Dr John Francis Maher Iii, MD - Medicare Ophthalmology in Torrance, CA

Dr John Francis Maher Iii, MD is a medicare enrolled "Ophthalmology" physician in Torrance, California. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1981 and has 43 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Marshall B Ketchum University and his current practice location is 22924 Crenshaw Blvd, Torrance, California. You can reach out to his office (for appointments etc.) via phone at (424) 328-0091.

Dr John Francis Maher Iii is licensed to practice in California (license number G54565) 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 1265561211.

Contact Information

Dr John Francis Maher Iii, MD
22924 Crenshaw Blvd,
Torrance, CA 90505-3023
(424) 328-0091
(424) 328-0094

Map and Direction




Physician's Profile

Full NameDr John Francis Maher Iii
GenderMale
SpecialityOphthalmology
Experience43 Years
Location22924 Crenshaw Blvd, Torrance, 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 John Francis Maher Iii attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1981
  NPI Data:
  • NPI Number: 1265561211
  • Provider Enumeration Date: 03/05/2007
  • Last Update Date: 10/04/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 1658398672
  • Enrollment ID: I20051028000884

Medical Identifiers

Medical identifiers for Dr John Francis Maher Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265561211NPI-NPPES
330449875OtherCIGNA
330449875OtherTAX ID
G54565OtherPIN #
000198598OtherPAHIGHMARK BLUE SHIELD
00G545651MedicaidCA
180004317OtherRAILROAD MEDICARE
330449875OtherUNITED HEALTHCARE
00G545650OtherCABLUE SHIELD
0004080884OtherAETNA
330449875OtherILBLUE CROSS BLUE SHIELD OF
330449875OtherCABLUE CROSS OF CALIF
330449875OtherWITRICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology G54565 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Little Company Of Mary Med Ctr TorranceTorrance, CAHospital

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 John Francis Maher Iii allows following entities to bill medicare on his behalf.
Entity NameMarshall B Ketchum University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720101876
PECOS PAC ID: 9739075177
Enrollment ID: O20040224000463

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 John Francis Maher Iii 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 John Francis Maher Iii, MD
22924 Crenshaw Blvd,
Torrance, CA 90505-3023

Ph: (424) 328-0091
Dr John Francis Maher Iii, MD
22924 Crenshaw Blvd,
Torrance, CA 90505-3023

Ph: (424) 328-0091

Reviews and Comments


Ophthalmology Doctors in Torrance, CA

Dr. Arbi Khemichian, MD
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Practice Location: 21320 Hawthorne Blvd. #104, Torrance, CA 90503
Phone: 310-543-2611    
Dr. Angus R Macdonald, MD
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Practice Location: 3445 Pacific Coast Hwy, Torrance, CA 90505
Phone: 310-602-5060    
Dan Sakamoto, M.D.
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Practice Location: 3400 Lomita Blvd, Ste# 202, Torrance, CA 90505
Phone: 310-539-7474    Fax: 310-539-3755
Mark Volpicelli, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 3828 Sepulveda Blvd, Torrance, CA 90505
Phone: 310-504-1622    Fax: 424-271-9248
Shyun Jeng, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 21350 Hawthorne Blvd, 168, Torrance, CA 90503
Phone: 310-792-9229    
Dr. Alex Chunhsien Liu, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 23441 Madison St, Suite 120, Torrance, CA 90505
Phone: 310-791-2233    Fax: 310-791-1144

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.