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DR. PRESTON ARNDT M.D.
NPI 1346303336
Family Medicine in Ojai, CA

Active since December 19, 2006PECOS EnrolledAccepts Medicare Assignment
411 W OJAI AVE STE B, OJAI, CA 93023(805) 233-4231(805) 273-0216 Get Directions Write a Review

NPPES record last updated: July 10, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 10, 2023, Jul 8, 2022 (2 updates tracked since 2022).

About Dr. Preston Arndt M.d. NPPES

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

DR. PRESTON ARNDT M.D. (NPI 1346303336) is an individual family medicine provider in Ojai, California, licensed in California (A78299) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2000).

NPPES Registry Identity

NPI1346303336
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. PRESTON ARNDTCredential: M.D.
Location Address411 W OJAI AVE STE BOjai, CA 93023-2443
Mailing Address333 Valley Vista DrCamarillo, CA 93010-1633 · (805) 910-5907 · Fax (805) 273-0216
Phone(805) 233-4231
Fax(805) 273-0216
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2000
Enumeration DateDecember 19, 2006
Last NPPES UpdateJuly 10, 20232 updates tracked since enumeration
NPPES CertifiedJuly 10, 2023
✔ NPI 1346303336 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 · A78299
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.
411 W OJAI AVE STE B, Ojai, CA 93023
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Preston Arndt 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 ID2567515901
PECOS Enrollment IDI20090731000569
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Preston Arndt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Preston Arndt, MD Inc.
Same address
Family Medicine
411 W OJAI AVE STE B
Ojai, CA 93023
  • Reassigned Medicare billing, California enrollment
NPI 1528791522 (805) 233-4231
County Of Ventura
12 mi
Federally Qualified Health Center (FQHC)
300 HILLMONT AVE STE 302
Ventura, CA 93003
  • Reassigned Medicare billing, California enrollment
  • 710 clinicians in this Medicare group
NPI 1619118569 (805) 652-6255

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
79 services44 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 services35 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
27 services27 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services17 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
15 services11 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93023 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 9

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
7 suppliers20 claims44 services$5.67 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers17 claims27 services$1.00 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers11 claims11 services$29.35 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers16 claims16 services$39.47 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
5 suppliers15 claims90 services$1.53 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier14 claims420 services$3.57 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

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

PRESTON ARNDT, MD INC.
Family Medicine
411 W OJAI AVE STE B
OJAI, CA 93023
Ventura County (805) 233-4231

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 Preston Arndt's NPI number?

The NPI number for Preston Arndt is 1346303336. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is Preston Arndt located?

Preston Arndt practices at 411 W Ojai Ave Ste B, Ojai, CA 93023. The listed phone number is (805) 233-4231.

What is Preston Arndt's specialty?

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

Is Preston Arndt enrolled in Medicare?

Yes. Preston Arndt 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.

Which organizations bill Medicare for Preston Arndt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Preston Arndt reassigns Medicare benefits to 2 organizations: Preston Arndt, MD Inc. (Ojai, CA) and County Of Ventura (Ventura, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Preston Arndt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Preston Arndt was last updated on July 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.