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MRS. NOREEN H LINN M.D.
NPI 1043230600
Allergy & Immunology - Allergy in White Plains, NY

Active since July 19, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 33D0709115 · Microscopy
222 WESTCHESTER AVE STE 403, WHITE PLAINS, NY 10604(914) 949-9882(914) 421-9091 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mrs. Noreen H Linn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. NOREEN H LINN M.D. (NPI 1043230600) is an individual allergy provider in White Plains, New York, licensed in New York (149084) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through March 21, 2028, and is affiliated with White Plains Hospital Center.

NPPES Registry Identity

NPI1043230600
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameMRS. NOREEN H LINNCredential: M.D.
Location Address222 WESTCHESTER AVE STE 403White Plains, NY 10604-2924
Mailing Address222 Westchester Ave Ste 403White Plains, NY 10604-2924 · (914) 949-9882 · Fax (914) 421-9091
Phone(914) 949-9882
Fax(914) 421-9091
Sole ProprietorYes
Medical School CMSJs Weill Medical College, Cornell UniversityGraduated 1980
Enumeration DateJuly 19, 2006
Last NPPES UpdateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
✔ NPI 1043230600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in NY · 149084
Definition

A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License 149084 (NY)
222 WESTCHESTER AVE STE 403, White Plains, NY 10604
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Noreen H Linn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749456366
PECOS Enrollment IDI20120104000070
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 33D0709115

Noreen Linn MD · White Plains, NY
Active · expires Mar 21, 2028
CLIA Number33D0709115
Laboratory TypePhysician Office
Certificate Effective DateMarch 22, 2026
Certificate Expiration DateMarch 21, 2028
Laboratory DirectorNoreen Linn
Laboratory Phone(914) 949-9882
Laboratory LocationNoreen Linn MD222 Westchester Ave Harrison Ct Ste205, White Plains, NY 10604
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
1,201 services14 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
508 services77 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
367 services73 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
239 services14 patients
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
202 services19 patients
Red blood cell sedimentation rate, to detect inflammation, non-automated 85651
The Red Blood Cell Sedimentation Rate test measures how quickly red blood cells settle at the bottom of a test tube. If they settle faster than normal, it may indicate inflammation in the body. This test is non-automated, meaning it's manually performed by a lab technician.
132 services46 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330304
Location41 East Post R0adWhite Plains, NY 10601 · Westchester County
Emergency services Birthing friendly

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Noreen Linn's NPI number?

The NPI number for Noreen Linn is 1043230600. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Noreen Linn located?

Noreen Linn practices at 222 Westchester Ave Ste 403, White Plains, NY 10604. The listed phone number is (914) 949-9882.

What is Noreen Linn's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Noreen Linn enrolled in Medicare?

Yes. Noreen Linn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Noreen Linn hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 33D0709115) is associated with this NPI, valid through March 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Noreen Linn affiliated with any hospitals?

According to CMS data, Noreen Linn is affiliated with White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Noreen Linn was last updated on February 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.