DENA WERNER M.D.
NPI 1669758918
Internal Medicine in Ventura, CA

Active since November 01, 2011PECOS Enrolled
2721 E MAIN ST, VENTURA, CA 93003(805) 667-2841 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 3, 2022, May 3, 2021, Oct 11, 2016 and 1 more (4 updates tracked since 2016).

About Dena Werner M.d. NPPES

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

DENA WERNER M.D. (NPI 1669758918) is an individual internal medicine provider in Ventura, California, licensed in California (A127060) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1669758918
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDENA WERNERCredential: M.D.
Location Address2721 E MAIN STVentura, CA 93003-2803
Mailing Address325 W Channel Islands BlvdOxnard, CA 93033-4501
Sole ProprietorNo
Enumeration DateNovember 1, 2011
Last NPPES UpdateOctober 28, 20254 updates tracked since enumeration
NPPES CertifiedOctober 28, 2025
NPI 1669758918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A127060
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2721 E MAIN ST, Ventura, CA 93003

Secondary Practice Locations 4

Location 1300 Hillmont AveVentura, CA 93003-1651 · Phone (805) 652-6000
Location 2325 W Channel Islands BlvdOxnard, CA 93033-4501 · Phone (805) 240-7000
Location 32400 S C StOxnard, CA 93033-4555 · Phone (805) 240-7000
Location 4300 Hillmont Ave Ste 502Ventura, CA 93003-1651 · Phone (805) 652-6222

Medicare Participation & PECOS Enrollment Status

Dena Werner is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    4 DME suppliers used 15 Medicare Claims 39 Services Paid

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 93003 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $140.72
  • Minimum New Patient Price $62.32
  • Maximum New Patient Price $185.36
  • Average New Patient Copayment $35.18
  • Minimum New Patient Copayment $15.58
  • Maximum New Patient Copayment $46.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $108.74
  • Minimum Established Patient Price $20.68
  • Maximum Established Patient Price $151.85
  • Average Established Patient Copayment $27.18
  • Minimum Established Patient Copayment $5.17
  • Maximum Established Patient Copayment $37.96

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for DENA WERNER M.D.

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Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Internal Medicine (Infectious Disease)
2721 E MAIN ST
VENTURA, CA 93003
Family Medicine
2721 E MAIN ST
VENTURA, CA 93003
Obstetrics & Gynecology
2721 E MAIN ST
VENTURA, CA 93003
Family Medicine
2721 E MAIN ST
VENTURA, CA 93003
Family Medicine
2721 E MAIN ST
VENTURA, CA 93003
Clinic/Center (Adolescent and Children Mental Health)
2721 E MAIN ST
VENTURA, CA 93003
Pharmacist
2721 E MAIN ST
VENTURA, CA 93003
Family Medicine
2721 E MAIN ST
VENTURA, CA 93003
Clinic/Center (Multi-Specialty)
2721 E MAIN ST
VENTURA, CA 93003
Family Medicine
2721 E MAIN ST
VENTURA, CA 93003

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669758918, enumerated as an "individual" on November 01, 2011.

The provider is located at 2721 E MAIN ST VENTURA, CA 93003 and the phone number is (805) 667-2841.

Internal Medicine with taxonomy code 207R00000X.