DR. CHRISTINE M JOHNSTON M.D.
NPI 1386831188
Family Medicine in Ventura, CA

Active since September 26, 2007PECOS EnrolledAccepts Medicare Assignment
200 S WELLS RD # 200, VENTURA, CA 93004(805) 659-1740(805) 659-9959 Get Directions Write a Review

NPPES record last updated: September 3, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Christine M Johnston M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTINE M JOHNSTON M.D. (NPI 1386831188) is an individual family medicine provider in Ventura, California, licensed in California (G77456) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (1992).

NPPES Registry Identity

NPI1386831188
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CHRISTINE M JOHNSTONCredential: M.D.
Location Address200 S WELLS RD # 200Ventura, CA 93004-1377
Mailing Address200 S Wells Rd # 200Ventura, CA 93004-1377 · (805) 659-1740 · Fax (805) 659-9959
Fax(805) 659-9959
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1992
Enumeration DateSeptember 26, 2007
Last NPPES UpdateSeptember 3, 2013
NPI 1386831188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · G77456
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

200 S WELLS RD # 200, Ventura, CA 93004

Other Identifiers 1

OtherG77456CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Christine M Johnston M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991766636
PECOS Enrollment IDI20041027001038
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
36 services20 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93004 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers63 claims159 services$5.14 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
1 supplier13 claims13 services$2.25 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers22 claims38 services$0.99 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$198.63 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
200 S WELLS RD # 200
VENTURA, CA 93004
Obstetrics & Gynecology
200 S WELLS RD # 200
VENTURA, CA 93004
Dentist (General Practice)
200 S WELLS RD # 200
VENTURA, CA 93004
Dentist (General Practice)
200 S WELLS RD # 200
VENTURA, CA 93004
Dentist (General Practice)
200 S WELLS RD # 200
VENTURA, CA 93004

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christine Johnston's NPI number?

The NPI number for Christine Johnston is 1386831188. It was assigned to this individual provider in the NPPES registry on September 26, 2007.

Where is Christine Johnston located?

Christine Johnston practices at 200 S Wells Rd # 200, Ventura, CA 93004. The listed phone number is (805) 659-1740.

What is Christine Johnston's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Christine Johnston enrolled in Medicare?

Yes. Christine Johnston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Christine Johnston was last updated on September 3, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.