Cassandra Fox, RN, FNP-C
Nurse Practitioner · Cambridge, MA
Cassandra Fox, RN, FNP-C is a nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1629723549, issued on Feb 18, 2022. Check the license (Massachusetts RN2347590, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra Fox
- Credential
- RN, FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2347590 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1493 Cambridge St, Cambridge, MA 02139
- Phone
- (617) 665-1606
- Enumerated
- Feb 18, 2022
- Record last updated
- Sep 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20221209002513); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- 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 Cassandra Fox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2347590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average nurse practitioner in 2024
609 Medicare Part D claims for 59 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Biktarvy76 claims
- Descovy35 claims
- Ritonavir31 claims
- Atorvastatin Calcium30 claims
- Lisinopril30 claims
- Darunavir25 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cambridge Public Health CommissionCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandra Fox among 3,480 nurse practitioner records in Massachusetts
Cassandra Fox, RN, FNP-C 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 2022, is newer than 80% of them.
- NPI issued2022 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2022 · median 2017 among the 1,963 with a school on file
- Record last updated2022 · 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
- Marie Girault, NPCambridge, MA 021391043379191
- Carol Katz, APRNCambridge, MA 021391871710137
- Margaret Lynch, APRNCambridge, MA 021391346466216
- Katherine Perez, RNCambridge, MA 021391922786474
Common questions
What is Cassandra Fox, RN, FNP-C's NPI number?
Cassandra Fox, RN, FNP-C's National Provider Identifier (NPI) is 1629723549, issued on Feb 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Fox, RN, FNP-C located?
The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 665-1606. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Fox, RN, FNP-C's license?
NPPES lists Massachusetts license number RN2347590, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra Fox, RN, FNP-C prescribe under Medicare Part D?
In 2024, Cassandra Fox, RN, FNP-C had 609 Medicare Part D claims for 59 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Cassandra Fox, RN, FNP-C's MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.