John O'Hara, MD
NPI 1558331967 · Orthopaedic Surgery Physician · Southfield, MI
John O'Hara, MD is a Orthopaedic Surgery Physician provider in Southfield, MI (NPI 1558331967).
Provider details
- NPI number
- 1558331967
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301039367 (MI)
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
20 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
- 2006-01-26
- Last updated
- 2014-01-17
Frequently asked questions
- What is John O'Hara's NPI number?
- John O'Hara's National Provider Identifier (NPI) is 1558331967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Hara's specialty?
- John O'Hara is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Hara located?
- John O'Hara's practice location on file with NPPES is 22250 Providence Dr, Southfield, MI 48075-4825.
- What is John O'Hara's phone number?
- The practice phone number listed in the NPPES registry for John O'Hara is (866) 974-2673.
- Is John O'Hara's NPI active?
- Yes — John O'Hara's NPI (1558331967) is active in the NPPES registry as of the last update on 2014-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.