Courtney Takahashi, M.D.
NPI 1649414681 · Neurocritical Care Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Takahashi, M.D. is a Neurocritical Care Physician provider in Walnut Creek, CA (NPI 1649414681).
Provider details
- NPI number
- 1649414681
- Entity type
- Individual
- Primary specialty
- Neurocritical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 263754 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
852 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 347 | $224 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 328 | $127 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 90 | $86 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 49 | $185 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 19 | $64 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-21
- Last updated
- 2023-10-24
- Certified
- 2023-10-23
Frequently asked questions
- What is Courtney Takahashi's NPI number?
- Courtney Takahashi's National Provider Identifier (NPI) is 1649414681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Takahashi's specialty?
- Courtney Takahashi is listed in the NPPES registry with a primary specialty of Neurocritical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Courtney Takahashi located?
- Courtney Takahashi's practice location on file with NPPES is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122.
- What is Courtney Takahashi's phone number?
- The practice phone number listed in the NPPES registry for Courtney Takahashi is (808) 203-8671.
- Does Courtney Takahashi accept Medicare?
- Courtney Takahashi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Takahashi's NPI active?
- Yes — Courtney Takahashi's NPI (1649414681) is active in the NPPES registry as of the last update on 2023-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.