Mary O'Connor, M.D.
NPI 1912920406 · Clinic/Center · Cranford, NJ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary O'Connor, M.D. is a Clinic/Center provider in Cranford, NJ (NPI 1912920406).
Provider details
- NPI number
- 1912920406
- Entity type
- Individual
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA04406400 (NJ)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,413 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 377 | $140 |
| Screening 3d Breast Mammography77063 | 359 | $56 |
| Complete Ultrasound Scan of 1 Breast76641 | 179 | $167 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 143 | $52 |
| Limited Ultrasound Scan of 1 Breast76642 | 138 | $103 |
| Diagnostic Mammography of 1 Breast77065 | 111 | $139 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary O'Connor's NPI number?
- Mary O'Connor's National Provider Identifier (NPI) is 1912920406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary O'Connor's specialty?
- Mary O'Connor is listed in the NPPES registry with a primary specialty of Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mary O'Connor located?
- Mary O'Connor's practice location on file with NPPES is 25 S Union Ave, Cranford, NJ 07016-2843.
- What is Mary O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Mary O'Connor is (908) 709-1323.
- Does Mary O'Connor accept Medicare?
- Mary 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 Mary O'Connor's NPI active?
- Yes — Mary O'Connor's NPI (1912920406) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.