Christopher Joseph Keys, MD
Pain Medicine (Anesthesiology) Physician · San Francisco, CA
Christopher Joseph Keys, MD is a pain medicine (anesthesiology) physician with a practice address in San Francisco, California, and NPI 1568556462, issued on Oct 3, 2006. Check the license (California G71107, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Joseph Keys
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- G71107 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Hyde St, San Francisco, CA 94109
- Phone
- (415) 353-6000
- Enumerated
- Oct 3, 2006
- Record last updated
- Sep 11, 2025
- Medicaid ID
- 00G711070 CA
- Medicare enrollment
- Enrolled (PECOS I20090130000005); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Also registered at 900 Hyde St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Benzian, MDDiagnostic Radiology Physician1619924032
- Richard Blake, D.P.M.Podiatrist1770559924
- Elsa Burger, LCSWClinical Social Worker1407149131
Verify Christopher Joseph Keys in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Anesthesiologists Medical Group OF San Francisco Inc.San Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Joseph Keys among 536 pain medicine (anesthesiology) physician records in California
Christopher Joseph Keys, MD is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1989 · median 2004 among the 367 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Every provider in San Francisco → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Aditi Saraswat, M.D.San Francisco, CA 941091952741233
- Efren Baria, DOSan Francisco, CA 941101609982115
- Adrian Bartoli, MD, MSSan Francisco, CA 941101154448256
- Kenneth Drasner, MDSan Francisco, CA 941101912965807
- Carlyle Hamsher, M.D.San Francisco, CA 941101619268893
- Samer Michaels, MDSan Francisco, CA 941101528176070
- Chris Abrecht, M.D.San Francisco, CA 941151013283837
- Helen Chan, M.D.San Francisco, CA 941151760821987
Common questions
What is Christopher Joseph Keys, MD's NPI number?
Christopher Joseph Keys, MD's National Provider Identifier (NPI) is 1568556462, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Joseph Keys, MD located?
The NPPES record lists a practice address at 900 Hyde St, San Francisco, CA, 94109. Phone: (415) 353-6000. Providers update this record themselves, so call before visiting.
How can I verify Christopher Joseph Keys, MD's license?
NPPES lists California license number G71107, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.