SHEALYNN WALKER MSN, RN, ACNP-BC
NPI 1497213458
Nurse Practitioner - Acute Care in Houston, TX
About Shealynn Walker Msn, Rn, Acnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHEALYNN WALKER MSN, RN, ACNP-BC (NPI 1497213458) is an individual acute care provider in Houston, Texas, licensed in Texas (AP140943) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Tomball, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Shealynn Walker Msn, Rn, Acnp-bc 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.
Medicare Billing Reassignments
2Medicare enrollment records show Shealynn Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77090
- Reassigned Medicare billing, Texas enrollment
- 88 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 681 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Houston Healthcare Tomball
Acute Care Hospitals · Tomball, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77063 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Shealynn Walker's NPI number?
The NPI number for Shealynn Walker is 1497213458. It was assigned to this individual provider in the NPPES registry on March 8, 2019.
Where is Shealynn Walker located?
Shealynn Walker practices at 3800 Tanglewilde St Apt 1004, Houston, TX 77063. The listed phone number is (832) 338-7432.
What is Shealynn Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Shealynn Walker enrolled in Medicare?
Yes. Shealynn Walker 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 Shealynn Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shealynn Walker reassigns Medicare benefits to 2 organizations: Intensivist Medicine Services Of Tx, PLLC (Houston, TX) and Hospital Medicine Services Of Tx, PLLC (San Antonio, 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 Shealynn Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shealynn Walker accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Shealynn Walker 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 Shealynn Walker affiliated with any hospitals?
According to CMS data, Shealynn Walker is affiliated with Hca Houston Healthcare Tomball.
When was this NPI record last updated?
The NPPES record for Shealynn Walker was last updated on July 16, 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.
# Shealynn Walker, MSN, RN, ACNP-BC · NPI 1497213458
Acute Care physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since March 8, 2019.
## Identity
- **NPI:** 1497213458 (Entity type: Individual)
- **Enumerated:** March 8, 2019
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** AP140943 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3800 TANGLEWILDE ST APT 1004, Houston, TX 77063-5163
- **Phone:** (832) 338-7432
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Intensivist Medicine Services Of Tx, PLLC (NPI 1790478444, Houston, TX); Hospital Medicine Services Of Tx, PLLC (NPI 1881392363, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 16, 2024
- **Other identifiers:** Other 760807 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1497213458) · Data from the CMS NPPES public registry.