Michelle Oneil, D.O
NPI 1629361688 · Family Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Oneil, D.O is a Family Medicine Physician provider in Fontana, CA (NPI 1629361688).
Provider details
- NPI number
- 1629361688
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11683 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
79 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Annual Depression Screening, 5 to 15 MinutesG0444 | 56 | $19 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 23 | $19 |
Typical Medicare-allowed amounts for these services range $19–$19 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 118 | 43 |
| Amlodipine Besylate | 67 | 30 |
| Losartan Potassium | 64 | 23 |
| Metformin Hcl | 62 | 21 |
| Lisinopril | 58 | 17 |
| Gabapentin | 55 | 18 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$511 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1600 E Citrus Ave Ste aRedlands, CA 92374-4802Phone: (909) 794-3682Fax: (909) 389-1302
Registry dates
- Enumerated
- 2011-05-24
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Michelle Oneil's NPI number?
- Michelle Oneil's National Provider Identifier (NPI) is 1629361688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Oneil's specialty?
- Michelle Oneil is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Oneil located?
- Michelle Oneil's practice location on file with NPPES is 16854 Ivy Ave, Fontana, CA 92335-1504.
- What is Michelle Oneil's phone number?
- The practice phone number listed in the NPPES registry for Michelle Oneil is (909) 422-8029.
- Does Michelle Oneil accept Medicare?
- Michelle Oneil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Oneil's NPI active?
- Yes — Michelle Oneil's NPI (1629361688) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.