Shannon Ong, M.D.
NPI 1649596537 · Anesthesiology Physician · Oxnard, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Ong, M.D. is a Anesthesiology Physician provider in Oxnard, CA (NPI 1649596537).
Provider details
- NPI number
- 1649596537
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A128362 (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
16 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
323 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) |
|---|---|---|
| Injection of Substance Into Lower Spine Canal62322 | 106 | $87 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 72 | $37 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 68 | $308 |
| Anesthesia for Total Hip Replacement01214 | 45 | $349 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 17 | $152 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-16
- Last updated
- 2016-01-08
Frequently asked questions
- What is Shannon Ong's NPI number?
- Shannon Ong's National Provider Identifier (NPI) is 1649596537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Ong's specialty?
- Shannon Ong is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Shannon Ong located?
- Shannon Ong's practice location on file with NPPES is 1600 N Rose Ave, Oxnard, CA 93030-3722.
- What is Shannon Ong's phone number?
- The practice phone number listed in the NPPES registry for Shannon Ong is (805) 988-2500.
- Does Shannon Ong accept Medicare?
- Shannon Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Ong's NPI active?
- Yes — Shannon Ong's NPI (1649596537) is active in the NPPES registry as of the last update on 2016-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.