John J O'Hara, M.D., Inc
NPI 1457547978 · Orthopaedic Surgery Physician · Torrance, CA
John J O'Hara, M.D., Inc is a Orthopaedic Surgery Physician organization in Torrance, CA (NPI 1457547978).
Provider details
- NPI number
- 1457547978
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John O'Hara, President(310) 316-6190
- License
- A20291 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2007-09-18
- Last updated
- 2007-09-18
Frequently asked questions
- What is John J O'Hara, M.D., Inc's NPI number?
- John J O'Hara, M.D., Inc's National Provider Identifier (NPI) is 1457547978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John J O'Hara, M.D., Inc?
- John J O'Hara, M.D., Inc is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John J O'Hara, M.D., Inc located?
- John J O'Hara, M.D., Inc's practice location on file with NPPES is 23456 Hawthorne Blvd, Torrance, CA 90505-4716.
- What is John J O'Hara, M.D., Inc's phone number?
- The practice phone number listed in the NPPES registry for John J O'Hara, M.D., Inc is (310) 316-6190.
- Who is the authorized official for John J O'Hara, M.D., Inc?
- The authorized official listed on John J O'Hara, M.D., Inc's NPPES record is John O'Hara, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John J O'Hara, M.D., Inc's NPI active?
- Yes — John J O'Hara, M.D., Inc's NPI (1457547978) is active in the NPPES registry as of the last update on 2007-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.