IndividualActive
John Oneil, M.D.
NPI 1952573826 · General Practice Physician · Santa Clara, CA
John Oneil, M.D. is a General Practice Physician provider in Santa Clara, CA (NPI 1952573826).
Provider details
- NPI number
- 1952573826
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A118663 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(92/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
1659 Scott Blvd Ste 30
Santa Clara, CA 95050-4137
Phone: (408) 244-1834
Approximate (ZIP-level) locationGet directions
Mailing address
1530 the Alameda Ste 301
San Jose, CA 95126-2303
Additional practice locations (1)
- 2425 Enborg LnSan Jose, CA 95128-2648Phone: (408) 885-5400
Registry dates
- Enumerated
- 2008-03-31
- Last updated
- 2021-02-10
- Certified
- 2021-02-10
Frequently asked questions
- What is John Oneil's NPI number?
- John Oneil's National Provider Identifier (NPI) is 1952573826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Oneil's specialty?
- John Oneil is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is John Oneil located?
- John Oneil's practice location on file with NPPES is 1659 Scott Blvd Ste 30, Santa Clara, CA 95050-4137.
- What is John Oneil's phone number?
- The practice phone number listed in the NPPES registry for John Oneil is (408) 244-1834.
- Is John Oneil's NPI active?
- Yes — John Oneil's NPI (1952573826) is active in the NPPES registry as of the last update on 2021-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.