DR. AN L NGUYEN M.D.
NPI 1841559283
Allergy & Immunology in Houston, TX

Q: What is An Nguyen's NPI number?

The NPI number for An Nguyen is 1841559283. It was assigned to this individual provider in the NPPES registry on May 4, 2012.

Q: What is An Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for An Nguyen was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 May 04, 2012PECOS EnrolledAccepts Medicare Assignment

74.41/100

CMS Quality Rating

1213 HERMANN DR STE 550, HOUSTON, TX 77004(713) 820-6380(713) 820-6377 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, Sep 25, 2019 (2 updates tracked since 2019).

On this page

About Dr. An L Nguyen M.d. NPPES

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

DR. AN L NGUYEN M.D. (NPI 1841559283) is an individual allergy & immunology provider in Houston, Texas, licensed in Texas (Q2691) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Houston, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1841559283

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameDR. AN L NGUYENCredential: M.D.

Location Address1213 HERMANN DR STE 550Houston, TX 77004-7089

Mailing Address1213 Hermann Dr Ste 550Houston, TX 77004-7089 · (832) 512-4592 · Fax (713) 820-6377

Phone(713) 820-6380

Fax(713) 820-6377

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateMay 4, 2012

Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration

✔ NPI 1841559283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in TX · Q2691

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.

1213 HERMANN DR STE 550, Houston, TX 77004

Open in Google Maps ↗

Secondary Practice Location 1

Location 11709 Dryden RdHouston, TX 77030-2400 · Phone (713) 798-0190 · Fax (713) 798-0198

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Dr. An L Nguyen 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 ID5799112926

PECOS Enrollment IDI20200227000729

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 9

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.

2,315 services40 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

759 services49 patients

Professional service for preparation and provision of single-dose vial of allergen 95144

This service involves preparing a single-dose vial of allergen for allergy testing or treatment. The allergen is carefully selected based on your specific allergy profile. The vial is prepared in a safe, sterile environment to ensure its purity and effectiveness.

563 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

87 services59 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

36 services24 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.

33 services29 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.

74.41/100

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

Scored as part of a group practice

Quality

85.02

Improvement Activities

Cost

34.69

Other Providers at the Same Location NPPES 2

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

VITAL ALLERGY AND ASTHMA CENTER

Allergy & Immunology (Allergy)

1213 HERMANN DR STE 550
HOUSTON, TX 77004

Harris County (713) 820-6380

DR. CARLOS JAMES VITAL M.D.

Allergy & Immunology (Allergy)

1213 HERMANN DR STE 550
HOUSTON, TX 77004

Harris County (137) 820-6380

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 An Nguyen's NPI number?

The NPI number for An Nguyen is 1841559283. It was assigned to this individual provider in the NPPES registry on May 4, 2012.

Where is An Nguyen located?

An Nguyen practices at 1213 Hermann Dr Ste 550, Houston, TX 77004. The listed phone number is (713) 820-6380.

What is An Nguyen's specialty?

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

Is An Nguyen enrolled in Medicare?

Yes. An Nguyen 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.

What insurance does An Nguyen accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 1 other insurer list An Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for An Nguyen was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.