Quick answers
- Does Margaret A. Co accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret A. Co 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 Margaret A. Co see?
- In 2024, CMS data shows 192 Original Medicare patients and 2,723 services for Margaret A. Co. This counts Original Medicare only and measures volume, not quality.
- What is Margaret A. Co's NPI number?
- 1568494128. 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 A. Co, 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 | 192 |
|---|---|
| Services billed to Medicare | 2,723 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Test for allergy using allergenic extract (95004)1,596 services
- Professional service for preparation and provision of 1 or more antigens (95165)225 services
- Professional service for multiple injections of allergen (95117)155 services
- Test for allergy using combination of methods with drug or biological (95018)150 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)108 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%
- High blood pressure69%
- Arthritis60%
- Anxiety33%
- Ischemic heart disease30%
- Osteoporosis28%
Practice locations
Addresses where Margaret A. Co is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 W Ridgewood Ave, Suite 211Paramus, NJ 07652 (201) 251‑2323
- 1 W Ridgewood Ave, Suite 301Paramus, NJ 07652 (201) 445‑1660
- 452 Old Hook RdEmerson, NJ 07630 (201) 666‑3900
- 622 Franklin AveNutley, NJ 07110 (973) 661‑1900
Group practices
Medicare enrollment lists Margaret A. Co as a member of this group (CMS data updated October 2, 2026).
- MPV New Jersey MD Services PC151 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Paramus
Clinicians with the same Medicare primary specialty in Paramus, NJ — not a recommendation.
Other clinicians in MPV New Jersey MD Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568494128 |
| 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