TAMMY R KOELSCH ACNP
NPI 1134430002
Nurse Practitioner - Acute Care in Houston, TX
About Tammy R Koelsch Acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY R KOELSCH ACNP (NPI 1134430002) is an individual acute care provider in Houston, Texas, licensed in Texas (AP119006) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tammy R Koelsch Acnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Tammy Koelsch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77098
- Reassigned Medicare billing, Texas enrollment
- 575 clinicians in this Medicare group
San Antonio, TX 78216
- Reassigned Medicare billing, Texas enrollment
- 688 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.
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.
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.
HOUSTON, TX 77030
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 Tammy Koelsch's NPI number?
The NPI number for Tammy Koelsch is 1134430002. It was assigned to this individual provider in the NPPES registry on June 25, 2010.
Where is Tammy Koelsch located?
Tammy Koelsch practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.
What is Tammy Koelsch's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Tammy Koelsch enrolled in Medicare?
Yes. Tammy Koelsch is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tammy Koelsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Koelsch reassigns Medicare benefits to 2 organizations: Texas Digestive Disease Consultants, PLLC (Houston, TX) and Ipc Healthcare Services Of Texas, 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 Tammy Koelsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Koelsch accept?
Health plans from Blue Cross and Blue Shield of Texas list Tammy Koelsch 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.
When was this NPI record last updated?
The NPPES record for Tammy Koelsch was last updated on April 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Tammy R Koelsch, ACNP · NPI 1134430002
Acute Care physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 25, 2010.
## Identity
- **NPI:** 1134430002 (Entity type: Individual)
- **Enumerated:** June 25, 2010
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** AP119006 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1515 HOLCOMBE BLVD, Houston, TX 77030-4009
- **Phone:** (713) 792-6161
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Texas Digestive Disease Consultants, PLLC (NPI 1013429968, Houston, TX); Ipc Healthcare Services Of Texas, PLLC (NPI 1023403011, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 8, 2019
- **Other identifiers:** Other 317949107 (TX); Medicaid 317949106 (TX); Other 8KK168 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1134430002) · Data from the CMS NPPES public registry.