James Bonz, M.D.
Emergency Medicine Physician · New London, CT
James Bonz, M.D. is an emergency medicine physician with a practice address in New London, Connecticut, and NPI 1417127036, issued on Mar 11, 2008. Check the license (Connecticut 047531, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James Bonz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 047531 CT
Self-reported in NPPES; status is on the state search - Practice location
- 365 Montauk Ave, New London, CT 06320
- Phone
- (860) 271-4326
- Enumerated
- Mar 11, 2008
- Record last updated
- Jun 18, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090812000416); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 365 Montauk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Bonz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 047531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average emergency medicine physician in 2024
53 Medicare Part D claims for 47 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin11 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): 73.6 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
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Bonz among 846 emergency medicine physician records in Connecticut
James Bonz, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2005 · median 2011 among the 574 with a school on file
- Record last updated2009 · 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 emergency medicine physician records list a practice address in New London
They are 35 of the 1,218 NPPES records with a practice address in New London, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in New London → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nader Bahadory, DONew London, CT 063201790894319
- David Bouslough, MDNew London, CT 063201407870330
- Russell Firman, MDNew London, CT 063201124191465
- Whitney FisherNew London, CT 063201508088659
- Katherine Hesse, MDNew London, CT 063201548235088
- Gregory Johnston, M.D.New London, CT 063201457344137
- Ashok Maheshwari, MDNew London, CT 063201760543813
- Samuel Maryles, MDNew London, CT 063201013064591
Common questions
What is James Bonz, M.D.'s NPI number?
James Bonz, M.D.'s National Provider Identifier (NPI) is 1417127036, issued on Mar 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is James Bonz, M.D. located?
The NPPES record lists a practice address at 365 Montauk Ave, New London, CT, 06320. Phone: (860) 271-4326. Providers update this record themselves, so call before visiting.
How can I verify James Bonz, M.D.'s license?
NPPES lists Connecticut license number 047531, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Bonz, M.D. prescribe under Medicare Part D?
In 2024, James Bonz, M.D. had 53 Medicare Part D claims for 47 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is James Bonz, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.