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KARLA D GRECIA CRNA
NPI 1417983735
Nurse Anesthetist, Certified Registered in Houston, TX

Active since June 26, 2006Accepts Medicare Assignment
1500 CITYWEST BLVD STE 300, HOUSTON, TX 77042(713) 620-4000 Get Directions Write a Review

NPPES record last updated: August 12, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karla D Grecia Crna NPPES

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

KARLA D GRECIA CRNA (NPI 1417983735) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (365871) and active in the NPI registry since June 2006. She maintains a secondary practice location in Houston and is a graduate of Other (1996).

NPPES Registry Identity

NPI1417983735
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameKARLA D GRECIACredential: CRNA
Location Address1500 CITYWEST BLVD STE 300Houston, TX 77042
Mailing AddressPo Box 840853Dallas, TX 75284-0853 · (972) 233-1999 · Fax (972) 233-3666
Phone(713) 620-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJune 26, 2006
Last NPPES UpdateAugust 12, 2020
NPPES CertifiedAugust 12, 2020
✔ NPI 1417983735 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 · 365871
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.
1500 CITYWEST BLVD STE 300, Houston, TX 77042
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Secondary Practice Location 1

Location 17900 Fannin St, Suite 2300Houston, TX 77054-2934 · Phone (713) 790-1349 ext. 236 · Fax (713) 790-0028

Other Identifiers 3

Other365871TX · Rn License
Other85715UTX · Blue Cross Provider Id
Other87060UTX · Blue Cross Blue Shield

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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

Karla D Grecia 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 ID143300095
PECOS Enrollment IDI20080103000715

Medicare Billing Reassignments

10

Medicare enrollment records show Karla Grecia reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesia Care By Doctors PLLC
2.6 mi
Anesthesiology
10837 KATY FWY, SUITE175
Houston, TX 77079
  • Reassigned Medicare billing, Texas enrollment
  • 8 clinicians in this Medicare group
NPI 1356636435 (713) 932-9200
Harris County Med Surg Partners PLLC
2.7 mi
Anesthesiology
11111 KATY FREEWAY, SUITE 910 - #0274
Houston, TX 77079
  • Reassigned Medicare billing, Texas enrollment
  • 95 clinicians in this Medicare group
NPI 1417490137 (888) 589-8550
Houston Anesthesia Services PLLC
4.0 mi
Anesthesiology
6200 SAVOY DR STE 1202
Houston, TX 77036
  • Reassigned Medicare billing, Texas enrollment
  • 122 clinicians in this Medicare group
NPI 1194332130 (323) 472-6823
Campbell Anesthesia Group, PLLC
4.5 mi
Anesthesiology
1438 CAMPBELL RD, SUITE 104
Houston, TX 77055
  • Reassigned Medicare billing, Texas enrollment
  • 23 clinicians in this Medicare group
NPI 1346580909 (713) 464-1650
Phoenix Anesthesia Associates, PLLC
7.1 mi
Anesthesiology
4219 RICHMOND AVE STE 100
Houston, TX 77027
  • Reassigned Medicare billing, Texas enrollment
  • 43 clinicians in this Medicare group
NPI 1275484990 (713) 634-4433
Southern Group Anesthesia PLLC
17 mi
Anesthesiology
1259 FM 1463 RD STE 500
Katy, TX 77494
  • Reassigned Medicare billing, Texas enrollment
  • 52 clinicians in this Medicare group
NPI 1720628936 (361) 237-1072
Deerbrook Endo Sedation PLLC
28 mi
Anesthesiology
310 KINGWOOD EXECUTIVE DR STE A
Kingwood, TX 77339
  • Reassigned Medicare billing, Texas enrollment
  • 27 clinicians in this Medicare group
NPI 1982254223 (832) 412-4330
Endo Sedation LLC
30 mi
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
NPI 1811464936 (281) 554-3494
Texans Anesthesia Associates PLLC
30 mi
Anesthesiology
333 N TEXAS AVE STE 1000
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 543 clinicians in this Medicare group
NPI 1275733982 (713) 400-2990
Capitol Medical Management Group
Nurse Anesthetist, Certified Registered
7505 S. MAIN ST STE# 520
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 38 clinicians in this Medicare group
NPI 1225117872 (713) 335-2365

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 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.
33 services33 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.
31 services31 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.
15 services15 patients
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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77042 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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.

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.

EDITHA A FLEMMING CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
JAMES NAST TRAHAN AA
Anesthesiologist Assistant
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
ALYSSA CIRILO ESTILL CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
RUSHI DILIP BRAHMBHATT CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-0000
LAUREN KATE NIKOLICH CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (972) 715-5000
DOMINIQUE H NGUYEN MD
Anesthesiology
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
DARLENE MARIE DOBSON
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
ERIN R DEPEW CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (972) 233-1999

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 Karla Grecia's NPI number?

The NPI number for Karla Grecia is 1417983735. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Karla Grecia located?

Karla Grecia practices at 1500 Citywest Blvd Ste 300, Houston, TX 77042. The listed phone number is (713) 620-4000.

What is Karla Grecia's specialty?

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

Is Karla Grecia enrolled in Medicare?

Yes. Karla Grecia 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 Karla Grecia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karla Grecia reassigns Medicare benefits to 10 organizations: Anesthesia Care By Doctors PLLC (Houston, TX), Harris County Med Surg Partners PLLC (Houston, TX), Houston Anesthesia Services PLLC (Houston, TX), Campbell Anesthesia Group, PLLC (Houston, TX), Phoenix Anesthesia Associates, PLLC (Houston, TX) and 5 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 Karla Grecia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karla Grecia accept?

Health plans from Blue Cross and Blue Shield of Texas list Karla Grecia 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 Karla Grecia was last updated on August 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.