Elliza Marie Ong, CRNA
NPI 1821273780 · Registered Nurse · San Francisco, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elliza Marie Ong, CRNA is a Registered Nurse provider in San Francisco, CA (NPI 1821273780).
Provider details
- NPI number
- 1821273780
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 550980 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
46 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 Lens Surgery00142 | 23 | $92 |
| Anesthesia for Placement Or Revision of Blood Flow Shunt01844 | 12 | $158 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 11 | $91 |
Typical Medicare-allowed amounts for these services range $91–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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
- 2008-01-09
- Last updated
- 2008-01-11
Frequently asked questions
- What is Elliza Marie Ong's NPI number?
- Elliza Marie Ong's National Provider Identifier (NPI) is 1821273780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elliza Marie Ong's specialty?
- Elliza Marie Ong is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Elliza Marie Ong located?
- Elliza Marie Ong's practice location on file with NPPES is 1001 Potrero Ave, San Francisco, CA 94110.
- What is Elliza Marie Ong's phone number?
- The practice phone number listed in the NPPES registry for Elliza Marie Ong is (415) 206-8163.
- Does Elliza Marie Ong accept Medicare?
- Elliza Marie Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elliza Marie Ong's NPI active?
- Yes — Elliza Marie Ong's NPI (1821273780) is active in the NPPES registry as of the last update on 2008-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.