James Castellone, MD
Emergency Medicine Physician · Manchester, CT
James Castellone, MD is an emergency medicine physician with a practice address in Manchester, Connecticut, and NPI 1871568964, issued on Feb 22, 2006. Check the license (Connecticut 36198, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James Castellone
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 36198 CT
Self-reported in NPPES; status is on the state search - Practice location
- 71 Haynes St, Manchester, CT 06040
- Phone
- (860) 647-4738
- Enumerated
- Feb 22, 2006
- Record last updated
- Oct 5, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 71 Haynes St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Castellone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 36198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average emergency medicine physician in 2024
30 Medicare Part D claims for 21 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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): 93.2 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).
James Castellone among 846 emergency medicine physician records in Connecticut
James Castellone, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 65% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 emergency medicine physician records list a practice address in Manchester
They are 25 of the 2,184 NPPES records with a practice address in Manchester, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Manchester → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Arthur Belmont, MDManchester, CT 060401770558181
- Larry Blitstein, M.D.Manchester, CT 060401982679783
- Scott Boden, M.D.Manchester, CT 060401811964026
- Andreas Bojko, M.D.Manchester, CT 060401073580874
- Scott Brown, MDManchester, CT 060401558357962
- Robert Carroll, M.D.Manchester, CT 060401306818810
- Ronald D'Angelo, MDManchester, CT 060401841265832
- Franklin Gillig, M.D.Manchester, CT 060401013976158
Common questions
What is James Castellone, MD's NPI number?
James Castellone, MD's National Provider Identifier (NPI) is 1871568964, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Castellone, MD located?
The NPPES record lists a practice address at 71 Haynes St, Manchester, CT, 06040. Phone: (860) 647-4738. Providers update this record themselves, so call before visiting.
How can I verify James Castellone, MD's license?
NPPES lists Connecticut license number 36198, 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 Castellone, MD prescribe under Medicare Part D?
In 2024, James Castellone, MD had 30 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is James Castellone, MD's MIPS final score?
The 2023 MIPS final score is 93.2 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.