Cassandra Blackwell, P.A.
Physician Assistant · Tuolumne, CA
Cassandra Blackwell, P.A. is a physician assistant with a practice address in Tuolumne, California, and NPI 1265476964, issued on Jun 15, 2006. Check the license (California PA15883, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra Blackwell
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA15883 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18880 Cherry Valley Blvd., Tuolumne, CA 95379
- Phone
- (209) 928-5400
- Enumerated
- Jun 15, 2006
- Record last updated
- Apr 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 928-5412
- Medicaid ID
- THP71070F CA
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Cassandra Blackwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA15883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average physician assistant in 2024
319 Medicare Part D claims for 38 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Buspirone Hcl37 claims
- Escitalopram Oxalate33 claims
- Trazodone Hcl27 claims
- Lamotrigine21 claims
- Hydroxyzine Hcl18 claims
- Quetiapine Fumarate18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Cassandra Blackwell among 14,451 physician assistant records in California
Cassandra Blackwell, P.A. is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2008 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 physician assistant records list a practice address in Tuolumne
They are 2 of the 27 NPPES records with a practice address in Tuolumne, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Tuolumne → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nicole Rincon, PA-CTuolumne, CA 953791023205903
- Christine Cavanaugh, PATurlock, CA 953801871548115
- Frederick Curtis, P.A.Tracy, CA 953781831505809
- Leticia DiazTurlock, CA 953801346882800
- Jarrod Doering, PA-CTurlock, CA 953801114466679
- Ryan Higgins, PATurlock, CA 953801205482601
- Melanie Houser, PA-CTurlock, CA 953801356786123
- Mackenzie Upton, PA-CTurlock, CA 953801861251167
Common questions
What is Cassandra Blackwell, P.A.'s NPI number?
Cassandra Blackwell, P.A.'s National Provider Identifier (NPI) is 1265476964, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Blackwell, P.A. located?
The NPPES record lists a practice address at 18880 Cherry Valley Blvd., Tuolumne, CA, 95379. Phone: (209) 928-5400. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Blackwell, P.A.'s license?
NPPES lists California license number PA15883, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra Blackwell, P.A. prescribe under Medicare Part D?
In 2024, Cassandra Blackwell, P.A. had 319 Medicare Part D claims for 38 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.