Doctor profile · Federal record
Dr. Karen Hamilton, PA-C
Physician Assistant · Elk Grove, CA
- NPI 1821102328
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8170 Laguna Blvd, Suite 113
Elk Grove, CA 957587901
(916) 478-6561
fax (916) 478-6573 - Mailing address
-
10470 Old Placerville RD, Suite 100
Sacramento, CA 958272539
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 29, 2015
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA 18075
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821102328. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
311
Distinct HCPCS
7
Medicare allowed
$24,983
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 133 | 133 | $115 | |
81003 |
Automated urinalysis test | 52 | 51 | $2 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 51 | 50 | $82 | |
36415 |
Insertion of needle into vein for collection of blood sample | 21 | 21 | $8 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $150 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 19 | 19 | $100 | |
96372 |
Injection of drug or substance under skin or into muscle | 14 | 14 | $13 |
In context: peer comparison
Among 5 peers in Elk Grove Physician Assistant, average services per provider: 40. This provider delivers 7.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
72
Patients
72
Total drug cost
$652
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 39 | 39 | $351 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 20 | 20 | $97 |
| Doxycycline Monohydrate | Generic | 13 | 13 | $204 |
Frequently asked questions
What is Dr. Karen Hamilton's medical specialty?
Dr. Karen Hamilton practices Physician Assistant in Elk Grove, CA.
Where does Dr. Karen Hamilton practice?
Dr. Karen Hamilton practices at 8170 Laguna Blvd, Elk Grove, CA 957587901. Office phone: 9164786561.
What is Dr. Karen Hamilton's NPI?
Dr. Karen Hamilton's National Provider Identifier (NPI) is 1821102328, issued by NPPES.
Does Dr. Karen Hamilton accept Medicare assignment?
Yes. Dr. Karen Hamilton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Hamilton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Automated urinalysis test (HCPCS 81003); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.