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MARITZA CALDERON RUIZ NP-C
NPI 1982095790
Nurse Practitioner - Family in Houston, TX

Active since February 16, 2015PECOS Enrolled
1635 NORTH LOOP, MEMORIAL HERMANN NORTHWEST, HOUSTON, TX 77008(713) 867-2000 Get Directions Write a Review

NPPES record last updated: September 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 19, 2024, Jul 6, 2020 (2 updates tracked since 2020).

About Maritza Calderon Ruiz Np-c NPPES

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

MARITZA CALDERON RUIZ NP-C (NPI 1982095790) is an individual family provider in Houston, Texas, licensed in Texas (AP127733) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982095790
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARITZA CALDERON RUIZCredential: NP-C
Location Address1635 NORTH LOOP, MEMORIAL HERMANN NORTHWESTHouston, TX 77008
Mailing Address13726 View Meadow LnHouston, TX 77034-2156 · (713) 373-1781
Phone(713) 867-2000
Sole ProprietorYes
Enumeration DateFebruary 16, 2015
Last NPPES UpdateSeptember 19, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2024
✔ NPI 1982095790 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 · AP127733
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License F0215294 (TX)
1635 NORTH LOOP, Houston, TX 77008
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maritza Calderon Ruiz Np-c 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 Reassignment

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

Acs Primary Care Physicians Southwest, PA
284 mi
Emergency Medicine
1900 HOSPITAL BLVD
Gainesville, TX 76240
  • Reassigned Medicare billing, Texas enrollment
  • 1,193 clinicians in this Medicare group
NPI 1538101019 (925) 924-1600

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 77008 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.

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 Maritza Ruiz's NPI number?

The NPI number for Maritza Ruiz is 1982095790. It was assigned to this individual provider in the NPPES registry on February 16, 2015.

Where is Maritza Ruiz located?

Maritza Ruiz practices at 1635 North Loop Memorial Hermann Northwest, Houston, TX 77008. The listed phone number is (713) 867-2000.

What is Maritza Ruiz's specialty?

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

Is Maritza Ruiz enrolled in Medicare?

Yes. Maritza Ruiz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maritza Ruiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maritza Ruiz reassigns Medicare benefits to Acs Primary Care Physicians Southwest, PA (Gainesville, 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 Maritza Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maritza Ruiz accept?

Health plans from Oscar Insurance Company list Maritza Ruiz 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 Maritza Ruiz was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.