Quick answers
- Does Noreen H. Linn accept Medicare assignment?
- Yes. Medicare's clinician data says Noreen H. Linn 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 Noreen H. Linn see?
- In 2024, CMS data shows 86 Original Medicare patients and 3,214 services for Noreen H. Linn. This counts Original Medicare only and measures volume, not quality.
- What is Noreen H. Linn's NPI number?
- 1043230600. 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 Noreen H. Linn, 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 | 86 |
|---|---|
| Services billed to Medicare | 3,214 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Professional service for preparation and provision of 1 or more antigens (95165)1,201 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)508 services
- Insertion of needle into vein (3 years or older) (36410)367 services
- Professional service for multiple injections of allergen (95117)239 services
- Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (96401)202 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%
- Arthritis75%
- High blood pressure72%
- Osteoporosis45%
- Diabetes40%
- Ischemic heart disease28%
Hospitals where Noreen H. Linn works
Medicare's Facility Affiliation Data lists Noreen H. Linn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330304
Practice locations
Addresses where Noreen H. Linn is enrolled with Medicare (CMS data updated October 2, 2026).
- 222 Westchester AveWhite Plains, NY 10604 (914) 949‑9882
Specialties
- Allergy/Immunologyprimary
- Rheumatologyalso
Other allergist and immunologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043230600 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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