MARYANN PINEDA MARINAS CRNA
NPI 1154665255
Nurse Anesthetist, Certified Registered in Houston, TX

Active since November 15, 2012Accepts Medicare Assignment
93.5/100
CMS Quality Rating
1500 CITYWEST BLVD, STE. 300, HOUSTON, TX 77042(713) 620-4000(713) 458-4229 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 18, 2025, Aug 25, 2020, Mar 13, 2017 (3 updates tracked since 2017).

About Maryann Pineda Marinas Crna NPPES

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

MARYANN PINEDA MARINAS CRNA (NPI 1154665255) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (AP123103) and active in the NPI registry since November 2012. She is affiliated with Texas Orthopedic Hospital, maintains a secondary practice location in Houston, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1154665255
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMARYANN PINEDA MARINASCredential: CRNA
Location Address1500 CITYWEST BLVD, STE. 300Houston, TX 77042
Mailing AddressPo Box 840853Dallas, TX 75284-0865 · (972) 233-1999 · Fax (972) 233-3666
Fax(713) 458-4229
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateNovember 15, 2012
Last NPPES UpdateNovember 18, 20253 updates tracked since enumeration
NPPES CertifiedNovember 18, 2025
✔ NPI 1154665255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in TX · AP123103
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1500 CITYWEST BLVD, Houston, TX 77042

Secondary Practice Location 1

Location 11504 Taub LoopHouston, TX 77030-1608 · Phone (713) 832-8890

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

Maryann Pineda Marinas Crna 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 ID3971740549
PECOS Enrollment IDI20130520000446

Medicare Billing Reassignments

5

Medicare enrollment records show Maryann Marinas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
Anesthesiology
333 N TEXAS AVE
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 403 clinicians in this Medicare group
Anesthesiology
333 N TEXAS AVE STE 1000
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 543 clinicians in this Medicare group
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
57 services56 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
53 services52 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
27 services27 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
16 services16 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Texas Orthopedic Hospital

Acute Care Hospitals · Houston, TX
OwnershipVoluntary non-profit - Other
CMS Certification Number450804
Location7401 South Main StreetHouston, TX 77030 · Harris County
Emergency services

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

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 77042 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

Other Providers at the Same Location NPPES 20

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

Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, SUITE 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042

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 Maryann Marinas's NPI number?

The NPI number for Maryann Marinas is 1154665255. It was assigned to this individual provider in the NPPES registry on November 15, 2012.

Where is Maryann Marinas located?

Maryann Marinas practices at 1500 Citywest Blvd Ste. 300, Houston, TX 77042. The listed phone number is (713) 620-4000.

What is Maryann Marinas's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Maryann Marinas enrolled in Medicare?

Yes. Maryann Marinas 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 organizations bill Medicare for Maryann Marinas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Marinas reassigns Medicare benefits to 5 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Baylor College Of Medicine (Houston, TX), Compass Anesthesia Providers PLLC (Webster, TX), Texans Anesthesia Associates PLLC (Webster, TX) and Emergenchealth PLLC (Fort Worth, 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 Maryann Marinas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maryann Marinas accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Maryann Marinas 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 Maryann Marinas affiliated with any hospitals?

According to CMS data, Maryann Marinas is affiliated with Texas Orthopedic Hospital, Houston Methodist Sugarland Hospital and Memorial Hermann Katy Hospital.

When was this NPI record last updated?

The NPPES record for Maryann Marinas was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.