Corey Claffey, NP
Nurse Practitioner · Newton, MA
Corey Claffey, NP is a nurse practitioner with a practice address in Newton, Massachusetts, and NPI 1245893312, issued on Apr 15, 2019. Check the license (Massachusetts RN2280396, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Corey Claffey
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2280396 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Washington St Ste 361, Newton, MA 02462
- Phone
- (617) 243-5155
- Enumerated
- Apr 15, 2019
- Record last updated
- Jan 14, 2026
- Fax
- (617) 243-5090
- Medicare enrollment
- Enrolled (PECOS I20210303000249); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Verify Corey Claffey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2280396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average nurse practitioner in 2024
464 Medicare Part D claims for 292 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 155 claims were for opioids.
Most prescribed
- Amoxicillin146 claims
- Oxycodone Hcl104 claims
- Celecoxib37 claims
- Clindamycin Hcl32 claims
- Tramadol Hcl29 claims
- Hydromorphone Hcl22 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
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
- Physiotherapy Associates IncSouth Dennis, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Corey Claffey among 3,480 nurse practitioner records in Massachusetts
Corey Claffey, 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 2019, is newer than 63% of them.
- NPI issued2019 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2018 · median 2017 among the 1,963 with a school on file
- Record last updated2026 · 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).
28 nurse practitioner records list a practice address in Newton
They are 28 of the 2,975 NPPES records with a practice address in Newton, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Newton → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jennifer Balukonis, APRNNewton, MA 024621144210261
- Magen Bissell, NPNewton, MA 024621205338316
- William Danchanko, APRN-BCNewton, MA 024621942401997
- Mary Jane Estrada-Lyder, NPNewton, MA 024621427033257
- Katie Fadakar, WHNPNewton, MA 024621265755466
- Lisa Keller, NPNewton, MA 024621568529014
- Jaclyn Norris, NPNewton, MA 024621548628787
- Melissa Rubinsky, RN,ACNS-BC,AGPCNP-BCNewton, MA 024621821340951
Common questions
What is Corey Claffey, NP's NPI number?
Corey Claffey, NP's National Provider Identifier (NPI) is 1245893312, issued on Apr 15, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Corey Claffey, NP located?
The NPPES record lists a practice address at 2014 Washington St Ste 361, Newton, MA, 02462. Phone: (617) 243-5155. Providers update this record themselves, so call before visiting.
How can I verify Corey Claffey, NP's license?
NPPES lists Massachusetts license number RN2280396, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Corey Claffey, NP prescribe under Medicare Part D?
In 2024, Corey Claffey, NP had 464 Medicare Part D claims for 292 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.