Dr Alexander Craig Walsh, MD - Medicare Ophthalmology in Pasadena, CA

Dr Alexander Craig Walsh, MD is a medicare enrolled "Ophthalmology" physician in Pasadena, California. He went to Columbia University College Of Physicians And Surgeons and graduated in 1998 and has 26 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Retina Vitreous Associates Medical Group and his current practice location is 301 S Fair Oaks Ave Ste 407, Pasadena, California. You can reach out to his office (for appointments etc.) via phone at (262) 041-4106.

Dr Alexander Craig Walsh is licensed to practice in California (license number A079504) 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 1043301740.

Contact Information

Dr Alexander Craig Walsh, MD
301 S Fair Oaks Ave Ste 407,
Pasadena, CA 91105-2562
(262) 041-4106
(213) 975-9118

Map and Direction




Physician's Profile

Full NameDr Alexander Craig Walsh
GenderMale
SpecialityOphthalmology
Experience26 Years
Location301 S Fair Oaks Ave Ste 407, Pasadena, 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 Alexander Craig Walsh attended and graduated from Columbia University College Of Physicians And Surgeons in 1998
  NPI Data:
  • NPI Number: 1043301740
  • Provider Enumeration Date: 09/27/2006
  • Last Update Date: 11/11/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5890753909
  • Enrollment ID: I20041221000536

Medical Identifiers

Medical identifiers for Dr Alexander Craig Walsh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043301740NPI-NPPES
W3452OtherCAMEDICARE
00A795040MedicaidCA
00A795040OtherCABLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology A079504 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Retina Vitreous Associates Medical Group579976958413

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 Alexander Craig Walsh allows following entities to bill medicare on his behalf.
Entity NameRetina Vitreous Associates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134164023
PECOS PAC ID: 5799769584
Enrollment ID: O20040617001206

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 Alexander Craig Walsh 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 Alexander Craig Walsh, MD
1245 Wilshire Blvd Ste 380,
Los Angeles, CA 90017-4886

Ph: (213) 483-8810
Dr Alexander Craig Walsh, MD
301 S Fair Oaks Ave Ste 407,
Pasadena, CA 91105-2562

Ph: (262) 041-4106

Reviews and Comments


Ophthalmology Doctors in Pasadena, CA

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Dr. Marta L. Mora, M.D.
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Phone: 626-796-7006    Fax: 626-796-9990
Meriel L Wu, MD
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Practice Location: 10 Congress St, #340, Pasadena, CA 91105
Phone: 626-796-5325    Fax: 626-796-5526
Dr. Jeffrey Lyle Stevens, M.D.
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Medicare: May Accept Medicare Assignments
Practice Location: 100 E California Blvd, Pasadena, CA 91105
Phone: 626-568-8838    Fax: 626-583-8838

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.