Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Cassandra Leigh Thomas, MD

Individual provider Hematology & Oncology Physician · NPI 1376787416

Cassandra Leigh Thomas, MD is an Internal Medicine in Ventura, California. Qualified in 2009, 17 years ago. Practices with Community Memorial Health System, a 187-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California, New Jersey and Pennsylvania.

Years since qualifying
17
Licensed in
CA, NJ, PA
In the registry since
2009
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Hillmont Ave Ste 501
Ventura, CA 93003-1651
Phone: (805) 652-6218
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 900 Medical Center Dr Ste 200, Sewell, NJ 08080-2358 — (856) 557-7900
  • 925 Chestnut St Ste 320a, Philadelphia, PA 19107-4216 — (215) 955-8874

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence C184675 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD446164 (PA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 25MA10384800 (NJ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1376787416
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2009
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Community Memorial Health System — 187 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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