Tanzhen Wu, M.D.
NPI 1609835412 · Anesthesiology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanzhen Wu, M.D. is a Anesthesiology Physician provider in Los Alamitos, CA (NPI 1609835412).
Provider details
- NPI number
- 1609835412
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A81203 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
160 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) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 28 | $146 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 26 | $153 |
| Ultrasonic Guidance for Needle Placement76942 | 25 | $31 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 23 | $60 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 21 | $181 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 21 | $412 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2011-08-04
Frequently asked questions
- What is Tanzhen Wu's NPI number?
- Tanzhen Wu's National Provider Identifier (NPI) is 1609835412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanzhen Wu's specialty?
- Tanzhen Wu is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Tanzhen Wu located?
- Tanzhen Wu's practice location on file with NPPES is 3751 Katella Ave, Los Alamitos, CA 90720-3113.
- What is Tanzhen Wu's phone number?
- The practice phone number listed in the NPPES registry for Tanzhen Wu is (562) 598-1311.
- Does Tanzhen Wu accept Medicare?
- Tanzhen Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanzhen Wu's NPI active?
- Yes — Tanzhen Wu's NPI (1609835412) is active in the NPPES registry as of the last update on 2011-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.