NPPES file of Aug 9, 2026

Ruth Waithira Maina, NP

Adult Health Nurse Practitioner · Spencer, MA

Ruth Waithira Maina, NP is an adult health nurse practitioner with a practice address in Spencer, Massachusetts, and NPI 1033463286, issued on Nov 8, 2012. Check the license (Massachusetts RN255673, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033463286
Name
Ruth Waithira Maina
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
RN255673 MA
Self-reported in NPPES; status is on the state search
Practice location
9 Sullivan St, Spencer, MA 01562
Phone
(508) 615-8599
Enumerated
Nov 8, 2012
Record last updated
Jun 1, 2026
Medicare enrollment
Enrolled (PECOS I20130408000177); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Ruth Waithira Maina in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN255673
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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51% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

632 Medicare Part D claims for 107 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 209 claims were for opioids.

  1. Ruth Maina632
  2. Specialty average1,280

Most prescribed

  1. Tramadol Hcl117 claims
  2. Lorazepam82 claims
  3. Furosemide55 claims
  4. Oxycodone Hcl39 claims
  5. Clonazepam38 claims
  6. Pregabalin26 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 2 group practices

  1. Hdc Care Solutions LLCFramingham, MA
  2. Value Based Long Term Care H PCFramingham, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ruth Waithira Maina among 1,465 adult health nurse practitioner records in Massachusetts

Ruth Waithira Maina, NP is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.

  • NPI issued2012 · 65% of these records are older, 29% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2012 · median 2010 among the 634 with a school on file
  • Record last updated2026 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 adult health nurse practitioner record lists a practice address in Spencer

They are 1 of the 96 NPPES records with a practice address in Spencer, and 1,465 adult health nurse practitioner records in Massachusetts.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Paula Temoczko, N.P.Uxbridge, MA 015691205891132
  2. Susan Murtagh, NPWebster, MA 015701306967864
  3. Ashley PetkisWebster, MA 015701528680063
  4. Wanda Pothier, APRN-BCWebster, MA 015701508817545
  5. Caroline GaffneySouthbridge, MA 015501548642929
  6. Evelyn Gregson, N.P.Southbridge, MA 015501619071099
  7. Sarah Mary Amato, RN, MSN, ANP-BCShrewsbury, MA 015451477832210
  8. Michelle Debest, N.P.Westborough, MA 015811538252093

Common questions

What is Ruth Waithira Maina, NP's NPI number?

Ruth Waithira Maina, NP's National Provider Identifier (NPI) is 1033463286, issued on Nov 8, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ruth Waithira Maina, NP located?

The NPPES record lists a practice address at 9 Sullivan St, Spencer, MA, 01562. Phone: (508) 615-8599. Providers update this record themselves, so call before visiting.

How can I verify Ruth Waithira Maina, NP's license?

NPPES lists Massachusetts license number RN255673, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Ruth Waithira Maina, NP prescribe under Medicare Part D?

In 2024, Ruth Waithira Maina, NP had 632 Medicare Part D claims for 107 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.