physician · Weymouth, MA
James J. Mensching, D.O. is an emergency medicine physician with a practice address in Weymouth, Massachusetts, and NPI 1023081916, issued on Feb 10, 2006. Check the license (Massachusetts 207208, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James J. Mensching
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 207208 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Washington Street, Weymouth, MA 02188
- Phone
- (781) 626-5160
- Enumerated
- Feb 10, 2006
- Record last updated
- Aug 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (781) 803-2645
- Medicare enrollment
- Enrolled (PECOS I20050309000582); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1992
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 330 Washington Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Antoinette Eng, M.D.Emergency Medicine Physician1184890469
- Donald Hansen, M.D.Emergency Medicine Physician1760441422
- Emil Reinhalter, M.D.Emergency Medicine Physician1528121480
- Chris Whelan, M.D.Emergency Medicine Physician1053363317
Verify James J. Mensching in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 207208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average emergency medicine physician in 2024
729 Medicare Part D claims for 494 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone162 claims
- Cephalexin82 claims
- Doxycycline Hyclate57 claims
- Azithromycin51 claims
- Albuterol Sulfate Hfa49 claims
- Amoxicillin30 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): 0 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 2 group practices
- Massachusetts Express Care PLLCRaynham, MA
- South Shore Health Express IncWeymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James J. Mensching among 1,829 emergency medicine physician records in Massachusetts
James J. Mensching, D.O. 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
- Graduated1992 · median 2011 among the 1,200 with a school on file
- Record last updated2014 · 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
- Antoinette Eng, M.D.Weymouth, MA 021881184890469
- Donald Hansen, M.D.Weymouth, MA 021881760441422
- James Hinchey, M.D.Weymouth, MA 021881194988717
- Barbara Jackson, M.D.Weymouth, MA 021881609813393
- Emil Reinhalter, M.D.Weymouth, MA 021881528121480
- Virginia Ribeiro Hartman, M.D.Weymouth, MA 021881538187174
- Chris Whelan, M.D.Weymouth, MA 021881053363317
- Joy Valentine Bitner, MDMilton, MA 021861710007646
Common questions
What is James J. Mensching, D.O.'s NPI number?
James J. Mensching, D.O.'s National Provider Identifier (NPI) is 1023081916, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James J. Mensching, D.O. located?
The NPPES record lists a practice address at 330 Washington Street, Weymouth, MA, 02188. Phone: (781) 626-5160. Providers update this record themselves, so call before visiting.
How can I verify James J. Mensching, D.O.'s license?
NPPES lists Massachusetts license number 207208, 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 J. Mensching, D.O. prescribe under Medicare Part D?
In 2024, James J. Mensching, D.O. had 729 Medicare Part D claims for 494 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is James J. Mensching, D.O.'s MIPS final score?
The 2023 MIPS final score is 0 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.