Dr John Arthur Horning, MD - Medicare Emergency Medicine in San Bruno, CA

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Dr John Arthur Horning, MD is a medicare enrolled "Emergency Medicine" physician in San Bruno, California. His current practice location is 841 San Bruno Ave W Ste 100, San Bruno, California. You can reach out to his office (for appointments etc.) via phone at (415) 300-4436.

Dr John Arthur Horning is licensed to practice in California (license number G85580) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1033148523.

Contact Information

Dr John Arthur Horning, MD
841 San Bruno Ave W Ste 100,
San Bruno, CA 94066-3443
(415) 300-4436
(415) 367-1514

Map and Direction




Physician's Profile

Full NameDr John Arthur Horning
GenderMale
SpecialityEmergency Medicine
Location841 San Bruno Ave W Ste 100, San Bruno, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1033148523
  • Provider Enumeration Date: 06/30/2006
  • Last Update Date: 07/08/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5395798920
  • Enrollment ID: I20060203000181

Medical Identifiers

Medical identifiers for Dr John Arthur Horning such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033148523NPI-NPPES
8256638MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 33421 (Montana)Secondary
207P00000XEmergency Medicine G85580 (California)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. Dr John Arthur Horning allows following entities to bill medicare on his behalf.
Entity NameBay Area Pl Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932858628
PECOS PAC ID: 0143614305
Enrollment ID: O20220805002760

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 Arthur Horning 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 Arthur Horning, MD
321 Potrero Ave Ste A,
San Francisco, CA 94103-4816

Ph: (415) 300-4436		Dr John Arthur Horning, MD
841 San Bruno Ave W Ste 100,
San Bruno, CA 94066-3443

Ph: (415) 300-4436

Reviews and Comments


Emergency Medicine Doctors in San Bruno, CA

Karen Lee Feeney, M.D
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1310 El Camino Real Ste J, San Bruno, CA 94066
Phone: 650-270-2395    Fax: 650-270-2397
Dr. Christian Molstrom, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1310 El Camino Real Ste J, San Bruno, CA 94066
Phone: 650-270-2395    Fax: 650-270-2397

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.