1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Nurse Anesthetist Certified Registered
  6. NPI Profile

ALEXA KATHARINE KOENIG CRNA
NPI 1609432384
Nurse Anesthetist, Certified Registered in San Antonio, TX

Active since May 17, 2019Accepts Medicare Assignment
89.92/100
CMS Quality Rating
4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 567-4500(210) 567-0083 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2026, Aug 7, 2023, Jul 2, 2021 and 1 more (4 updates tracked since 2019).

About Alexa Katharine Koenig Crna NPPES

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

ALEXA KATHARINE KOENIG CRNA (NPI 1609432384) is an individual nurse anesthetist, certified registered in San Antonio, Texas, licensed in Texas (AP142667) and active in the NPI registry since May 2019. She maintains 4 additional practice locations and is a graduate of Other (2019).

NPPES Registry Identity

NPI1609432384
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameALEXA KATHARINE KOENIGCredential: CRNA
Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402
Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 567-4500 · Fax (210) 567-0083
Phone(210) 567-4500
Fax(210) 567-0083
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 17, 2019
Last NPPES UpdateAugust 7, 20264 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1609432384 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 · AP142667
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.
4502 MEDICAL DR, San Antonio, TX 78229
Open in Google Maps ↗

Secondary Practice Locations 4

Location 1903 W Martin St # MS 49-2San Antonio, TX 78207-0903 · Phone (210) 358-3400 · Fax (210) 702-6953
Location 24502 Medical DrSan Antonio, TX 78229-4402 · Phone (210) 358-4000 · Fax (210) 358-4775
Location 3215 N San Saba Ste 206San Antonio, TX 78207-3120 · Phone (210) 615-6626 ext. 0
Location 48300 Floyd Curl DrSan Antonio, TX 78229-3931 · Phone (210) 450-9000 · Fax (210) 644-9307

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Community First and more.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

Alexa Katharine Koenig 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 ID6507268752
PECOS Enrollment IDI20210709001424

Medicare Billing Reassignments

5

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

Uthscsa Dental School
0.2 mi
Oral and Maxillofacial Surgery
7703 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: University Of Texas Health Science Center At San Antonio
  • 2,397 clinicians in this Medicare group
NPI 1750403887 (210) 567-3274
Community Medicine Associates
7.0 mi
Family Medicine
903 W MARTIN ST # MS 49-2
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 1,129 clinicians in this Medicare group
NPI 1245313329 (210) 358-3401
M. Reza Mizani, M.D., P.A.
7.5 mi
Nephrology
215 N SAN SABA STE 301
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: M Reza Mizani MD PA
  • 29 clinicians in this Medicare group
NPI 1275503393 (210) 212-8622
U. S. Anesthesia Partners Of Texas, P.A.,
182 mi
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
NPI 1548208564 (877) 361-1809
Emergenchealth PLLC
230 mi
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
NPI 1467970897 (972) 861-1270

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 78229 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.

89.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.39
Promoting Interoperability100
Improvement Activities40
Cost62.89

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.

EDUARDO N. POLLONO MD
Internal Medicine (Cardiovascular Disease)
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4000
DR. MAHDIEH IRAN NEJAD PARIZI M.D.
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-2015
RICHARD LEE BALLENTINE D.M.D.
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-2015
MR. STEVAN REYES PTA
Physical Therapy Assistant
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4253
MRS. CLAIRE LELEUX BEADLE CRNA
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4000
NNENNA AWAGU CRNA
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 567-4500
DR. CYNTHIA N NGUYEN PHARMD
Pharmacist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 743-4034
DR. JONATHAN EDWARD SLOVIK MD
Hospitalist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4000

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 Alexa Koenig's NPI number?

The NPI number for Alexa Koenig is 1609432384. It was assigned to this individual provider in the NPPES registry on May 17, 2019.

Where is Alexa Koenig located?

Alexa Koenig practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 567-4500.

What is Alexa Koenig's specialty?

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

Is Alexa Koenig enrolled in Medicare?

Yes. Alexa Koenig 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 Alexa Koenig's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexa Koenig reassigns Medicare benefits to 5 organizations: Uthscsa Dental School (San Antonio, TX), Community Medicine Associates (San Antonio, TX), M. Reza Mizani, M.D., P.A. (San Antonio, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX) and Emergenchealth PLLC (Fort Worth, 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 Alexa Koenig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexa Koenig accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Alexa Koenig 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 Alexa Koenig was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.