Courtney Emi Takahashi, M.D.
Neurocritical Care Physician · Walnut Creek, CA
Courtney Emi Takahashi, M.D. is a neurocritical care physician with a practice address in Walnut Creek, California, and NPI 1649414681, issued on Apr 21, 2009. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Courtney Emi Takahashi
- Credential
- M.D.
- Primary taxonomy
- Neurocritical Care Physician 2084A2900X
- License number
- 263754 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (808) 203-8671
- Enumerated
- Apr 21, 2009
- Record last updated
- Oct 24, 2023
- Medicaid IDs
- 110104614A MA
3108980 NH - Medicare enrollment
- Enrolled (PECOS I20230821002611); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurocritical care physician records → All 74 in California → Look up another NPI →
Also registered at 1601 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Abboud, D.O.Anesthesiology Physician1174901508
- Amy Aiyegbusi, IBCLCLactation Consultant (Registered Nurse)1275204067
- Alina AndradePhysician Assistant1114416773
- Radhika Annadata, MDAnesthesiology Physician1255379624
- Kirkman Beckwith, MDAnesthesiology Physician1073551057
- Stacie Bennett, MDNeonatal-Perinatal Medicine Physician1982660080
Verify Courtney Emi Takahashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 3 group practices
- Bay Area Neurointensivists IncWalnut Creek, CA
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
- Moussa F Yazbeck MD IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney Emi Takahashi among 74 neurocritical care physician records in California
Courtney Emi Takahashi, M.D. is one of 74 neurocritical care physician records with a practice address in California. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 26% of them.
- NPI issued2009 · 26% of these records are older, 68% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2009 · median 2011 among the 64 with a school on file
- Record last updated2023 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084A2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurocritical Care Physician providers in California
There are 74 neurocritical care physician records in California.
All 74 in California → Every provider in Walnut Creek → Neurocritical Care Physician nationwide →
The 8 neurocritical care physician records with the nearest ZIP codes
- Marion Buckwalter, MDStanford, CA 943051356394589
- Karen Hirsch, MDStanford, CA 943051053516641
- Hannah Kirsch, MDStanford, CA 943051528479318
- Prashanth Krishnamohan, MDStanford, CA 943051457632432
- Lucia Rivera Lara, MDStanford, CA 943051356502744
- Zachary Threlkeld, MDStanford, CA 943051639445372
- Jack Wang, MD, PHD.Stanford, CA 943051154733053
- John Greene, MDSan Francisco, CA 941431205397841
Common questions
What is Courtney Emi Takahashi, M.D.'s NPI number?
Courtney Emi Takahashi, M.D.'s National Provider Identifier (NPI) is 1649414681, issued on Apr 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Courtney Emi Takahashi, M.D. located?
The NPPES record lists a practice address at 1601 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (808) 203-8671. Providers update this record themselves, so call before visiting.
How can I verify Courtney Emi Takahashi, M.D.'s license?
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.