MS. MICHELLE ASHLEY HUYNH ACNP
NPI 1912693219
Nurse Practitioner - Acute Care in Saint Louis, MO

Q: What is Michelle Huynh's NPI number?

The NPI number for Michelle Huynh is 1912693219. It was assigned to this individual provider in the NPPES registry on April 11, 2023.

Q: What is Michelle Huynh's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Michelle Huynh was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 11, 2023PECOS EnrolledAccepts Medicare Assignment

1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY, SAINT LOUIS, MO 63110(800) 862-9980(314) 362-1185 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Oct 5, 2023 and 1 more (4 updates tracked since 2023).

On this page

About Ms. Michelle Ashley Huynh Acnp NPPES

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

MS. MICHELLE ASHLEY HUYNH ACNP (NPI 1912693219) is an individual acute care provider in Saint Louis, Missouri, licensed in Missouri (2023039405) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1912693219

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMS. MICHELLE ASHLEY HUYNHCredential: ACNP

Location Address1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGYSaint Louis, MO 63110-1003

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (800) 862-9980 · Fax (314) 362-1185

Phone(800) 862-9980

Fax(314) 362-1185

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateApril 11, 2023

Last NPPES UpdateApril 17, 20254 updates tracked since enumeration

NPPES CertifiedApril 11, 2023

✔ NPI 1912693219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in MO · 2023039405

1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110

Open in Google Maps ↗

Other Identifiers 1

Medicaid420131673MO

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

Ms. Michelle Ashley Huynh Acnp 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 ID4385098813

PECOS Enrollment IDI20231002002380

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.

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

253 services51 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.

59 services28 patients

Hospital Affiliations CMS Care Compare 2

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260108

Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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.

DR. CYNTHIA M MONSEY MD

Anesthesiology

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6973

MR. WILLIAM T ADAMS CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6973

MR. JAMES MURRAY CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6963

MR. JAMES R HALLIBURTON CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6973

MR. WILLIAM R VARDARO CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6973

MR. MICHAEL L MITTERMEYER CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6973

DR. DANIEL P KELLY MD

Internal Medicine (Cardiovascular Disease)

1 BARNES JEWISH HOSPITAL PLZ, EAST PAVILLION SUITE 16419
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3790

DR. CHRISTOPHER W HAMLIN MD

Anesthesiology

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-6973

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 Michelle Huynh's NPI number?

The NPI number for Michelle Huynh is 1912693219. It was assigned to this individual provider in the NPPES registry on April 11, 2023.

Where is Michelle Huynh located?

Michelle Huynh practices at 1 Barnes Jewish Hospital Plz Dept Anesthesiology, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.

What is Michelle Huynh's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Michelle Huynh enrolled in Medicare?

Yes. Michelle Huynh 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.

Is Michelle Huynh affiliated with any hospitals?

According to CMS data, Michelle Huynh is affiliated with Barnes Jewish Hospital and Missouri Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Michelle Huynh was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.