ANDREA NGUYEN MD
NPI 1811524929
Internal Medicine in Charleston, SC

Q: What is Andrea Nguyen's NPI number?

The NPI number for Andrea Nguyen is 1811524929. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Q: What is Andrea Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Andrea Nguyen was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 26, 2020PECOS EnrolledAccepts Medicare Assignment

316 CALHOUN ST, CHARLESTON, SC 29401(843) 724-2000 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 14, 2026, Apr 29, 2024, Mar 26, 2020 (3 updates tracked since 2020).

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About Andrea Nguyen Md NPPES

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

ANDREA NGUYEN MD (NPI 1811524929) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (91953) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1811524929

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameANDREA NGUYENCredential: MD

Location Address316 CALHOUN STCharleston, SC 29401-1113

Mailing Address316 Calhoun StCharleston, SC 29401-1113

Phone(843) 724-2000

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 26, 2020

Last NPPES UpdateJanuary 14, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 14, 2026

✔ NPI 1811524929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in SC · 91953✔ Licensed in CA · A203115

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

316 CALHOUN ST, Charleston, SC 29401

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Secondary Practice Location 1

Location 12601 Ocean PkwyBrooklyn, NY 11235-7745 · Phone (718) 616-3000

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

Andrea Nguyen Md 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 ID2668905274

PECOS Enrollment IDI20241104001578, I20260128002750

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 2

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.

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.

103 services101 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

25 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420065

Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County

Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420087

Location316 Calhoun StCharleston, SC 29401 · Charleston County

Emergency services

Mount Pleasant Hospital

Acute Care Hospitals · Mount Pleasant, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420104

Location3510 Highway 17 North Suite 140Mount Pleasant, SC 29466 · Charleston County

Emergency services

Roper St Francis Hospital-Berkeley Inc

Acute Care Hospitals · Summerville, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420110

Location300 Callen BlvdSummerville, SC 29486 · Dorchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29401 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

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.

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.

CHRISTIAN ANTON SUNG PA-C

Physician Assistant