Karen A Alvarez, OD - Medicare Optometrist in Yuma, AZ

Karen A Alvarez, OD is a medicare enrolled "Optometrist" provider in Yuma, Arizona. Her current practice location is 2149 W 24th St, Yuma, Arizona. You can reach out to her office (for appointments etc.) via phone at (928) 726-1100.

Karen A Alvarez is licensed to practice in Arizona (license number OPT-002869) 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 1164215364.

Contact Information

Karen A Alvarez, OD
2149 W 24th St,
Yuma, AZ 85364-6136
(928) 726-1100
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameKaren A Alvarez
GenderFemale
SpecialityOptometrist
Location2149 W 24th St, Yuma, Arizona
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1164215364
  • Provider Enumeration Date: 05/28/2025
  • Last Update Date: 08/05/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 5991219792
  • Enrollment ID: I20250703002537

Medical Identifiers

Medical identifiers for Karen A Alvarez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164215364NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist OPT-002869 (Arizona)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. Karen A Alvarez allows following entities to bill medicare on her behalf.
Provider NameYuma Vision Center, Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1790972388
PECOS PAC ID: 0840276390
Enrollment ID: O20040625000934
Provider NameOptometric Consulting Services, Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1285200022
PECOS PAC ID: 8426434796
Enrollment ID: O20221011000644

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. Karen A Alvarez 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
Karen A Alvarez, OD
2149 W 24th St,
Yuma, AZ 85364-6136

Ph: (928) 726-1100
Karen A Alvarez, OD
2149 W 24th St,
Yuma, AZ 85364-6136

Ph: (928) 726-1100

Reviews and Comments


Optometrist in Yuma, AZ

Leigha Davis Little, O.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 2149 W 24th St, Yuma, AZ 85364
Phone: 928-726-1100    
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Practice Location: 182 W 32nd St, Yuma, AZ 85364
Phone: 928-726-7757    Fax: 928-726-2239
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Dr. Jill Caporelli, OD
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Namita Arora, OD
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Practice Location: 2149 W 24th St, Yuma, AZ 85364
Phone: 928-726-1100    Fax: 928-341-0881
Dr. Karen D Young, OD
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Phone: 928-783-9296    
Nationwide Vision
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Practice Location: 182 W 32nd St, Yuma, AZ 85364
Phone: 928-726-7757    Fax: 928-726-2239

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.