Cassandra B. Blackwell, PA
- Part D claims, 2024
- 319
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1000 Greenley Road, Sonora, CA 95370
- Practice phone
- Call (209) 536-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Cassandra Blackwell's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Cassandra B. Blackwell is a physician assistant in Sonora, California
Cassandra Blackwell practices at Adventist Health Sonora in Sonora, California, part of Adventist Health.
Cassandra Blackwell's NPI, 1265476964, was assigned on June 15, 2006. Cassandra Blackwell holds California license PA15883.
- NPI
- 1265476964NPI Registry (opens in a new tab)
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Practice phone
- (209) 536-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cassandra B. Blackwell practices at Adventist Health Sonora in Sonora, California
Cassandra Blackwell's primary practice is Adventist Health Sonora, at 1000 Greenley Road, Sonora, CA 95370 in Tuolumne County. The practice phone is (209) 536-5000.
- Adventist Health Sonora1000 Greenley Road, Sonora, CA 95370 · Tuolumne CountyPhone(209) 536-5000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cassandra B. Blackwell is affiliated with 1 site of care and 1 medical group
Cassandra Blackwell's primary practice is Adventist Health Sonora in Sonora, California, part of Adventist Health. The medical group on file is Adventist Health Sonora.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cassandra B. Blackwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cassandra Blackwell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Sonora | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Cassandra B. Blackwell is one of 11,482 physician assistants in California
Physician assistant is Cassandra Blackwell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Cassandra Blackwell is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists alcohol use disorders, anxiety, bipolar disorder, depression, insomnia, non-alzheimer's dementia (chronic) and schizophrenia among the conditions Cassandra Blackwell treats.
Physician assistants near Cassandra Blackwell
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Cassandra B. Blackwell's patients have a median age of 89
Across all payers, Dmand AI patient panel data puts Cassandra Blackwell's median patient age at 89, with 100% women.
Cassandra Blackwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 89
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Cassandra B. Blackwell wrote 319 Medicare Part D claims in 2024
In 2024, Cassandra Blackwell wrote 319 Medicare Part D claims for 38 patients. 91% of them were for generic drugs. CMS names the drug for 220 of them, across 11 drugs with 11 or more claims each, at $3,719 in total drug cost.
Cassandra Blackwell's Part D claims by kind of drug, 2024
- Generic291 claims91%
- Brand-name28 claims9%
Cassandra Blackwell's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Cassandra Blackwell's Part D claims, 2024
- Antipsychotics, patients 65 and over13%41 of 319 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Cassandra B. Blackwell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Cassandra B. Blackwell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cassandra B. Blackwell's NPI number?
Cassandra B. Blackwell's NPI number is 1265476964. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What does Cassandra B. Blackwell specialize in?
Cassandra B. Blackwell is a physician assistant in Sonora, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Cassandra B. Blackwell practice?
Cassandra Blackwell practices at 1000 Greenley Road, Sonora, CA 95370. Cassandra Blackwell's primary practice is Adventist Health Sonora in Sonora, California, part of Adventist Health.
What is Cassandra B. Blackwell's office phone number?
The practice phone on file for Cassandra Blackwell is (209) 536-5000.
What is Cassandra B. Blackwell's medical license number?
Cassandra Blackwell holds California license PA15883.
Which hospitals is Cassandra B. Blackwell affiliated with?
Cassandra Blackwell practices at Adventist Health Sonora in Sonora, California.
What medical group is Cassandra B. Blackwell part of?
Cassandra Blackwell is linked to Adventist Health Sonora.
What drugs does Cassandra B. Blackwell prescribe most?
In 2024 Medicare Part D data, Cassandra Blackwell's most prescribed drugs by claims were Buspirone HCl, Escitalopram Oxalate and Trazodone HCl.
How long has Cassandra B. Blackwell been practicing?
Cassandra Blackwell graduated from medical school in 2001, 25 years ago.
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