ANNA NGOC NGUYEN M.D.
NPI 1235422882
Emergency Medicine in Berwyn, IL

Q: What is Anna Nguyen's NPI number?

The NPI number for Anna Nguyen is 1235422882. It was assigned to this individual provider in the NPPES registry on May 16, 2011.

Q: What is Anna Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Anna Nguyen was last updated on February 14, 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 16, 2011PECOS EnrolledAccepts Medicare Assignment

94.62/100

CMS Quality Rating

3249 OAK PARK AVE, BERWYN, IL 60402(708) 783-6000 Get Directions Write a Review

NPPES record last updated: February 14, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 14, 2023, Jan 20, 2016 (2 updates tracked since 2016).

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About Anna Ngoc Nguyen M.d. NPPES

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

ANNA NGOC NGUYEN M.D. (NPI 1235422882) is an individual emergency medicine provider in Berwyn, Illinois, licensed in California (A124222) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and is a graduate of Texas Tech University Health Science Center School Of Medicine (2011).

NPPES Registry Identity

NPI1235422882

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameANNA NGOC NGUYENCredential: M.D.

Location Address3249 OAK PARK AVEBerwyn, IL 60402-3429

Mailing Address3249 Oak Park AveBerwyn, IL 60402-3429 · (916) 734-8571 · Fax (916) 734-7950

Phone(708) 783-6000

Sole ProprietorNo

Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2011

Enumeration DateMay 16, 2011

Last NPPES UpdateFebruary 14, 20232 updates tracked since enumeration

NPPES CertifiedFebruary 14, 2023

✔ NPI 1235422882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in CA · A124222✔ Licensed in IL · 036138247

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3249 OAK PARK AVE, Berwyn, IL 60402

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anna Ngoc 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 ID3274753710

PECOS Enrollment IDI20141003000823

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.

Medicare Billing Reassignments

Medicare enrollment records show Anna Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America-California

1,566 mi

Emergency Medicine

250 N 1ST ST
Blythe, CA 92225

Reassigned Medicare billing, California enrollment
2,323 clinicians in this Medicare group

NPI 1710826581 (760) 922-4115

Vitalen Inpatient Care PC

1,770 mi

Emergency Medicine

1 MEDICAL PLAZA DR
Roseville, CA 95661

Reassigned Medicare billing, California enrollment
40 clinicians in this Medicare group

NPI 1134069198 (916) 781-1000

Vituity-California Observation Services PC

1,770 mi

Emergency Medicine

1 MEDICAL PLAZA DR
Roseville, CA 95661

Reassigned Medicare billing, California enrollment
73 clinicians in this Medicare group

NPI 1386356277 (916) 781-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

286 services283 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

240 services236 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

60 services60 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

33 services33 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

24 services24 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

94.62/100

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

Scored as part of a group practice

Quality

76.67

Improvement Activities

Cost

97.14

Other Providers at the Same Location NPPES 20

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

MRS. DANIELLE GENGO R.D.

Dietitian, Registered

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-3077

GOTTLIEB COMMUNITY HEALTH SERVICES CORPORATION

General Practice

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-3125

MARIA RAMIREZ

Family Medicine

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-9100

PATRICIA NAUGHTON MD

Obstetrics & Gynecology

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-3792

PAUL G FAINE M.D.

Emergency Medicine

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-9100

DR. BHARTI RAIZADA M.D,

Anesthesiology

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-6339

SHEENA REDDY KODAVALURU M.D.

Internal Medicine

3249 OAK PARK AVE, MACNEAL HOSPITAL
BERWYN, IL 60402

Cook County (708) 783-9100

DR. ANGELA DIANIRA ALCARRAZ BEDRILLANA MD

Student in an Organized Health Care Education/Training Program

3249 OAK PARK AVE
BERWYN, IL 60402

Cook County (708) 783-6566

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 Anna Nguyen's NPI number?

The NPI number for Anna Nguyen is 1235422882. It was assigned to this individual provider in the NPPES registry on May 16, 2011.

Where is Anna Nguyen located?

Anna Nguyen practices at 3249 Oak Park Ave, Berwyn, IL 60402. The listed phone number is (708) 783-6000.

What is Anna Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Anna Nguyen enrolled in Medicare?

Yes. Anna 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.

Which organizations bill Medicare for Anna Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Nguyen reassigns Medicare benefits to 3 organizations: Cep America-California (Blythe, CA), Vitalen Inpatient Care PC (Roseville, CA) and Vituity-California Observation Services PC (Roseville, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anna Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anna Nguyen was last updated on February 14, 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.