WEI AN M.D.
NPI 1942576947
Allergy & Immunology in West Hartford, CT

Q: What is Wei An's NPI number?

The NPI number for Wei An is 1942576947. It was assigned to this individual provider in the NPPES registry on March 24, 2012.

Q: What is Wei An's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: Is Wei An enrolled in Medicare?

Yes. Wei An 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.

Q: When was this NPI record last updated?

The NPPES record for Wei An was last updated on April 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 24, 2012PECOS EnrolledAccepts Medicare Assignment

79.54/100

CMS Quality Rating

836 FARMINGTON AVE STE 207, WEST HARTFORD, CT 06119(860) 232-9911 Get Directions Write a Review

NPPES record last updated: April 14, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 14, 2022, Mar 17, 2018, Oct 18, 2017 (3 updates tracked since 2017).

On this page

About Wei An M.d. NPPES

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

WEI AN M.D. (NPI 1942576947) is an individual allergy & immunology provider in West Hartford, Connecticut, licensed in Connecticut (056435) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Wisconsin School Of Medicine (2012).

NPPES Registry Identity

NPI1942576947

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameWEI ANCredential: M.D.

Location Address836 FARMINGTON AVE STE 207West Hartford, CT 06119-1544

Mailing Address836 Farmington Ave Ste 207West Hartford, CT 06119-1544 · (860) 232-9911

Phone(860) 232-9911

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2012

Enumeration DateMarch 24, 2012

Last NPPES UpdateApril 14, 20223 updates tracked since enumeration

NPPES CertifiedApril 14, 2022

✔ NPI 1942576947 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CT · 056435

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedInternal MedicineTaxonomy 207R00000X · License 056435 (CT)

836 FARMINGTON AVE STE 207, West Hartford, CT 06119

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Secondary Practice Locations 3

Location 1100 Grand StNew Britain, CT 06052-2016 · Phone (860) 224-5011

Location 29200 W Wisconsin AveMilwaukee, WI 53226-3522 · Phone (414) 805-0532

Location 3282 Washington StHartford, CT 06106-3322 · Phone (860) 545-9000

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

Wei An 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 ID7517236904

PECOS Enrollment IDI20170628000476

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.

Areas of Expertise CMS Part B claims 11

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.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

2,563 services64 patients

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.

318 services15 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

131 services13 patients

Test for allergy using combination of methods with drug or biological 95018

An allergy test with a drug or biological involves multiple methods. Skin tests may be performed where small amounts of allergens are introduced to the skin. Blood tests measure your immune system's response to specific allergens. These tests help identify what substances you're allergic to.

129 services17 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.

107 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.

88 services65 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.54/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

95.37

Promoting Interoperability

100

Improvement Activities

Cost

36.43

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg J1561

Treatment-Injections and Infusions (nononcologic) · category RI008N

2 suppliers13 claims910 services$34.75 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH ELIZABETH PRELESKI PA-C

Physician Assistant