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MUHAMMAD WASEEM ATHAR
NPI 1386270189
Anesthesiology in Little Rock, AR

Active since March 13, 2020PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST # 783, LITTLE ROCK, AR 72205(501) 686-8000 Get Directions Write a Review

NPPES record last updated: August 6, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2020, Mar 13, 2020 (2 updates tracked since 2020).

About Muhammad Waseem Athar NPPES

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

MUHAMMAD WASEEM ATHAR (NPI 1386270189) is an individual anesthesiology provider in Little Rock, Arkansas, licensed in Arkansas (E-12871) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Little Rock, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1386270189
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMUHAMMAD WASEEM ATHAR
Location Address4301 W MARKHAM ST # 783Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000
Phone(501) 686-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMarch 13, 2020
Last NPPES UpdateAugust 6, 20202 updates tracked since enumeration
NPPES CertifiedAugust 6, 2020
✔ NPI 1386270189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AR · E-12871
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.
4301 W MARKHAM ST # 783, Little Rock, AR 72205
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Secondary Practice Location 1

Location 14301 W Markham StLittle Rock, AR 72205-7101 · Phone (501) 686-6114

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

Muhammad Waseem Athar 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 ID2264858810
PECOS Enrollment IDI20200813002363
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 Reassignment

Medicare enrollment records show Muhammad Waseem Athar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Arkansas For Medical Sciences
Same address
General Practice
4301 W MARKHAM ST # 528
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • Also billed through NPI 1043372220 (Arkansas)
  • 1,246 clinicians in this Medicare group
NPI 1326341488 (501) 614-2006

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

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 bone marrow aspiration and/or biopsy at pelvic bone 01112
Anesthesia for a bone marrow aspiration or biopsy at the pelvic bone is a service where medication is administered to numb the area. This helps to block pain during the procedure. It's typically done by injecting the anesthetic into the skin and tissue around the pelvic bone.
19 services19 patients

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.

ANNA JANE SCHLESSELMAN OD
Optometrist
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
JACQUELINE JULIET PONDER
Social Worker
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
RACHEL SLOAN APRN FNP-C
Nurse Practitioner (Family)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
GAURAV DHAR MD
Internal Medicine (Interventional Cardiology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
JOHN M ARTHUR MD
Internal Medicine (Nephrology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
NESLIHAN CETIN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
DR. CHRISTOPHER BRENT LAWLIS M.D.
Psychiatry & Neurology (Psychiatry)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
MARY DEVINE CNM
Advanced Practice Midwife
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000

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 Muhammad Waseem Athar's NPI number?

The NPI number for Muhammad Waseem Athar is 1386270189. It was assigned to this individual provider in the NPPES registry on March 13, 2020.

Where is Muhammad Waseem Athar located?

Muhammad Waseem Athar practices at 4301 W Markham St # 783, Little Rock, AR 72205. The listed phone number is (501) 686-8000.

What is Muhammad Waseem Athar's specialty?

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

Is Muhammad Waseem Athar enrolled in Medicare?

Yes. Muhammad Waseem Athar 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 organization bills Medicare for Muhammad Waseem Athar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Waseem Athar reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). The 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 Muhammad Waseem Athar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Muhammad Waseem Athar was last updated on August 6, 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.