Cassandra Blackwell, P.A.
NPI 1265476964 · Physician Assistant · Tuolumne, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Blackwell, P.A. is a Physician Assistant provider in Tuolumne, CA (NPI 1265476964).
Provider details
- NPI number
- 1265476964
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- PA15883 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 37 | 11 |
| Escitalopram Oxalate | 33 | — |
| Trazodone Hcl | 27 | — |
| Lamotrigine | 21 | — |
| Hydroxyzine Hcl | 18 | — |
| Quetiapine Fumarate | 18 | — |
| Gabapentin | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2008-04-23
Frequently asked questions
- What is Cassandra Blackwell's NPI number?
- Cassandra Blackwell's National Provider Identifier (NPI) is 1265476964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Blackwell's specialty?
- Cassandra Blackwell is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Blackwell located?
- Cassandra Blackwell's practice location on file with NPPES is 18880 Cherry Valley Blvd., Tuolumne, CA 95379.
- What is Cassandra Blackwell's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Blackwell is (209) 928-5400.
- Does Cassandra Blackwell accept Medicare?
- Cassandra Blackwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Blackwell's NPI active?
- Yes — Cassandra Blackwell's NPI (1265476964) is active in the NPPES registry as of the last update on 2008-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.