Cassandra Williams, DO
NPI 1487396511 · Student in an Organized Health Care Education/Training Program · Warrensville Heights, OH
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Williams, DO is a Student in an Organized Health Care Education/Training Program provider in Warrensville Heights, OH (NPI 1487396511).
Provider details
- NPI number
- 1487396511
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 18101 Lorain AveCleveland, OH 44111-5612Phone: (216) 476-7000
- 9500 Euclid Ave # Na-23Cleveland, OH 44195-6805Phone: (216) 444-2200
- 14601 Detroit AveLakewood, OH 44107-4205Phone: (216) 237-5500
Registry dates
- Enumerated
- 2022-04-09
- Last updated
- 2022-04-13
- Certified
- 2022-04-13
Frequently asked questions
- What is Cassandra Williams's NPI number?
- Cassandra Williams's National Provider Identifier (NPI) is 1487396511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Williams's specialty?
- Cassandra Williams is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Cassandra Williams located?
- Cassandra Williams's practice location on file with NPPES is 20000 Harvard Ave, Warrensville Heights, OH 44122-6805.
- What is Cassandra Williams's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Williams is (216) 491-6000.
- Does Cassandra Williams accept Medicare?
- Cassandra Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Williams's NPI active?
- Yes — Cassandra Williams's NPI (1487396511) is active in the NPPES registry as of the last update on 2022-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.