Quick answers
- Does Margaret M. Mulligan accept Medicare assignment?
- Medicare's clinician data says Margaret M. Mulligan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Margaret M. Mulligan see?
- In 2024, CMS data shows 17 Original Medicare patients and 99 services for Margaret M. Mulligan. This counts Original Medicare only and measures volume, not quality.
- What is Margaret M. Mulligan's NPI number?
- 1730514266. 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 Margaret M. Mulligan, 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 | 17 |
|---|---|
| Services billed to Medicare | 99 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
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 blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure71%
- Diabetes65%
- Chronic kidney disease65%
Practice locations
Addresses where Margaret M. Mulligan is enrolled with Medicare (CMS data updated October 2, 2026).
- 67 Hilton AveGarden City, NY 11530 (516) 384‑9407
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Garden City
Clinicians with the same Medicare primary specialty in Garden City, NY — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730514266 |
| 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