Dena Werner, MD in Ventura, CA - Medicare Internal Medicine

Dena Werner, MD is a medicare enrolled "Internal Medicine" physician in Ventura, California. Her current practice location is 2721 E Main St, Ventura, California. You can reach out to her office (for appointments etc.) via phone at (805) 667-2841.

Dena Werner is licensed to practice in California (license number A127060) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1669758918.

Contact Information

	Dena Werner, MD
	2721 E Main St, Ventura, CA 93003-2803
	(805) 667-2841
	Not Available

Map and Direction

Physician's Profile

Full Name	Dena Werner
Gender	Female
Speciality	Internal Medicine
Location	2721 E Main St, Ventura, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1669758918
Provider Enumeration Date: 11/01/2011
Last Update Date: 10/28/2025

Medicare PECOS Information:

PECOS PAC ID: 0941588198
Enrollment ID: I20161024001050

Medical Identifiers

Medical identifiers for Dena Werner such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1669758918	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	A127060 (California)	Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dena Werner allows following entities to bill medicare on her behalf.

Entity Name	County Of Ventura
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629167457 PECOS PAC ID: 7911810171 Enrollment ID: O20031112000587

Entity Name	Community Memorial Health System
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1215903018 PECOS PAC ID: 9537155676 Enrollment ID: O20040422001668

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dena Werner is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dena Werner, MD 325 W Channel Islands Blvd, Oxnard, CA 93033-4501 Ph: () -	Dena Werner, MD 2721 E Main St, Ventura, CA 93003-2803 Ph: (805) 667-2841

Reviews and Comments

Internal Medicine Doctors in Ventura, CA

Dr. Cory Michael Lee Nitzel, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 300 Hillmont Ave Ste 503, Ventura, CA 93003 Phone: 805-652-5787
James Tynan Daly, DO Internal Medicine Medicare: Medicare Enrolled Practice Location: 147 N Brent St, Ventura, CA 93003 Phone: 805-948-5672
Dr. Vimal Vermani, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 300 Hillmont Ave Ste 401, Ventura, CA 93003 Phone: 805-648-9830
Dr. Jeffrey C Brackett, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 100 N Brent St Ste 301, Ventura, CA 93003 Phone: 085-653-0101
Dr. Alexander Jehlar Jr., M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 5855 Olivas Park Dr, Ventura, CA 93003 Phone: 805-667-2801
Martha Gonzalez, M.D., M.P.H Internal Medicine Medicare: May Accept Medicare Assignments Practice Location: 116 N. Brent Street, Ventura, CA 93003 Phone: 805-656-4311 Fax: 805-643-5020
Dr. Stephanus R Philip, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3291 Loma Vista Rd, Ventura, CA 93003 Phone: 805-652-6075 Fax: 805-652-6286

Dena Werner, MD - Medicare Internal Medicine in Ventura, CA