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ESTHER YEJIN PAK FNP
NPI 1013856202
Nurse Practitioner - Family in Double Oak, TX

Active since March 25, 2026PECOS Enrolled
8501 FM 407, DOUBLE OAK, TX 75077(972) 966-1980(972) 691-4937 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 27, 2026, May 4, 2026, Mar 25, 2026 (3 updates tracked since 2026).

About Esther Yejin Pak Fnp NPPES

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

ESTHER YEJIN PAK FNP (NPI 1013856202) is an individual family provider in Double Oak, Texas, licensed in Texas (1230034) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in Argyle, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1013856202
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameESTHER YEJIN PAKCredential: FNP
Location Address8501 FM 407Double Oak, TX 75077-3031
Mailing Address8501 Fm 407Double Oak, TX 75077-3031 · (972) 966-1980 · Fax (972) 691-4937
Phone(972) 966-1980
Fax(972) 691-4937
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 25, 2026
Last NPPES UpdateMay 27, 20263 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1013856202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1230034
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 1230034 (TX)
8501 FM 407, Double Oak, TX 75077
Open in Google Maps ↗

Secondary Practice Location 1

Location 1391 US-377Argyle, TX 76226 · Phone (940) 784-7301

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Esther Yejin Pak Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5799249678
PECOS Enrollment IDI20260711000371
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

2

Medicare enrollment records show Esther Pak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Texas Emergency Physicians, PA
Same address
Urgent Care
8501 FM 407
Double Oak, TX 75077
  • Reassigned Medicare billing, Texas enrollment
  • 17 clinicians in this Medicare group
NPI 1477758969 (972) 966-1980
Rapid Med Argyle PA
6.3 mi
Urgent Care
391 US HWY 377 S
Argyle, TX 76226
  • Reassigned Medicare billing, Texas enrollment
  • 16 clinicians in this Medicare group
NPI 1528666153 (940) 784-7301

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 75077 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
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 16

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

KALEENA DENISE PICKETT PA-C
Physician Assistant
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (972) 966-1980
DR. REBECCA GOMEZ MD
Family Medicine
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (972) 966-1980
LACY E MARTINEZ APRN
Nurse Practitioner (Family)
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (972) 966-1980
MRS. KATHERINE ANN WRIGHT PA-S
Physician Assistant
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (972) 966-1980
BIJAL PATEL FNP
Family Medicine
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (972) 966-1980
TAYLAR MATA ATC
Specialist/Technologist (Athletic Trainer)
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (972) 966-1980
LINDSEY NICOLE WELLS FNP
Nurse Practitioner (Primary Care)
8501 FM 407
HIGHLAND VILLAGE, TX 75077
Denton County (972) 966-1980
LINDSIE KELSO CNP
Family Medicine
8501 FM 407
DOUBLE OAK, TX 75077
Denton County (505) 934-0009

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 Esther Pak's NPI number?

The NPI number for Esther Pak is 1013856202. It was assigned to this individual provider in the NPPES registry on March 25, 2026.

Where is Esther Pak located?

Esther Pak practices at 8501 Fm 407, Double Oak, TX 75077. The listed phone number is (972) 966-1980.

What is Esther Pak's specialty?

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

Is Esther Pak enrolled in Medicare?

Yes. Esther Pak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Esther Pak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esther Pak reassigns Medicare benefits to 2 organizations: North Texas Emergency Physicians, PA (Double Oak, TX) and Rapid Med Argyle PA (Argyle, TX). 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 Esther Pak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Esther Pak was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.