Chelsea Green, DO
Emergency Medicine Physician · Westfield, MA
Chelsea Green, DO is an emergency medicine physician with a practice address in Westfield, Massachusetts, and NPI 1194257006, issued on Mar 30, 2017. Check the license (Massachusetts 287548, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Chelsea Green
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 287548 MA
Self-reported in NPPES; status is on the state search - Practice location
- 115 W Silver St, Westfield, MA 01085
- Phone
- (413) 571-0000
- Enumerated
- Mar 30, 2017
- Record last updated
- Apr 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20210604001536); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 115 W Silver St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Craig Ashcroft, MDSurgery Physician1659993921
- Danielle Aston, DOEmergency Medicine Physician1558983940
- Derek Aviles, PA-CMedical Physician Assistant1336951110
- Edward Ballis, M.D.Psychiatry Physician1588753743
- Lisa Cannon, RD, LDNRegistered Dietitian1629249255
- Juanita Carnes, NPNurse Practitioner1275575342
Verify Chelsea Green in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 287548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average emergency medicine physician in 2024
132 Medicare Part D claims for 106 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 13 claims were for opioids.
Most prescribed
- Cephalexin13 claims
- Ondansetron Hcl13 claims
- Prednisone13 claims
- Cefpodoxime Proxetil12 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.
Bills Medicare through one group practice
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Green among 1,829 emergency medicine physician records in Massachusetts
Chelsea Green, DO 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 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2011 among the 1,200 with a school on file
- Record last updated2023 · 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).
16 emergency medicine physician records list a practice address in Westfield
They are 16 of the 910 NPPES records with a practice address in Westfield, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Westfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Danielle Aston, DOWestfield, MA 010851558983940
- John Fialkovich, MDWestfield, MA 010851982921466
- Matthew Gray, MDWestfield, MA 010851003346776
- David Hansen, D.O.Westfield, MA 010851235578642
- Brendon Kinsley, MDWestfield, MA 010851154943553
- Sarah Kleinschmidt, MDWestfield, MA 010851144751280
- Nicolas Monte, M.D.West Springfield, MA 010851366806424
- Stuart Rose, MDWestfield, MA 010851306888201
Common questions
What is Chelsea Green, DO's NPI number?
Chelsea Green, DO's National Provider Identifier (NPI) is 1194257006, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Green, DO located?
The NPPES record lists a practice address at 115 W Silver St, Westfield, MA, 01085. Phone: (413) 571-0000. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Green, DO's license?
NPPES lists Massachusetts license number 287548, 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 Chelsea Green, DO prescribe under Medicare Part D?
In 2024, Chelsea Green, DO had 132 Medicare Part D claims for 106 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.