Thomas Onyia, M.D
NPI 1902283443 · Anesthesiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Onyia, M.D is a Anesthesiology Physician provider in San Diego, CA (NPI 1902283443).
Provider details
- NPI number
- 1902283443
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- R74956 (AZ)
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
11 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
129 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 Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 23 | $63 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 21 | $361 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 20 | $139 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 15 | $133 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 15 | $109 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 13 | $172 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-05
- Last updated
- 2021-12-06
Frequently asked questions
- What is Thomas Onyia's NPI number?
- Thomas Onyia's National Provider Identifier (NPI) is 1902283443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Onyia's specialty?
- Thomas Onyia is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Onyia located?
- Thomas Onyia's practice location on file with NPPES is 200 W Arbor Dr # Mc8770, San Diego, CA 92103-1911.
- What is Thomas Onyia's phone number?
- The practice phone number listed in the NPPES registry for Thomas Onyia is (310) 528-9922.
- Does Thomas Onyia accept Medicare?
- Thomas Onyia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Onyia's NPI active?
- Yes — Thomas Onyia's NPI (1902283443) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.