Mercy Mbuthia, CNP
Psychiatric/Mental Health Nurse Practitioner · West Springfield, MA
Mercy Mbuthia, CNP is a psychiatric/mental health nurse practitioner with a practice address in West Springfield, Massachusetts, and NPI 1326405671, issued on Jan 18, 2016. Check the license (Massachusetts RN2274931, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mercy Mbuthia
- Credential
- CNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- RN2274931 MA
Self-reported in NPPES; status is on the state search - Practice location
- 103 Myron St, West Springfield, MA 01089
- Phone
- (413) 592-1980
- Enumerated
- Jan 18, 2016
- Record last updated
- Jan 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 439-0100
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 103 Myron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edna Alvarado, MSW INTERNClinical Social Worker1952650491
- Mary Barbato, CNSAdult Psychiatric/Mental Health Clinical Nurse Specialist1750313185
- Jeremy Barron, MSW INTERNClinical Social Worker1699176891
Verify Mercy Mbuthia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2274931Check 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 psychiatric/mental health nurse practitioner in 2024
488 Medicare Part D claims for 87 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Trazodone Hcl61 claims
- Naltrexone Hcl31 claims
- Sertraline Hcl31 claims
- Mirtazapine29 claims
- Lamotrigine27 claims
- Hydroxyzine Pamoate24 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.
Mercy Mbuthia among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Mercy Mbuthia, CNP is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 27% of them.
- NPI issued2016 · 27% of these records are older, 68% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 psychiatric/mental health nurse practitioner records list a practice address in West Springfield
They are 11 of the 1,214 NPPES records with a practice address in West Springfield, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in West Springfield → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Talia BarlarWest Springfield, MA 010891306601752
- Abila Benazea, NURSE PRACTITIONERWest Springfield, MA 010891619305521
- Daylin Chaplin, CNPWest Springfield, MA 010891629523485
- Eleni Klostri, N.P.P., APRNWest Springfield, MA 010891548279060
- Danielle Lamagna, PMHNP-BCWest Springfield, MA 010891902513211
- Joy Leblanc, RN MSN CSW Springfield, MA 010891538202957
- Shauna McCarthy, CNPWest Springfield, MA 010891609818038
- Ifeoma OgbonnaWest Springfield, MA 010891801203104
Common questions
What is Mercy Mbuthia, CNP's NPI number?
Mercy Mbuthia, CNP's National Provider Identifier (NPI) is 1326405671, issued on Jan 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mercy Mbuthia, CNP located?
The NPPES record lists a practice address at 103 Myron St, West Springfield, MA, 01089. Phone: (413) 592-1980. Providers update this record themselves, so call before visiting.
How can I verify Mercy Mbuthia, CNP's license?
NPPES lists Massachusetts license number RN2274931, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mercy Mbuthia, CNP prescribe under Medicare Part D?
In 2024, Mercy Mbuthia, CNP had 488 Medicare Part D claims for 87 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.