Chelsea Diallo, NP
Nurse Practitioner · Boston, MA
Chelsea Diallo, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1811565179, issued on Jun 14, 2021. Check the license (Massachusetts RN2318374, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea Diallo
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2318374 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1340 Boylston St, Boston, MA 02215
- Phone
- (617) 247-7555
- Enumerated
- Jun 14, 2021
- Record last updated
- Sep 17, 2024
- Fax
- (617) 421-9871
- Medicare enrollment
- Enrolled (PECOS I20240625000714); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 1340 Boylston St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Alonzo, M.D., MPHInternal Medicine Physician1265812226
- Isabella Anderson, MSWSocial Worker1528701315
- Sophia AxtmanFamily Nurse Practitioner1902452022
Verify Chelsea Diallo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2318374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average nurse practitioner in 2024
604 Medicare Part D claims for 118 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Estradiol33 claims
- Albuterol Sulfate Hfa25 claims
- Atorvastatin Calcium18 claims
- Tamsulosin Hcl17 claims
- Spironolactone16 claims
- Omeprazole15 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
- Fenway Community Health Center, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Diallo among 3,480 nurse practitioner records in Massachusetts
Chelsea Diallo, NP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 75% of them.
- NPI issued2021 · 75% of these records are older, 20% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2022 · median 2017 among the 1,963 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 nurse practitioner records list a practice address in Boston
They are 961 of the 41,865 NPPES records with a practice address in Boston, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Boston → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lois Bartels, NPBoston, MA 022151811078868
- Maura Brain, MS, RNCBoston, MA 022151003824392
- Lorraine Britting, NPCBoston, MA 022151053399238
- Deidre Buckley, NPBoston, MA 022151790858975
- Diane Chase, NPBoston, MA 022151780653980
- Sigal Dagiely, NPBoston, MA 022151295813509
- Judith Ferraro, CRNPBoston, MA 022151215007356
- Jan Fleischman, MSN, RN, APN, BCBoston, MA 022151144320912
Common questions
What is Chelsea Diallo, NP's NPI number?
Chelsea Diallo, NP's National Provider Identifier (NPI) is 1811565179, issued on Jun 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Diallo, NP located?
The NPPES record lists a practice address at 1340 Boylston St, Boston, MA, 02215. Phone: (617) 247-7555. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Diallo, NP's license?
NPPES lists Massachusetts license number RN2318374, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Chelsea Diallo, NP prescribe under Medicare Part D?
In 2024, Chelsea Diallo, NP had 604 Medicare Part D claims for 118 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.