Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ASIM S AIJAZ MD
NPI 1164641494
Anesthesiology in Round Rock, TX

Q: What is Asim Aijaz's NPI number?

The NPI number for Asim Aijaz is 1164641494. It was assigned to this individual provider in the NPPES registry on April 25, 2007.

Q: What is Asim Aijaz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Asim Aijaz was last updated on November 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.

Active since April 25, 2007PECOS Enrolled

0/100

CMS Quality Rating

2000 S MAYS ST STE 201, ROUND ROCK, TX 78664(512) 244-4272(512) 244-2895 Get Directions Write a Review

NPPES record last updated: November 6, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 6, 2026, Jun 18, 2025, Apr 12, 2021 and 4 more (7 updates tracked since 2017).

On this page

About Asim S Aijaz Md NPPES

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

ASIM S AIJAZ MD (NPI 1164641494) is an individual anesthesiology provider in Round Rock, Texas, licensed in Texas (M9781) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Round Rock Medical Center, and is a graduate of University Of Arkansas College Of Medicine (2002).

NPPES Registry Identity

NPI1164641494

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameASIM S AIJAZCredential: MD

Location Address2000 S MAYS ST STE 201Round Rock, TX 78664-7580

Mailing Address2000 S Mays St Ste 201Round Rock, TX 78664-7580 · (512) 244-4272 · Fax (512) 244-2895

Phone(512) 244-4272

Fax(512) 244-2895

Sole ProprietorNo

Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2002

Enumeration DateApril 25, 2007

Last NPPES UpdateNovember 6, 20267 updates tracked since enumeration

NPPES CertifiedNovember 6, 2026

✔ NPI 1164641494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in TX · M9781

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.

Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License M9781 (TX)

Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License M9781 (TX)

2000 S MAYS ST STE 201, Round Rock, TX 78664

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Moda Health Plan, Inc. 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

Asim S Aijaz Md 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 ID4486728144

PECOS Enrollment IDI20080730000273

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Asim Aijaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Austin Anesthesiology Group, PLLC

12 mi

Anesthesiology

8140 N MOPAC EXPY STE 3-210
Austin, TX 78759

Reassigned Medicare billing, Texas enrollment
840 clinicians in this Medicare group

NPI 1598724304 (512) 343-2292

Pain Control Of Texas PLLC

25 mi

Interventional Pain Medicine

9010 BRODIE LN STE 200
Austin, TX 78748

Reassigned Medicare billing, Texas enrollment
16 clinicians in this Medicare group

NPI 1093475832 (512) 994-4159

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 15

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

186 services106 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

174 services18 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

90 services21 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

86 services15 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

64 services23 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

54 services44 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

31 services31 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

27 services20 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

19 services12 patients

Testing for presence of drug, read by direct observation 80305

Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.

18 services13 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

15 services12 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

15 services13 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

15 services13 patients

Injection of upper or middle spine facet joint using imaging guidance, single level 64490

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

11 services11 patients

Injection of upper or middle spine facet joint using imaging guidance, second level 64491

This procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Round Rock Medical Center

Acute Care Hospitals · Round Rock, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450718

Location2400 Round Rock AveRound Rock, TX 78681 · Williamson County

Emergency services Birthing friendly

North Austin Medical Center

Acute Care Hospitals · Austin, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450809

Location12221 Mopac Expressway NorthAustin, TX 78758 · Travis County

Emergency services Birthing friendly

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.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Promoting Interoperability

Improvement Activities

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.

SHELBY E WASIL PA-C

Physician Assistant