Doctor profile · Federal record
Dr. Christine Johnston, M.D.
Family Medicine Physician (CMS: Family Practice) · Ventura, CA
- NPI 1386831188
- Accepts Medicare
- 34 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 S Wells RD # 200
Ventura, CA 930041377
(805) 659-1740
fax (805) 659-9959
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- September 3, 2013
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G77456
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386831188. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
80
Distinct HCPCS
3
Medicare allowed
$776
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
83036 |
Hemoglobin a1c level | 54 | 37 | $10 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 15 | 15 | $16 | |
81003 |
Automated urinalysis test | 11 | 11 | $2 |
In context: peer comparison
Among 60 peers in this city , average services per provider: 76. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,015
Patients
688
Total drug cost
$78,923
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 424 | 145 | $10,144 |
| Metformin Hcl | Generic | 277 | 97 | $5,016 |
| Lisinopril | Generic | 254 | 87 | $4,603 |
| Amlodipine Besylate | Generic | 199 | 65 | $3,221 |
| Losartan Potassium | Generic | 135 | 45 | $2,566 |
| Omeprazole | Generic | 109 | 35 | $2,631 |
| Levothyroxine Sodium | Generic | 89 | 26 | $2,084 |
| Gabapentin | Generic | 87 | 36 | $2,057 |
| Metoprolol Tartrate | Generic | 78 | 28 | $1,097 |
| Furosemide | Generic | 74 | 23 | $605 |
Frequently asked questions
What is Dr. Christine Johnston's medical specialty?
Dr. Christine Johnston practices Family Medicine Physician in Ventura, CA.
Where does Dr. Christine Johnston practice?
Dr. Christine Johnston practices at 200 S Wells RD # 200, Ventura, CA 930041377. Office phone: 8056591740.
What is Dr. Christine Johnston's NPI?
Dr. Christine Johnston's National Provider Identifier (NPI) is 1386831188, issued by NPPES.
Does Dr. Christine Johnston accept Medicare assignment?
Yes. Dr. Christine Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christine Johnston commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.