Andrew Ahearn, NP
Registered Nurse · Leominster, MA
Andrew Ahearn, NP is a registered nurse with a practice address in Leominster, Massachusetts, and NPI 1598309932, issued on Oct 29, 2019. Check the license (Massachusetts RN2319623, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrew Ahearn
- Credential
- NP
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- RN2319623 MA
Self-reported in NPPES; status is on the state search - Practice location
- 225 New Lancaster RD, Leominster, MA 01453
- Phone
- (978) 534-6500
- Enumerated
- Oct 29, 2019
- Entity
- Type 1 · individual
Also registered at 225 New Lancaster RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Alatalo, PTPhysical Therapist1245219112
- Kathryn Allen, LICSWSocial Worker1427505916
- Shawna Baker, DNPFamily Nurse Practitioner1912627399
- Amy Chau, NPFamily Nurse Practitioner1235840356
- Pamela Demar, FNP-BCFamily Nurse Practitioner1124358916
- Joseph Difranza, M.D.Family Medicine Physician1093798902
Verify Andrew Ahearn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2319623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4.8 times the Medicare Part D claims of the average registered nurse in 2024
5,155 Medicare Part D claims for 690 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 92 claims were for opioids.
Most prescribed
- Atorvastatin Calcium418 claims
- Lisinopril252 claims
- Amlodipine Besylate213 claims
- Omeprazole197 claims
- Levothyroxine Sodium184 claims
- Losartan Potassium183 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.
One hospital or facility affiliation
- Reliant Medical Group IncLeominster, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
43 registered nurse records list a Leominster practice address
They are 43 of the 1,151 NPPES records with a Leominster practice address, and 6,291 registered nurse records in Massachusetts.
All 43 in Leominster → All 6,291 in Massachusetts → Every provider in Leominster →
Other registered nurse records in Massachusetts
- Sabrina AbanoorBoston, MA1215818745
- Jennifer Abazorius, RNFitchburg, MA1467294462
- Kobina Abban-Saah, RNWest Roxbury, MA1770873309
- Adanesh AbbayCambridge, MA1639993652
- Alberta Abbuah, PMHNPFramingham, MA1437873411
- Israh AbdeljaberWorcester, MA1912629528
- Naheelah Abdullah, RNQuincy, MA1124848015
- Mutawakilu Abdulsalam, RNWestford, MA1598249740
- Nina AbelowitzConcord, MA1528201704
- Andrea Aberdale-SmithSpringfield, MA1871463885
Common questions
What is Andrew Ahearn, NP's NPI number?
Andrew Ahearn, NP's National Provider Identifier (NPI) is 1598309932, issued on Oct 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Ahearn, NP located?
The NPPES record lists a practice address at 225 New Lancaster RD, Leominster, MA, 01453. Phone: (978) 534-6500. Providers update this record themselves, so call before visiting.
How can I verify Andrew Ahearn, NP's license?
NPPES lists Massachusetts license number RN2319623, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Andrew Ahearn, NP prescribe under Medicare Part D?
In 2024, Andrew Ahearn, NP had 5,155 Medicare Part D claims for 690 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.