Katherine Stephanie Perez, RN
Nurse Practitioner · Cambridge, MA
Katherine Stephanie Perez, RN is a nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1922786474, issued on Jul 6, 2023. Check the license (Massachusetts RN2328942, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Stephanie Perez
- Credential
- RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2328942 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1493 Cambridge St, Cambridge, MA 02139
- Phone
- (617) 665-1000
- Enumerated
- Jul 6, 2023
- Record last updated
- Nov 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20251113001079); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 1493 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Stephanie Perez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2328942Check 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
- Signature Healthcare Medical Group IncBrockton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Stephanie Perez among 3,480 nurse practitioner records in Massachusetts
Katherine Stephanie Perez, RN 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 2023, is newer than 86% of them.
- NPI issued2023 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2021 · median 2017 among the 1,963 with a school on file
- Record last updated2025 · 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).
52 nurse practitioner records list a practice address in Cambridge
They are 52 of the 5,145 NPPES records with a practice address in Cambridge, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Cambridge → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Paula Cushner, MSN, RN, ANP-BCCambridge, MA 021391306984372
- Jane D'Addario, MSN, NP-CCambridge, MA 021391508312760
- Denise Defilippi, APRNCambridge, MA 021391114939188
- Mary Elliot, APRNCambridge, MA 021391083773402
- Cassandra Fox, RN, FNP-CCambridge, MA 021391629723549
- Marie Girault, NPCambridge, MA 021391043379191
- Carol Katz, APRNCambridge, MA 021391871710137
- Margaret Lynch, APRNCambridge, MA 021391346466216
Common questions
What is Katherine Stephanie Perez, RN's NPI number?
Katherine Stephanie Perez, RN's National Provider Identifier (NPI) is 1922786474, issued on Jul 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Stephanie Perez, RN located?
The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 665-1000. Providers update this record themselves, so call before visiting.
How can I verify Katherine Stephanie Perez, RN's license?
NPPES lists Massachusetts license number RN2328942, 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.