MICHELLE ABBE HACKER, PLLC
NPI 1649417809
Nurse Practitioner - Family in Gainesville, TX

Active since January 09, 2009
302 S GRAND AVE, GAINESVILLE, TX 76240(940) 641-3601(940) 295-4934 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 13, 2024, May 16, 2020 (2 updates tracked since 2020).

About Michelle Abbe Hacker, Pllc NPPES

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

MICHELLE ABBE HACKER, PLLC (NPI 1649417809) is a healthcare organization registered as a family in Gainesville, Texas and active in the NPI registry since January 2009. The organization lists Michelle Dianes Hacker, Nurse Practitioner, as its authorized official.

NPPES Registry Identity

NPI1649417809
Entity TypeOrganization
Primary Taxonomy363LF0000X
Legal Business NameMICHELLE ABBE HACKER, PLLC
Location Address302 S GRAND AVEGainesville, TX 76240-5015
Mailing Address302 S Grand AveGainesville, TX 76240-5015 · (940) 641-3601 · Fax (940) 295-4934
Fax(940) 295-4934
Organization SubpartNo
Authorized OfficialMichelle Dianes HackerNurse Practitioner · (940) 641-3601
Enumeration DateJanuary 9, 2009
Last NPPES UpdateApril 25, 20252 updates tracked since enumeration
NPPES CertifiedApril 25, 2025
✔ NPI 1649417809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 658966
302 S GRAND AVE, Gainesville, TX 76240

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Abbe Hacker, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateTexasEnrollment IDO20090821000524Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Michelle Abbe Hacker, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nurse Practitioner
NPI 1558386169
302 S GRAND AVE
Gainesville, TX 76240
(940) 641-3601
✔ PECOS✔ Accepts MedicareSame address

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

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 Abbe Hacker, PLLC's NPI number?

The NPI number for Michelle Abbe Hacker, PLLC is 1649417809. It was assigned to this organization in the NPPES registry on January 9, 2009.

Where is Michelle Abbe Hacker, PLLC located?

Michelle Abbe Hacker, PLLC is located at 302 S Grand Ave, Gainesville, TX 76240. The listed phone number is (940) 641-3601.

What is Michelle Abbe Hacker, PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Michelle Abbe Hacker, PLLC enrolled in Medicare?

Yes. Michelle Abbe Hacker, PLLC is registered in the Medicare PECOS enrollment system.

When is Michelle Abbe Hacker, PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Michelle Abbe Hacker, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Michelle Abbe Hacker, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Michelle Abbe Hacker, PLLC accept?

Health plans from Molina Healthcare list Michelle Abbe Hacker, PLLC 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 Michelle Abbe Hacker, PLLC was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.