TERESSA HEADRICK LEMASTER CNS
NPI 1003146598
Clinical Nurse Specialist - Acute Care in Tulsa, OK
About Teressa Headrick Lemaster Cns NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TERESSA HEADRICK LEMASTER CNS (NPI 1003146598) is an individual acute care provider in Tulsa, Oklahoma, licensed in Oklahoma (70612) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS, is affiliated with Ascension St John Jane Phillips, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Teressa Headrick Lemaster 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.
Medicare Billing Reassignments
4Medicare enrollment records show Teressa Lemaster reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 300 clinicians in this Medicare group
Broken Arrow, OK 74012
- Reassigned Medicare billing, Oklahoma enrollment
- 48 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Oklahoma enrollment
- 284 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St John Jane Phillips
Acute Care Hospitals · Bartlesville, OKAscension St John Medical Center
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74104 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.
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 Teressa Lemaster's NPI number?
The NPI number for Teressa Lemaster is 1003146598. It was assigned to this individual provider in the NPPES registry on January 5, 2010.
Where is Teressa Lemaster located?
Teressa Lemaster practices at 1705 E 19th St Suite 302, Tulsa, OK 74104. The listed phone number is (918) 748-7585.
What is Teressa Lemaster's specialty?
The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Acute Care, with taxonomy code 364SA2100X.
Is Teressa Lemaster enrolled in Medicare?
Yes. Teressa Lemaster 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 Teressa Lemaster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Teressa Lemaster reassigns Medicare benefits to 4 organizations: St. John Physicians, Inc. (Tulsa, OK), Usacs Observation Medicine Services Of Oklahoma, LLC (Tulsa, OK), Usacs Critical Care Medicine Of Oklahoma, LLC (Broken Arrow, OK) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, 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 Teressa Lemaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Teressa Lemaster accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Teressa Lemaster 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 Teressa Lemaster affiliated with any hospitals?
According to CMS data, Teressa Lemaster is affiliated with Ascension St John Jane Phillips and Ascension St John Medical Center.
When was this NPI record last updated?
The NPPES record for Teressa Lemaster was last updated on January 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Teressa Headrick Lemaster, CNS · NPI 1003146598
Acute Care physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since January 5, 2010.
## Identity
- **NPI:** 1003146598 (Entity type: Individual)
- **Enumerated:** January 5, 2010
- **Primary specialty:** Clinical Nurse Specialist - Acute Care · taxonomy 364SA2100X
- **State license:** 70612 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1705 E 19TH ST, SUITE 302, Tulsa, OK 74104-5405
- **Phone:** (918) 748-7585 · **Fax:** (918) 748-7539
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK); Usacs Observation Medicine Services Of Oklahoma, LLC (NPI 1326739111, Tulsa, OK); Usacs Critical Care Medicine Of Oklahoma, LLC (NPI 1255166856, Broken Arrow, OK); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** January 5, 2010
---
Source: [NPI Profile](https://npiprofile.com/npi/1003146598) · Data from the CMS NPPES public registry.