Quick answers
- Does Mary C. Hughes accept Medicare assignment?
- Yes. Medicare's clinician data says Mary C. Hughes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mary C. Hughes see?
- In 2024, CMS data shows 850 Original Medicare patients and 1,647 services for Mary C. Hughes. This counts Original Medicare only and measures volume, not quality.
- What is Mary C. Hughes's NPI number?
- 1164681185. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mary C. Hughes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 850 |
|---|---|
| Services billed to Medicare | 1,647 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Screening mammography (77067)414 services
- Screening 3d breast mammography (77063)406 services
- Limited ultrasound scan of 1 breast (76642)105 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)93 services
- Diagnostic mammography of 1 breast (77065)89 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)73%
- High blood pressure66%
- Arthritis52%
- Osteoporosis35%
- Anxiety28%
Practice locations
Addresses where Mary C. Hughes is enrolled with Medicare (CMS data updated October 2, 2026).
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 300 E 66th StNew York, NY 10065 (646) 888‑5300
- 500 Westchester AveWest Harrison, NY 10604 (914) 367‑7105
- 650 Commack RdCommack, NY 11725 (631) 623‑4300
Group practices
Medicare enrollment lists Mary C. Hughes as a member of this group (CMS data updated October 2, 2026).
- MSKCC Radiology Group193 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in MSKCC Radiology Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164681185 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians