DR. HILLARY CHOLLET MD
NPI 1841254422
Surgery in Harlingen, TX

Q: What is Hillary Chollet's NPI number?

The NPI number for Hillary Chollet is 1841254422. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Q: What is Hillary Chollet's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Hillary Chollet was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 April 12, 2006PECOS Enrolled

2121 PEASE ST STE 406, HARLINGEN, TX 78550(956) 389-4710(956) 389-3537 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Jun 8, 2017 (2 updates tracked since 2017).

On this page

About Dr. Hillary Chollet Md NPPES

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

DR. HILLARY CHOLLET MD (NPI 1841254422) is an individual surgery provider in Harlingen, Texas, licensed in Missouri (2002000058) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841254422

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. HILLARY CHOLLETCredential: MD

Location Address2121 PEASE ST STE 406Harlingen, TX 78550-8338

Mailing Address2101 Pease St Ste 1gHarlingen, TX 78550-8307 · (956) 389-4710 · Fax (956) 389-3537

Phone(956) 389-4710

Fax(956) 389-3537

Sole ProprietorNo

Enumeration DateApril 12, 2006

Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration

✔ NPI 1841254422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in MO · 2002000058

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 2002000058 (MO)

Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License 2002000058 (MO)

2121 PEASE ST STE 406, Harlingen, TX 78550

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hillary Chollet Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Hillary Chollet reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bhs Physicians Network, Inc

243 mi

Family Medicine

502 MADISON OAK DR STE 310
San Antonio, TX 78258

Reassigned Medicare billing, Texas enrollment
964 clinicians in this Medicare group

NPI 1598958431 (210) 483-8883

Guam Memorial Hospital

General Acute Care Hospital

850 GOVERNOR CARLOS CAMACHO ROAD
Oka Tamuning, GU 96913

Reassigned Medicare billing, Guam enrollment
320 clinicians in this Medicare group

NPI 1366519027 (671) 647-2937

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

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 2

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

DR. KAMESH SIVAGNANAM MD

Internal Medicine (Cardiovascular Disease)

2121 PEASE ST STE 406
HARLINGEN, TX 78550

Cameron County (956) 389-5677

DR. SOHUM DESAI M.D.

Neurological Surgery

2121 PEASE ST STE 406
HARLINGEN, TX 78550

Cameron County (956) 389-4060

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 Hillary Chollet's NPI number?

The NPI number for Hillary Chollet is 1841254422. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Hillary Chollet located?

Hillary Chollet practices at 2121 Pease St Ste 406, Harlingen, TX 78550. The listed phone number is (956) 389-4710.

What is Hillary Chollet's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Hillary Chollet enrolled in Medicare?

Yes. Hillary Chollet is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hillary Chollet's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Chollet reassigns Medicare benefits to 2 organizations: Bhs Physicians Network, Inc (San Antonio, TX) and Guam Memorial Hospital (Oka Tamuning, GU). 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 Hillary Chollet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hillary Chollet accept?

Health plans from Blue Cross and Blue Shield of Texas list Hillary Chollet 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.

When was this NPI record last updated?

The NPPES record for Hillary Chollet was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.