MARY ANN ZALEWSKI
NPI 1356431340
Nurse Practitioner - Adult Health in Houston, TX

Active since October 13, 2006PECOS Enrolled
77.5/100
CMS Quality Rating
1515 HOLCOMBE BLVD, SUITE 4628, HOUSTON, TX 77030(713) 792-6161 Get Directions Write a Review

NPPES record last updated: March 25, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Ann Zalewski NPPES

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

MARY ANN ZALEWSKI (NPI 1356431340) is an individual adult health provider in Houston, Texas, licensed in Texas (645734) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356431340
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARY ANN ZALEWSKI
Location Address1515 HOLCOMBE BLVD, SUITE 4628Houston, TX 77030-4000
Mailing AddressPo Box 4439, Suite 4628Houston, TX 77210-4439
Sole ProprietorNo
Enumeration DateOctober 13, 2006
Last NPPES UpdateMarch 25, 2021
NPI 1356431340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in TX · 645734
1515 HOLCOMBE BLVD, Houston, TX 77030

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mary Ann Zalewski 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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.

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.

77.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.61
Promoting Interoperability100
Improvement Activities40
Cost56.4

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.

Psychiatry & Neurology (Neurology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Internal Medicine (Nephrology)
1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030
Surgery
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Pathology (Anatomic Pathology & Clinical Pathology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Anesthesiology
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Internal Medicine (Medical Oncology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Physician Assistant
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Nurse Practitioner
1515 HOLCOMBE BLVD
HOUSTON, TX 77030

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 Mary Ann Zalewski's NPI number?

The NPI number for Mary Ann Zalewski is 1356431340. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Mary Ann Zalewski located?

Mary Ann Zalewski practices at 1515 Holcombe Blvd Suite 4628, Houston, TX 77030. The listed phone number is (713) 792-6161.

What is Mary Ann Zalewski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Mary Ann Zalewski enrolled in Medicare?

Yes. Mary Ann Zalewski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Ann Zalewski was last updated on March 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.