MEI HUANG M.D.
NPI 1417972597
Internal Medicine - Gastroenterology in Edwardsville, IL

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
2122 TROY RD STE 130, EDWARDSVILLE, IL 62025(618) 800-4595(618) 800-4501 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 10, 2026, Jan 31, 2023, Mar 4, 2021 and 1 more (4 updates tracked since 2016).

About Mei Huang M.d. NPPES

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

MEI HUANG M.D. (NPI 1417972597) is an individual gastroenterology provider in Edwardsville, Illinois, licensed in Illinois (036116010) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1417972597
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameMEI HUANGCredential: M.D.
Location Address2122 TROY RD STE 130Edwardsville, IL 62025-2540
Mailing AddressPo Box 959203Saint Louis, MO 63195-9203 · (618) 800-4595 · Fax (618) 800-4501
Fax(618) 800-4501
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJuly 12, 2006
Last NPPES UpdateMarch 10, 20264 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
NPI 1417972597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in IL · 036116010 Licensed in MO · 2005014009
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2122 TROY RD STE 130, Edwardsville, IL 62025

Other Identifiers 1

Medicaid036116010IL

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

Mei Huang 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 ID2163459546
PECOS Enrollment IDI20050719000115, I20060914000413
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 11

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.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
109 services108 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
103 services62 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
92 services85 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
90 services87 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
82 services77 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.
52 services43 patients

Hospital Affiliations CMS Care Compare 5

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

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison County
Emergency services Birthing friendly

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260191
Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County
Emergency services

Progress West Hospital

Acute Care Hospitals · O Fallon, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260219
Location2 Progress Point PkwyO Fallon, MO 63368 · St. Charles County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62025 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
$131.14 typical visit price
range $56.28 – $173.35
Typical copayment $32.78 (range $14.07 – $43.33)
Most-billed visit code 99204
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
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 13

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

Nurse Practitioner (Family)
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Nurse Practitioner
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Family Medicine
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Family Medicine
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Internal Medicine (Gastroenterology)
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Nurse Practitioner (Family)
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Nurse Practitioner (Family)
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025
Physician Assistant
2122 TROY RD STE 130
EDWARDSVILLE, IL 62025

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 Mei Huang's NPI number?

The NPI number for Mei Huang is 1417972597. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Mei Huang located?

Mei Huang practices at 2122 Troy Rd Ste 130, Edwardsville, IL 62025. The listed phone number is (618) 800-4595.

What is Mei Huang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mei Huang enrolled in Medicare?

Yes. Mei Huang 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 Mei Huang affiliated with any hospitals?

According to CMS data, Mei Huang is affiliated with Alton Memorial Hospital, Memorial Hospital, Christian Hospital Northeast, Barnes-Jewish St Peters Hospital and Progress West Hospital.

When was this NPI record last updated?

The NPPES record for Mei Huang was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.