LESA LORRAYNE RATHJEN CRNA
NPI 1598746208
Nurse Anesthetist, Certified Registered in Fort Sam Houston, TX

Active since November 09, 2005Accepts Medicare Assignment
75/100
CMS Quality Rating
3851 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(210) 916-1222 Get Directions Write a Review

NPPES record last updated: September 26, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lesa Lorrayne Rathjen Crna NPPES

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

LESA LORRAYNE RATHJEN CRNA (NPI 1598746208) is an individual nurse anesthetist, certified registered in Fort Sam Houston, Texas, licensed in Texas (673777) and active in the NPI registry since November 2005. She is a graduate of Other (1999).

NPPES Registry Identity

NPI1598746208
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameLESA LORRAYNE RATHJENCredential: CRNA
Location Address3851 ROGER BROOKE DRFort Sam Houston, TX 78234-4501
Mailing Address407 Kendall StSan Antonio, TX 78212 · (210) 875-7289
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateNovember 9, 2005
Last NPPES UpdateSeptember 26, 2014
✔ NPI 1598746208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in TX · 673777
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
3851 ROGER BROOKE DR, Fort Sam Houston, TX 78234

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

Lesa Lorrayne Rathjen Crna 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 ID244207694
PECOS Enrollment IDI20221230000399

Medicare Billing Reassignments

7

Medicare enrollment records show Lesa Rathjen reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical Pathology/Laboratory Medicine
7703 FLOYD CURL DR RM 327B
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 2,397 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1015 W MEDICAL CENTER BLVD STE 1200
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 710 clinicians in this Medicare group
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
Anesthesiology
15305 DALLAS PKWY STE 900
Addison, TX 75001
  • Reassigned Medicare billing, Texas enrollment
  • 513 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1100 ANDRE ST, SUITE 300
New Iberia, LA 70563
  • Reassigned Medicare billing, Texas enrollment
  • 282 clinicians in this Medicare group
Specialist
2136 E DESERT INN RD STE A
Las Vegas, NV 89169
  • Reassigned Medicare billing, Nevada enrollment
  • 18 clinicians in this Medicare group
Anesthesiology
304 S JONES BLVD # 884
Las Vegas, NV 89107
  • Reassigned Medicare billing, Nevada enrollment
  • 182 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 4

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
77 services77 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
67 services67 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
60 services60 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
49 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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.

Psychologist
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Anesthesiology (Critical Care Medicine)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Nurse Practitioner (Acute Care)
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, MCHE-QD(CREDS)
FORT SAM HOUSTON, TX 78234
Occupational Therapy Assistant
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physical Therapist
3851 ROGER BROOKE DR, MCHE-QD (CRENDENTIALS)
FORT SAM HOUSTON, TX 78234
Anesthesiology
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Internal Medicine
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Radiology (Therapeutic Radiology)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234

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 Lesa Rathjen's NPI number?

The NPI number for Lesa Rathjen is 1598746208. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is Lesa Rathjen located?

Lesa Rathjen practices at 3851 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-1222.

What is Lesa Rathjen's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Lesa Rathjen enrolled in Medicare?

Yes. Lesa Rathjen 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 Lesa Rathjen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lesa Rathjen reassigns Medicare benefits to 7 organizations: University Of Texas Health Science Center At San Antonio (San Antonio, TX), Endo Sedation LLC (Webster, TX), Emergenchealth PLLC (Fort Worth, TX), Orthomed Staffing LLC (Addison, TX), Youngs Professional Services LLC (New Iberia, LA) and 2 more organizations, listed in the Medicare section above. 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 Lesa Rathjen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lesa Rathjen accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Blue Cross and Blue Shield of Texas list Lesa Rathjen 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 Lesa Rathjen was last updated on September 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.