Cassandra Fox, RN, FNP-C
NPI 1629723549 · Nurse Practitioner · Cambridge, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Fox, RN, FNP-C is a Nurse Practitioner provider in Cambridge, MA (NPI 1629723549).
Provider details
- NPI number
- 1629723549
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN2347590 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
35 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $87 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $59 |
Typical Medicare-allowed amounts for these services range $59–$87 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 76 | 16 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 35 | — |
| Ritonavir | 31 | — |
| Atorvastatin Calcium | 30 | — |
| Lisinopril | 30 | — |
| Darunavir | 25 | — |
| Apixabanbrand: Eliquis | 20 |
Practice location
Mailing address
Additional practice locations (1)
- 115 Mill StProctor 2Belmont, MA 02478Phone: (617) 855-2512
Registry dates
- Enumerated
- 2022-02-18
- Last updated
- 2022-09-15
- Certified
- 2022-07-13
Frequently asked questions
- What is Cassandra Fox's NPI number?
- Cassandra Fox's National Provider Identifier (NPI) is 1629723549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Fox's specialty?
- Cassandra Fox is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Fox located?
- Cassandra Fox's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1047.
- What is Cassandra Fox's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Fox is (617) 665-1606.
- Does Cassandra Fox accept Medicare?
- Cassandra Fox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Fox's NPI active?
- Yes — Cassandra Fox's NPI (1629723549) is active in the NPPES registry as of the last update on 2022-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.