Dr Rex Aaron Werner, OD - Medicare Optometrist in El Cajon, CA

Dr Rex Aaron Werner, OD is a medicare enrolled "Optometrist" provider in El Cajon, California. He went to Illinois College Of Optometry At Chicago and graduated in 2008 and has 16 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Rex Aaron Werner Od, Inc and his current practice location is 2650 Jamacha Rd, Suite 155, El Cajon, California. You can reach out to his office (for appointments etc.) via phone at (619) 670-6296.

Dr Rex Aaron Werner is licensed to practice in California (license number CA 13478TPA) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1821259458.

Contact Information

Dr Rex Aaron Werner, OD
2650 Jamacha Rd, Suite 155,
El Cajon, CA 92019-4319
(619) 670-6296
(619) 670-8852

Map and Direction




Healthcare Provider's Profile

Full NameDr Rex Aaron Werner
GenderMale
SpecialityOptometry
Experience16 Years
Location2650 Jamacha Rd, El Cajon, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Rex Aaron Werner attended and graduated from Illinois College Of Optometry At Chicago in 2008
  NPI Data:
  • NPI Number: 1821259458
  • Provider Enumeration Date: 06/17/2008
  • Last Update Date: 06/17/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 4688867302
  • Enrollment ID: I20101026000686

Medical Identifiers

Medical identifiers for Dr Rex Aaron Werner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821259458NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist CA 13478TPA (California)Primary
152WV0400XOptometrist - Vision Therapy CA 13478TPA (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rex Aaron Werner Od, Inc61031053334

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. Dr Rex Aaron Werner allows following entities to bill medicare on his behalf.
Provider NameRex Aaron Werner Od, Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1578010534
PECOS PAC ID: 6103105333
Enrollment ID: O20161110002576

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. Dr Rex Aaron 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 AddressPractice Location Address
Dr Rex Aaron Werner, OD
2650 Jamacha Rd, Suite 155,
El Cajon, CA 92019-4319

Ph: (619) 670-6296
Dr Rex Aaron Werner, OD
2650 Jamacha Rd, Suite 155,
El Cajon, CA 92019-4319

Ph: (619) 670-6296

Reviews and Comments


Optometrist in El Cajon, CA

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Phone: 619-444-9012    Fax: 619-444-0232
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Dr. Queen Lucky Thach, O.D.
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Practice Location: 2907 Jamacha Rd Ste A, El Cajon, CA 92019
Phone: 619-660-0272    Fax: 619-660-0310
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Phone: 619-441-0138    
Dr. Smit Ashok Patel, O.D.
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Practice Location: 1071 Broadway, El Cajon, CA 92021
Phone: 619-442-6686    Fax: 619-442-8023

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.