MACKENZIE PONNAPALLI AG-CNS
NPI 1396331302
Clinical Nurse Specialist in Houston, TX

Active since December 14, 2020PECOS EnrolledAccepts Medicare Assignment
7200 CAMBRIDGE ST FL 6, HOUSTON, TX 77030(713) 798-2545 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 5, 2024, Jul 9, 2024, Mar 17, 2021 and 1 more (4 updates tracked since 2020).

About Mackenzie Ponnapalli Ag-cns NPPES

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

MACKENZIE PONNAPALLI AG-CNS (NPI 1396331302) is an individual clinical nurse specialist in Houston, Texas, licensed in Texas (1012648) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and maintains a secondary practice location in Katy.

NPPES Registry Identity

NPI1396331302
Entity TypeIndividualFemale
Primary Taxonomy364S00000X
Provider Legal NameMACKENZIE PONNAPALLICredential: AG-CNS
Location Address7200 CAMBRIDGE ST FL 6Houston, TX 77030-4202
Mailing Address1331 W Grand Pkwy N Ste 130Katy, TX 77493-2711 · (281) 646-9000 · Fax (281) 206-2311
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateDecember 14, 2020
Last NPPES UpdateOctober 23, 20254 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
✔ NPI 1396331302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364S00000X
License✔ Licensed in TX · 1012648
Definition
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Also ListedClinical Nurse Specialist · GerontologyTaxonomy 364SG0600X · License 1012648 (TX)
7200 CAMBRIDGE ST FL 6, Houston, TX 77030

Secondary Practice Location 1

Location 120710 Westheimer PkwyKaty, TX 77450-6256 · Phone (281) 646-9000 · Fax (281) 206-2311

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

Mackenzie Ponnapalli Ag-cns 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 ID9234544230
PECOS Enrollment IDI20210225002186
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

4

Medicare enrollment records show Mackenzie Ponnapalli reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Genetics, Ph.D. Medical Genetics
7200 CAMBRIDGE ST FL 10
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,554 clinicians in this Medicare group
Cardiovascular Disease
5115 FANNIN ST STE 801
Houston, TX 77004
  • Reassigned Medicare billing, Texas enrollment
  • 96 clinicians in this Medicare group
Cardiovascular Disease
1331 W GRAND PKWY N STE 130
Katy, TX 77493
  • Reassigned Medicare billing, Texas enrollment
  • 30 clinicians in this Medicare group
Cardiovascular Disease
3801 N LAMAR BLVD, STE 300
Austin, TX 78756
  • Reassigned Medicare billing, Texas enrollment
  • 197 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.

St David's Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450431
Location919 E 32nd StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

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
$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
$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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Automatic external defibrillator, with integrated electrocardiogram analysis, garment type K0606
DME-Other DME · category DE013N
1 supplier13 claims13 services$2,196.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Practitioner
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Thoracic Surgery (Cardiothoracic Vascular Surgery)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Cardiovascular Disease)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Surgery (Surgical Critical Care)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Cardiovascular Disease)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Infectious Disease)
7200 CAMBRIDGE ST FL 6
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 Mackenzie Ponnapalli's NPI number?

The NPI number for Mackenzie Ponnapalli is 1396331302. It was assigned to this individual provider in the NPPES registry on December 14, 2020.

Where is Mackenzie Ponnapalli located?

Mackenzie Ponnapalli practices at 7200 Cambridge St Fl 6, Houston, TX 77030. The listed phone number is (713) 798-2545.

What is Mackenzie Ponnapalli's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist with taxonomy code 364S00000X.

Is Mackenzie Ponnapalli enrolled in Medicare?

Yes. Mackenzie Ponnapalli 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 Mackenzie Ponnapalli's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Ponnapalli reassigns Medicare benefits to 4 organizations: Baylor College Of Medicine (Houston, TX), Houston Cardiovascular Assoc PA (Houston, TX), Memorial City Cardiology Associates PA (Katy, TX) and St Davids Heart & Vascular, PLLC (Austin, 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 Mackenzie Ponnapalli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mackenzie Ponnapalli accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Mackenzie Ponnapalli 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 Mackenzie Ponnapalli affiliated with any hospitals?

According to CMS data, Mackenzie Ponnapalli is affiliated with St David's Medical Center.

When was this NPI record last updated?

The NPPES record for Mackenzie Ponnapalli was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.