GRACE GATHONI KAMAU AG-ACNP
NPI 1457969917
Nurse Practitioner - Critical Care Medicine in Grand Prairie, TX

Active since July 21, 2020PECOS EnrolledAccepts Medicare Assignment
3255 YELTES, GRAND PRAIRIE, TX 75054(586) 344-3718 Get Directions Write a Review

NPPES record last updated: July 21, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Grace Gathoni Kamau Ag-acnp NPPES

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

GRACE GATHONI KAMAU AG-ACNP (NPI 1457969917) is an individual critical care medicine provider in Grand Prairie, Texas, licensed in Texas (AP145838) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, is affiliated with St Vincent Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1457969917
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameGRACE GATHONI KAMAUCredential: AG-ACNP
Location Address3255 YELTESGrand Prairie, TX 75054-7505
Mailing Address1441 N Beckley AveDallas, TX 75203-1201 · (214) 947-3399
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 21, 2020
NPPES CertifiedJuly 21, 2020
✔ NPI 1457969917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in TX · AP145838
3255 YELTES, Grand Prairie, TX 75054

Other Identifiers 1

OtherAP145838TX · Ap145838

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

Grace Gathoni Kamau Ag-acnp 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 ID6103233754
PECOS Enrollment IDI20240620003412
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

5

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

Critical Care Medicine
221 W COLORADO BLVD STE 525
Dallas, TX 75208
  • Reassigned Medicare billing, Texas enrollment
  • 254 clinicians in this Medicare group
Internal Medicine
8200 WALNUT HILL LN
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 1,208 clinicians in this Medicare group
Internal Medicine
18951 N MEMORIAL DR
Humble, TX 77338
  • Reassigned Medicare billing, Texas enrollment
  • 2,009 clinicians in this Medicare group
Hospitalist
115 LINCOLN ST
Framingham, MA 01702
  • Reassigned Medicare billing, Massachusetts enrollment
  • 156 clinicians in this Medicare group
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1720037385 (Massachusetts)
  • 2,579 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 Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75054 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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 Grace Kamau's NPI number?

The NPI number for Grace Kamau is 1457969917. It was assigned to this individual provider in the NPPES registry on July 21, 2020.

Where is Grace Kamau located?

Grace Kamau practices at 3255 Yeltes, Grand Prairie, TX 75054. The listed phone number is (586) 344-3718.

What is Grace Kamau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Grace Kamau enrolled in Medicare?

Yes. Grace Kamau 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 Grace Kamau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace Kamau reassigns Medicare benefits to 5 organizations: Dallas Pulmonary & Critical Care PA (Dallas, TX), Cogent Healthcare Of Texas, PA (Dallas, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Hospitalist Physicians Of Massachusetts PC (Framingham, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Grace Kamau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grace Kamau accept?

Health plans from Blue Cross and Blue Shield of Texas and Taro Health list Grace Kamau 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 Grace Kamau affiliated with any hospitals?

According to CMS data, Grace Kamau is affiliated with St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Grace Kamau was last updated on July 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.