Doctor profile · Federal record
Dr. Cassandra Thomas, M.D.
Hematology & Oncology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Medical Oncology Physician · Student in an Organized Health Care Education/Training Program · Ventura, CA
- NPI 1376787416
- Accepts Medicare
- 17 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
300 Hillmont Ave Ste 501
Ventura, CA 930031651
(805) 652-6218 - Additional location
-
900 Medical Center Dr Ste 200
Sewell, NJ 080802358
(856) 557-7900 - Additional location
-
925 Chestnut St Ste 320A
Philadelphia, PA 191074216
(215) 955-8874
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- November 17, 2025
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (3)
- California #C184675 · Pennsylvania #MD446164 · New Jersey #25MA10384800
- Medicaid (2)
- PA #102756150 · NJ #0311057
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376787416. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
90
Distinct HCPCS
2
Medicare allowed
$13,541
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 60 | 57 | $136 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 30 | 27 | $179 |
In context: peer comparison
Among 2 peers in Ventura Hematology & Oncology Physician, average services per provider: 118. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$43
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $43.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
87
Patients
39
Total drug cost
$2,962
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 64 | 27 | $2,107 |
| Anastrozole | Generic | 23 | 12 | $855 |
Hospital affiliations
Frequently asked questions
What is Dr. Cassandra Thomas's medical specialty?
Dr. Cassandra Thomas practices Hematology & Oncology Physician in Ventura, CA.
Where does Dr. Cassandra Thomas practice?
Dr. Cassandra Thomas practices at 300 Hillmont Ave Ste 501, Ventura, CA 930031651. Office phone: 8056526218.
What is Dr. Cassandra Thomas's NPI?
Dr. Cassandra Thomas's National Provider Identifier (NPI) is 1376787416, issued by NPPES.
Does Dr. Cassandra Thomas accept Medicare assignment?
Yes. Dr. Cassandra Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Thomas commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.