John Holloway, DO - Medicare Diagnostic Radiology in San Francisco, CA

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John Holloway, DO is a medicare enrolled "Radiology - Diagnostic Radiology" physician in San Francisco, California. He graduated from medical school in 2019 and has 6 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Uc Regents, Image Guided Therapeutics Inc and his current practice location is 450 Stanyan St, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (714) 456-8888.

John Holloway is licensed to practice in California (license number 20A22658) 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 1386207801.

Contact Information

John Holloway, DO
450 Stanyan St,
San Francisco, CA 94117-1019
(714) 456-8888
Not Available

Map and Direction




Physician's Profile

Full NameJohn Holloway
GenderMale
SpecialityDiagnostic Radiology
Experience6 Years
Location450 Stanyan St, San Francisco, 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:
  • John Holloway graduated from medical school in 2019
  NPI Data:
  • NPI Number: 1386207801
  • Provider Enumeration Date: 04/19/2019
  • Last Update Date: 06/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0042549628
  • Enrollment ID: I20240625002812

Medical Identifiers

Medical identifiers for John Holloway such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386207801NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 20A22658 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of California Irvine Medical CenterOrange, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Uc Regents327444618284
Image Guided Therapeutics Inc660887489616

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. John Holloway allows following entities to bill medicare on his behalf.
Entity NameUc Regents
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346298528
PECOS PAC ID: 3274446182
Enrollment ID: O20031106000833
Entity NameImage Guided Therapeutics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316968910
PECOS PAC ID: 6608874896
Enrollment ID: O20061122000480

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. John Holloway 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
John Holloway, DO
450 Stanyan St,
San Francisco, CA 94117-1019

Ph: () -		John Holloway, DO
450 Stanyan St,
San Francisco, CA 94117-1019

Ph: (714) 456-8888

Reviews and Comments


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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).

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