Katherine Flaherty
Registered Nurse · Malden, MA
Katherine Flaherty is a registered nurse with a practice address in Malden, Massachusetts, and NPI 1497539522, issued on Aug 21, 2023. Check the license (Massachusetts RN2358830, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Flaherty
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- RN2358830 MA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Quarry LN Apt 3122, Malden, MA 02148
- Phone
- (203) 859-8128
- Enumerated
- Aug 21, 2023
- Record last updated
- Jan 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20231205002292); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 4,985 in Massachusetts → Look up another NPI →
Verify Katherine Flaherty in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2358830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Comprehensive Rehab Consultants PLLCCenterville, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Flaherty among 4,985 registered nurse records in Massachusetts
Katherine Flaherty is one of 4,985 registered nurse records with a practice address in Massachusetts. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 67% of them.
- NPI issued2023 · 67% of these records are older, 26% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 2% of these records are
- Graduated2023 · median 2022 among the 110 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 registered nurse records list a practice address in Malden
They are 42 of the 1,065 NPPES records with a practice address in Malden, and 4,985 registered nurse records in Massachusetts.
All 4,985 in Massachusetts → Every provider in Malden → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Sheila Buteau, RNMalden, MA 021481871905612
- Karen Chui, RNMalden, MA 021481346641180
- Ridiane Denis, RN, MDMalden, MA 021481477989002
- Joellen Edson, BSN, RN, CPONMalden, MA 021481295961035
- Caitlin Febres-Mazzei, RNMalden, MA 021481013278621
- Caitlin French, R.N.Malden, MA 021481477967362
- Stephany Jean, RNMalden, MA 021481588053813
- Patricia McElroy, RNMalden, MA 021481891097424
Common questions
What is Katherine Flaherty's NPI number?
Katherine Flaherty's National Provider Identifier (NPI) is 1497539522, issued on Aug 21, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Flaherty located?
The NPPES record lists a practice address at 12 Quarry LN Apt 3122, Malden, MA, 02148. Phone: (203) 859-8128. Providers update this record themselves, so call before visiting.
How can I verify Katherine Flaherty's license?
NPPES lists Massachusetts license number RN2358830, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.