Christopher Joseph Keys, MD - Medicare Anesthesiology in San Francisco, CA

Christopher Joseph Keys, MD is a medicare enrolled "Anesthesiology - Pain Medicine" physician in San Francisco, California. He went to Stanford University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Anesthesiologists Medical Group Of San Francisco Inc. and his current practice location is 900 Hyde St, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 353-6000.

Christopher Joseph Keys is licensed to practice in California (license number G71107) 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 1568556462.

Contact Information

Christopher Joseph Keys, MD
900 Hyde St,
San Francisco, CA 94109-4806
(415) 353-6000
Not Available

Map and Direction




Physician's Profile

Full NameChristopher Joseph Keys
GenderMale
SpecialityAnesthesiology
Experience35 Years
Location900 Hyde 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:
  • Christopher Joseph Keys attended and graduated from Stanford University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1568556462
  • Provider Enumeration Date: 10/03/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4981768389
  • Enrollment ID: I20090130000005

Medical Identifiers

Medical identifiers for Christopher Joseph Keys such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568556462NPI-NPPES
00G711070MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology G71107 (California)Primary
207LP2900XAnesthesiology - Pain Medicine G71107 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Saint Francis Memorial HospitalSan francisco, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Anesthesiologists Medical Group Of San Francisco Inc.882098650814

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. Christopher Joseph Keys allows following entities to bill medicare on his behalf.
Entity NameAnesthesiologists Medical Group Of San Francisco Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154379436
PECOS PAC ID: 8820986508
Enrollment ID: O20040304001382

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. Christopher Joseph Keys 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
Christopher Joseph Keys, MD
Po Box 7793,
San Francisco, CA 94120-7793

Ph: (503) 372-2740
Christopher Joseph Keys, MD
900 Hyde St,
San Francisco, CA 94109-4806

Ph: (415) 353-6000

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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