IAS OKLAHOMA LLC
NPI 1174394365
Anesthesiology in Lawton, OK

Active since January 16, 2024
5602 SW LEE BLVD, LAWTON, OK 73505(469) 420-5544 Get Directions Write a Review

NPPES record last updated: February 15, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ias Oklahoma Llc NPPES

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

IAS OKLAHOMA LLC (NPI 1174394365) is a healthcare organization registered as an anesthesiology in Lawton, Oklahoma and active in the NPI registry since January 2024. The organization lists Nestor Zenarosa, Owner, as its authorized official.

NPPES Registry Identity

NPI1174394365
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameIAS OKLAHOMA LLC
Location Address5602 SW LEE BLVDLawton, OK 73505-9635
Mailing AddressPo Box 3140Indianapolis, IN 46206-3140 · (469) 420-5527
Organization SubpartNo
Authorized OfficialNestor ZenarosaOwner · (469) 420-5544
Enumeration DateJanuary 16, 2024
Last NPPES UpdateFebruary 15, 2024
NPPES CertifiedFebruary 15, 2024
✔ NPI 1174394365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
5602 SW LEE BLVD, Lawton, OK 73505

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ias Oklahoma Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

27

Medicare enrollment records show 27 clinicians reassign Medicare billing to Ias Oklahoma LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 6 within 10 miles. Listed here are the 20 practicing nearest to this location.

Nearest to this location (20)

See all 27
Certified Registered Nurse Anesthetist (CRNA)
NPI 1326044603
5602 SW LEE BLVD
Lawton, OK 73505
(580) 531-4727
Same address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1578569844
5602 SW LEE BLVD
Lawton, OK 73505
(580) 531-4727
✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1588656235
5005 SW MALCOM RD
Lawton, OK 73505
(580) 536-4141
✔ Accepts Medicare0.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1891235271
3401 W GORE BLVD
Lawton, OK 73505
(580) 355-8620
✔ Accepts Medicare1.7 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1326035288
5374 NW CACHE RD
Lawton, OK 73505
(580) 699-3939
✔ Accepts Medicare2.0 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1316939960
1003 NW BECONTREE PL
Lawton, OK 73505
(580) 591-1910
✔ Accepts Medicare2.4 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1467656371
1308 HIGHIAND WAY
Duncan, OK 73533
(580) 467-7185
29 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1457681173
1200 E PECAN ST
Altus, OK 73521
(580) 379-5000
✔ Accepts Medicare49 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1588646772
4000 OLD JACKSBORO HWY
Wichita Falls, TX 76302
(940) 500-4048
✔ PECOS✔ Accepts Medicare50 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1699872341
920 STANTON L YOUNG BLVD STE 1140
Oklahoma City, OK 73104
(405) 271-4700
✔ PECOS✔ Accepts Medicare79 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1295088698
5501 N PORTLAND AVE
Oklahoma City, OK 73112
(405) 604-3356
✔ Accepts Medicare81 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1649353533
920 STANTON L YOUNG BLVD STE 1140
Oklahoma City, OK 73104
(405) 271-4351
✔ PECOS✔ Accepts Medicare82 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1952353468
920 STANTON L YOUNG BLVD STE 1140
Oklahoma City, OK 73104
(405) 271-4351
✔ Accepts Medicare82 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1962989327
4085 N BELT LINE RD APT 2004
Irving, TX 75038
(214) 636-8332
✔ Accepts Medicare146 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1043936750
6819 PLUM CREEK DR
Amarillo, TX 79124
(806) 354-6100
✔ Accepts Medicare201 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1316905912
7100 SW 9TH AVE
Amarillo, TX 79106
(806) 355-9595
✔ Accepts Medicare201 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1548215700
1501 S COULTER ST
Amarillo, TX 79106
(806) 354-1000
✔ Accepts Medicare201 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1124582770
100 HILLCREST MEDICAL BLVD
Waco, TX 76712
(254) 202-2000
✔ PECOS✔ Accepts Medicare227 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1396970232
3215 N NORTHHILLS BLVD
Fayetteville, AR 72703
(918) 664-9892
✔ Accepts Medicare264 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1437336815
1125 MADISON ST
Jefferson City, MO 65101
(573) 632-5000
✔ Accepts Medicare444 mi
See all 27 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ias Oklahoma LLC's NPI number?

The NPI number for Ias Oklahoma LLC is 1174394365. It was assigned to this organization in the NPPES registry on January 16, 2024.

Where is Ias Oklahoma LLC located?

Ias Oklahoma LLC is located at 5602 SW Lee Blvd, Lawton, OK 73505. The listed phone number is (469) 420-5544.

What is Ias Oklahoma LLC's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Ias Oklahoma LLC enrolled in Medicare?

Yes. Ias Oklahoma LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ias Oklahoma LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 27 clinicians, all in Certified Registered Nurse Anesthetist (CRNA), reassign their Medicare billing to Ias Oklahoma LLC. A 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 the clinician's services. Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ias Oklahoma LLC was last updated on February 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.