Cassandra Simonich, MD, PHD
NPI 1508494329 · Pediatric Infectious Diseases Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Simonich, MD, PHD is a Pediatric Infectious Diseases Physician provider in Seattle, WA (NPI 1508494329).
Provider details
- NPI number
- 1508494329
- Entity type
- Individual
- Primary specialty
- Pediatric Infectious Diseases PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- MD61655335 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-28
- Last updated
- 2026-03-25
- Certified
- 2026-03-25
Frequently asked questions
- What is Cassandra Simonich's NPI number?
- Cassandra Simonich's National Provider Identifier (NPI) is 1508494329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Simonich's specialty?
- Cassandra Simonich is listed in the NPPES registry with a primary specialty of Pediatric Infectious Diseases Physician (Allopathic & Osteopathic Physicians).
- Where is Cassandra Simonich located?
- Cassandra Simonich's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105-3901.
- What is Cassandra Simonich's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Simonich is (206) 987-2525.
- Does Cassandra Simonich accept Medicare?
- Cassandra Simonich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Simonich's NPI active?
- Yes — Cassandra Simonich's NPI (1508494329) is active in the NPPES registry as of the last update on 2026-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.