Cassie Shilo, NP
NPI 1801224555 · Nurse Practitioner · Worcester, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassie Shilo, NP is a Nurse Practitioner provider in Worcester, MA (NPI 1801224555).
Provider details
- NPI number
- 1801224555
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2275208 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
117 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $66 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 40 | $41 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 28 | $146 |
Typical Medicare-allowed amounts for these services range $41–$146 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-10-16
- Last updated
- 2020-11-23
- Certified
- 2020-11-23
Frequently asked questions
- What is Cassie Shilo's NPI number?
- Cassie Shilo's National Provider Identifier (NPI) is 1801224555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassie Shilo's specialty?
- Cassie Shilo is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassie Shilo located?
- Cassie Shilo's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605-2903.
- What is Cassie Shilo's phone number?
- The practice phone number listed in the NPPES registry for Cassie Shilo is (508) 334-8515.
- Does Cassie Shilo accept Medicare?
- Cassie Shilo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassie Shilo's NPI active?
- Yes — Cassie Shilo's NPI (1801224555) is active in the NPPES registry as of the last update on 2020-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.