DR. PHU SI HUYNH MD
NPI 1952920522
Internal Medicine - Critical Care Medicine in Houston, TX

Active since April 13, 2020PECOS EnrolledAccepts Medicare Assignment
6411 FANNIN ST, HOUSTON, TX 77030(832) 325-7222(713) 500-6829 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 13, 2023, Apr 13, 2020 (2 updates tracked since 2020).

About Dr. Phu Si Huynh Md NPPES

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

DR. PHU SI HUYNH MD (NPI 1952920522) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (V7533) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1952920522
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. PHU SI HUYNHCredential: MD
Location Address6411 FANNIN STHouston, TX 77030-1501
Mailing Address6431 Fannin St, Msb 1.255eHouston, TX 77030-1501 · (832) 325-7222 · Fax (713) 500-6829
Fax(713) 500-6829
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 13, 2020
Last NPPES UpdateJuly 21, 20252 updates tracked since enumeration
NPPES CertifiedJuly 8, 2025
NPI 1952920522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in TX · V7533
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedEmergency MedicineTaxonomy 207P00000X · License V7533 (TX)
6411 FANNIN ST, Houston, TX 77030

Accepted 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. Phu Si Huynh 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 ID3274951710
PECOS Enrollment IDI20250718000908
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.

Hospital Affiliations CMS Care Compare 2

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Emergency Medicine
6411 FANNIN ST
HOUSTON, TX 77030
Radiology (Diagnostic Radiology)
6411 FANNIN ST
HOUSTON, TX 77030
Registered Nurse (Critical Care Medicine)
6411 FANNIN ST
HOUSTON, TX 77030
Anesthesiologist Assistant
6411 FANNIN ST
HOUSTON, TX 77030
Dentist (General Practice)
6411 FANNIN ST
HOUSTON, TX 77030
Emergency Medicine
6411 FANNIN ST
HOUSTON, TX 77030
Anesthesiology
6411 FANNIN ST
HOUSTON, TX 77030
Registered Nurse (Critical Care Medicine)
6411 FANNIN ST
HOUSTON, TX 77030

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 Phu Huynh's NPI number?

The NPI number for Phu Huynh is 1952920522. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Phu Huynh located?

Phu Huynh practices at 6411 Fannin St, Houston, TX 77030. The listed phone number is (832) 325-7222.

What is Phu Huynh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Phu Huynh enrolled in Medicare?

Yes. Phu 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.

What insurance does Phu Huynh accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Phu Huynh 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.

Is Phu Huynh affiliated with any hospitals?

According to CMS data, Phu Huynh is affiliated with Memorial Hermann - Texas Medical Center and Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for Phu Huynh was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.