MALLORY ESTILL MULLINS NP
NPI 1669811212
Nurse Practitioner - Family in Katy, TX

Active since June 17, 2013PECOS EnrolledAccepts Medicare Assignment
21700 KINGSLAND BLVD STE 203, KATY, TX 77450(281) 398-2140(281) 398-0017 Get Directions Write a Review

NPPES record last updated: January 15, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mallory Estill Mullins Np NPPES

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

MALLORY ESTILL MULLINS NP (NPI 1669811212) is an individual family provider in Katy, Texas, licensed in Texas (764917) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1669811212
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMALLORY ESTILL MULLINSCredential: NP
Location Address21700 KINGSLAND BLVD STE 203Katy, TX 77450
Mailing Address21700 Kingsland Blvd Ste 203Katy, TX 77450-2547 · (281) 398-2140 · Fax (281) 398-0017
Fax(281) 398-0017
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 17, 2013
Last NPPES UpdateJanuary 15, 2019
✔ NPI 1669811212 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 · 764917
21700 KINGSLAND BLVD STE 203, Katy, TX 77450

Secondary Practice Location 1

Location 111920 Astoria Blvd, STE 292Houston, TX 77089-6097 · Phone (281) 929-4335 · Fax (281) 929-4339

Other Identifiers 3

OtherP01217379TX · Medicare Railroad
Medicaid322429701TX
Other8202NCTX · Bcbstx

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mallory Estill Mullins Np 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 ID1658514716
PECOS Enrollment IDI20130821000802
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 Reassignment

Medicare enrollment records show Mallory Mullins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obstetrics & Gynecology
7900 FANNIN ST STE 4000
Houston, TX 77054
  • Reassigned Medicare billing, Texas enrollment
  • 497 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

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

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450847
Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77450 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
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

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

Obstetrics & Gynecology
21700 KINGSLAND BLVD STE 203
KATY, TX 77450

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 Mallory Mullins's NPI number?

The NPI number for Mallory Mullins is 1669811212. It was assigned to this individual provider in the NPPES registry on June 17, 2013.

Where is Mallory Mullins located?

Mallory Mullins practices at 21700 Kingsland Blvd Ste 203, Katy, TX 77450. The listed phone number is (281) 398-2140.

What is Mallory Mullins's specialty?

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

Is Mallory Mullins enrolled in Medicare?

Yes. Mallory Mullins 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.

Which organization bills Medicare for Mallory Mullins's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Mullins reassigns Medicare benefits to Privia Medical Group Gulf Coast, PLLC (Houston, TX). The 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 Mallory Mullins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mallory Mullins accept?

Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Community Health Choice, Oscar Insurance Company and UnitedHealthcare list Mallory Mullins 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 Mallory Mullins affiliated with any hospitals?

According to CMS data, Mallory Mullins is affiliated with Memorial Hermann Katy Hospital.

When was this NPI record last updated?

The NPPES record for Mallory Mullins was last updated on January 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.