Terence O'Neil, M.D.
NPI 1528093267 · Emergency Medicine Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terence O'Neil, M.D. is a Emergency Medicine Physician provider in Long Beach, CA (NPI 1528093267).
Provider details
- NPI number
- 1528093267
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A85148 (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
19 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
117 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $139 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 32 | $180 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 24 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 14 | $69 |
| X-Ray of Chest, 2 Views71046 | 11 | $38 |
Typical Medicare-allowed amounts for these services range $16–$180 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 28 | 28 |
| Cefdinir | 25 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 17 |
| Mupirocin | 18 | 17 |
| Doxycycline Hyclate | 16 | 15 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 14 | 14 |
| Azithromycin | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Terence O'Neil's NPI number?
- Terence O'Neil's National Provider Identifier (NPI) is 1528093267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terence O'Neil's specialty?
- Terence O'Neil is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terence O'Neil located?
- Terence O'Neil's practice location on file with NPPES is 1720 Termino Ave, Long Beach, CA 90804-2104.
- What is Terence O'Neil's phone number?
- The practice phone number listed in the NPPES registry for Terence O'Neil is (562) 498-1000.
- Does Terence O'Neil accept Medicare?
- Terence O'Neil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terence O'Neil's NPI active?
- Yes — Terence O'Neil's NPI (1528093267) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.