Christopher Bray Shaffer, M.D.
Anesthesiology Physician · Mill Valley, CA
Christopher Bray Shaffer, M.D. is an anesthesiology physician with a practice address in Mill Valley, California, and NPI 1528094760, issued on Jun 22, 2006. Check the license (California 115976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Bray Shaffer
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 115976 CA
Self-reported in NPPES; status is on the state search - Practice location
- 352 Molino Ave, Mill Valley, CA 94941
- Phone
- (415) 932-9034
- Enumerated
- Jun 22, 2006
- Record last updated
- Nov 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20110714000388); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Christopher Bray Shaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 115976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $63.28
2 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Anesthesia Care Associates Medical Group, IncNovato, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Bray Shaffer among 7,571 anesthesiology physician records in California
Christopher Bray Shaffer, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2006 · median 2006 among the 4,868 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Mill Valley → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Stephen Ternlund, MDNovato, CA 949451063457174
- Lindsay Autio, MDPetaluma, CA 949541629010814
- Kenneth Piters, M.D.Petaluma, CA 949541437173051
- James Hardy, MB BS BSCBel Tiburon, CA 949201578632279
- Fiona Clements, MDSausalito, CA 949651295965408
- Pradhan Bhat, MDGreenbrae, CA 949041790245868
- Keeley Dohmeier, M.D.Greenbrae, CA 949041841545563
- Allison Dorogi, MDGreenbrae, CA 949041912466715
Common questions
What is Christopher Bray Shaffer, M.D.'s NPI number?
Christopher Bray Shaffer, M.D.'s National Provider Identifier (NPI) is 1528094760, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Bray Shaffer, M.D. located?
The NPPES record lists a practice address at 352 Molino Ave, Mill Valley, CA, 94941. Phone: (415) 932-9034. Providers update this record themselves, so call before visiting.
How can I verify Christopher Bray Shaffer, M.D.'s license?
NPPES lists California license number 115976, 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.