Doctor profile · Federal record
Dr. Cassandra Tom, NP
Family Nurse Practitioner · Registered Nurse · Costa Mesa, CA
- NPI 1609325430
- 10 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
660 Baker St Ste A102
Costa Mesa, CA 926264407
(714) 668-2505
fax (714) 668-2515 - Additional location
-
4950 Barranca Pkwy Ste 104
Irvine, CA 926048644
(949) 857-1248
fax (949) 559-1165 - Mailing address
-
Po Box 2218
Suisun City, CA 945855218
Credentials & registration
- NPI registered
- September 2016 — 10 yrs on file
- Profile last updated
- February 26, 2026
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- California #95004905 · California #813037
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609325430. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
219
Distinct HCPCS
5
Medicare allowed
$20,123
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 83 | 73 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 77 | 68 | $118 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 28 | 28 | $104 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 17 | 17 | $66 | |
81002 |
Urinalysis, manual test | 14 | 11 | $3 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 92. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$237
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $115.48 | |
| Lilly USA, LLC | 3 | $66.89 | |
| Exact Sciences Corporation | 1 | $27.99 | |
| Boston Scientific Corporation | 1 | $26.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
363
Patients
338
Total drug cost
$4,054
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 71 | 70 | $757 |
| Methylprednisolone | Generic | 56 | 52 | $497 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 41 | 37 | $645 |
| Diclofenac Sodium | Generic | 39 | 31 | $988 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 38 | 36 | $550 |
| Azithromycin | Generic | 37 | 36 | $157 |
| Cephalexin | Generic | 27 | 24 | $170 |
| Prednisone | Generic | 22 | 22 | $37 |
| Mupirocin | Generic | 19 | 18 | $164 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 13 | 12 | $90 |
Frequently asked questions
What is Dr. Cassandra Tom's medical specialty?
Dr. Cassandra Tom practices Family Nurse Practitioner in Costa Mesa, CA.
Where does Dr. Cassandra Tom practice?
Dr. Cassandra Tom practices at 660 Baker St Ste A102, Costa Mesa, CA 926264407. Office phone: 7146682505.
What is Dr. Cassandra Tom's NPI?
Dr. Cassandra Tom's National Provider Identifier (NPI) is 1609325430, issued by NPPES.
What procedures does Dr. Cassandra Tom commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.