Zerlina Wong, M.D.
NPI 1639438500 · Anesthesiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zerlina Wong, M.D. is a Anesthesiology Physician provider in Los Angeles, CA (NPI 1639438500).
Provider details
- NPI number
- 1639438500
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A139368 (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
14 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
195 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 | 80 | $218 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 30 | $157 |
| Anesthesia for Lens Surgery00142 | 29 | $104 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 26 | $134 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 19 | $82 |
| Anesthesia for Retinal Surgery00145 | 11 | $244 |
Typical Medicare-allowed amounts for these services range $82–$244 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-11
- Last updated
- 2023-11-27
- Certified
- 2020-10-06
Frequently asked questions
- What is Zerlina Wong's NPI number?
- Zerlina Wong's National Provider Identifier (NPI) is 1639438500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zerlina Wong's specialty?
- Zerlina Wong is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Zerlina Wong located?
- Zerlina Wong's practice location on file with NPPES is 1500 San Pablo St, Los Angeles, CA 90033-5313.
- What is Zerlina Wong's phone number?
- The practice phone number listed in the NPPES registry for Zerlina Wong is (323) 442-7400.
- Does Zerlina Wong accept Medicare?
- Zerlina Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zerlina Wong's NPI active?
- Yes — Zerlina Wong's NPI (1639438500) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.