Chinonso Best Agubosim, MD
Emergency Medicine Physician · Boston, MA
Chinonso Best Agubosim, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1154988392, issued on May 23, 2019. Check the license (Massachusetts 1013660, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Chinonso Best Agubosim
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 1013660 MA
25532 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boston Medical Ctr PL FL Place1, Boston, MA 02118
- Phone
- (617) 414-5405
- Enumerated
- May 23, 2019
- Record last updated
- Aug 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20240829001439); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1 Boston Medical Ctr PL FL Place1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keryn Anderson, PA-CPhysician Assistant1992481972
- Alejandro Avina-CadenaEmergency Medicine Physician1184373631
- Emily Gohde, MDEmergency Medicine Physician1629607247
- Isabel Hardy, PA-CPhysician Assistant1649941980
- Gregory Howarth, PAPhysician Assistant1508114018
- Katherine Jennings, PA, MPHPhysician Assistant1285280230
Verify Chinonso Best Agubosim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1013660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average emergency medicine physician in 2024
133 Medicare Part D claims for 111 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil13 claims
- Azithromycin12 claims
- Prednisone11 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 4 group practices
- Cambridge Public Health CommissionCambridge, MA
- Emergency Medicine Services OF NH, LLCDerry, NH
- New Hampshire Emergency Physician Associates PCWolfeboro, NH
- Springfield Hospital Inc.Springfield, VT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chinonso Best Agubosim among 1,829 emergency medicine physician records in Massachusetts
Chinonso Best Agubosim, MD 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 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2011 among the 1,200 with a school on file
- Record last updated2026 · 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).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Evan Berg, MDBoston, MA 021181982692596
- Edward Bernstein, MDBoston, MA 021181568434926
- Andreas Dewitz, MDBoston, MA 021181740267434
- Kathryn Dyer, MDBoston, MA 021181851363048
- James Feldman, MDBoston, MA 021181801868682
- Jerrilyn Jones, MDBoston, MA 021181467435396
- Joseph Kahn, M.D.Boston, MA 021181144293572
- Ricky Kue, M.D., M.P.H.Boston, MA 021181134102395
Common questions
What is Chinonso Best Agubosim, MD's NPI number?
Chinonso Best Agubosim, MD's National Provider Identifier (NPI) is 1154988392, issued on May 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Chinonso Best Agubosim, MD located?
The NPPES record lists a practice address at 1 Boston Medical Ctr PL FL Place1, Boston, MA, 02118. Phone: (617) 414-5405. Providers update this record themselves, so call before visiting.
How can I verify Chinonso Best Agubosim, MD's license?
NPPES lists Massachusetts license number 1013660, 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 Chinonso Best Agubosim, MD prescribe under Medicare Part D?
In 2024, Chinonso Best Agubosim, MD had 133 Medicare Part D claims for 111 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.