John O'Connor, DO
NPI 1841089935 · Internal Medicine Physician · Allentown, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John O'Connor, DO is a Internal Medicine Physician provider in Allentown, PA (NPI 1841089935).
Provider details
- NPI number
- 1841089935
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OT024320 (PA)
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
1 yr 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
- 2025-05-05
- Last updated
- 2025-05-05
- Certified
- 2025-04-11
Frequently asked questions
- What is John O'Connor's NPI number?
- John O'Connor's National Provider Identifier (NPI) is 1841089935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Connor's specialty?
- John O'Connor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Connor located?
- John O'Connor's practice location on file with NPPES is 1200 S Cedar Crest Blvd, Allentown, PA 18103-6202.
- What is John O'Connor's phone number?
- The practice phone number listed in the NPPES registry for John O'Connor is (484) 862-3200.
- Does John O'Connor accept Medicare?
- John O'Connor 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'Connor's NPI active?
- Yes — John O'Connor's NPI (1841089935) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.