Noreen Linn, M.D.
NPI 1043230600 · Allergy Physician · White Plains, NY
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Noreen Linn, M.D. is a Allergy Physician provider in White Plains, NY (NPI 1043230600).
Provider details
- NPI number
- 1043230600
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 149084 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2,683 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,201 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 508 | $143 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 367 | $20 |
| Professional Service for Multiple Injections of Allergen95117 | 239 | $15 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 202 | $84 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 | 132 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 122 | 17 |
| Prednisone | 93 | 20 |
| Hydroxychloroquine Sulfate | 61 | — |
| Gabapentin | 61 | 18 |
| Montelukast Sodium | 37 | — |
| Denosumabbrand: Prolia | 33 | 19 |
| Allopurinol | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,990 across 60 records (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
- 2006-07-19
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Noreen Linn's NPI number?
- Noreen Linn's National Provider Identifier (NPI) is 1043230600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Noreen Linn's specialty?
- Noreen Linn is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Noreen Linn located?
- Noreen Linn's practice location on file with NPPES is 222 Westchester Ave Ste 403, White Plains, NY 10604-2924.
- What is Noreen Linn's phone number?
- The practice phone number listed in the NPPES registry for Noreen Linn is (914) 949-9882.
- Does Noreen Linn accept Medicare?
- Noreen Linn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Noreen Linn's NPI active?
- Yes — Noreen Linn's NPI (1043230600) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.