John O'Hara, MD
NPI 1811056559 · Pain Medicine (Anesthesiology) Physician · Elgin, IL
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John O'Hara, MD is a Pain Medicine (Anesthesiology) Physician provider in Elgin, IL (NPI 1811056559).
Provider details
- NPI number
- 1811056559
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036070333 (IL)
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
19 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
- 2006-12-08
- Last updated
- 2020-02-27
- Certified
- 2020-02-27
Frequently asked questions
- What is John O'Hara's NPI number?
- John O'Hara's National Provider Identifier (NPI) is 1811056559, 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 Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Hara located?
- John O'Hara's practice location on file with NPPES is 810 S Mclean Blvd, Elgin, IL 60123-6703.
- What is John O'Hara's phone number?
- The practice phone number listed in the NPPES registry for John O'Hara is (847) 632-9919.
- Does John O'Hara accept Medicare?
- John O'Hara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John O'Hara's NPI active?
- Yes — John O'Hara's NPI (1811056559) is active in the NPPES registry as of the last update on 2020-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.