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DR. ARUN PILLAI M.D.
NPI 1336107994
Internal Medicine - Gastroenterology in Glendale, AZ

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment
81.93/100
CMS Quality Rating
5620 W THUNDERBIRD RD, GLENDALE, AZ 85306(602) 795-7256(602) 795-7257 Get Directions Write a Review

NPPES record last updated: April 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 1, 2024, Feb 5, 2020, Nov 9, 2017 (3 updates tracked since 2017).

About Dr. Arun Pillai M.d. NPPES

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

DR. ARUN PILLAI M.D. (NPI 1336107994) is an individual gastroenterology provider in Glendale, Arizona, licensed in New Mexico (MD2009-0653) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Atrium Health Lincoln, and maintains a secondary practice location in Mchenry.

NPPES Registry Identity

NPI1336107994
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ARUN PILLAICredential: M.D.
Location Address5620 W THUNDERBIRD RDGlendale, AZ 85306-4636
Mailing Address20430 N 19th Ave Ste B-150Phoenix, AZ 85027-3588 · (480) 822-0225
Phone(602) 795-7256
Fax(602) 795-7257
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateMay 3, 2006
Last NPPES UpdateApril 1, 20243 updates tracked since enumeration
NPPES CertifiedApril 1, 2024
✔ NPI 1336107994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in NM · MD2009-0653✔ Licensed in IL · 036169261
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD2009-0653 (NM)
5620 W THUNDERBIRD RD, Glendale, AZ 85306
Open in Google Maps ↗

Secondary Practice Location 1

Location 14309 W Medical Center Dr Ste B301McHenry, IL 60050-8439 · Phone (847) 535-6083 · Fax (847) 234-4336

Other Identifiers 1

Other1336107994OH · Npi

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc., Oscar Health Plan, Inc..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

Dr. Arun Pillai M.d. 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 ID9133172042
PECOS Enrollment IDI20080822000468, I20141118002698
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

6

Medicare enrollment records show Arun Pillai reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner Physician Specialists Arizona LLC
11 mi
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 538 clinicians in this Medicare group
NPI 1033730429 (602) 747-4000
Banner Hospital Based Physicians Arizona LLC
31 mi
Multi-Specialty
1900 N HIGLEY RD
Gilbert, AZ 85234
  • Reassigned Medicare billing, Arizona enrollment
  • 1,081 clinicians in this Medicare group
NPI 1124374822 (480) 543-2034
Ut Methodist Physicians LLC
1,268 mi
Internal Medicine
1325 EASTMORELAND AVE STE 310
Memphis, TN 38104
  • Reassigned Medicare billing, Tennessee enrollment
  • 170 clinicians in this Medicare group
NPI 1427317908 (901) 758-7970
Atrium Health Specialty Network Inc
1,785 mi
Dermatology
10650 PARK RD
Charlotte, NC 28210
  • Reassigned Medicare billing, North Carolina enrollment
  • 300 clinicians in this Medicare group
NPI 1538975636 (704) 667-0340
Bayhealth Medical Center, Inc
2,065 mi
Surgery
724 S NEW ST
Dover, DE 19904
  • Reassigned Medicare billing, Delaware enrollment
  • 272 clinicians in this Medicare group
NPI 1407615388 (302) 674-4070
Straub Clinic & Hospital
2,905 mi
Multi-Specialty
888 S KING ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 664 clinicians in this Medicare group
NPI 1457306508 (808) 522-4000

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
44 services22 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
40 services39 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
22 services22 patients

Hospital Affiliations CMS Care Compare

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

Atrium Health Lincoln

Acute Care Hospitals · Lincolnton, NC
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340145
Location433 Mcalister RdLincolnton, NC 28092 · Lincoln County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85306 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
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.

81.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.57
Promoting Interoperability100
Improvement Activities40
Cost60.2

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.

MOHANAD ZNBAQA PHARMD
Pharmacist (Ambulatory Care)
5620 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 609-2061
KAREN PATRICIA GONSALVES-WETHERELL MD
General Practice
5620 W THUNDERBIRD RD, F1
GLENDALE, AZ 85306
Maricopa County (602) 938-6960
ARIZONA PRIMARY CARE PHYSICIANS, LLC
Family Medicine
5620 W THUNDERBIRD RD, SUITE F-1
GLENDALE, AZ 85306
Maricopa County (623) 215-9432
ARIZONA PHYSICIAN SPECIALISTS PC
Specialist
5620 W THUNDERBIRD RD, STE B-3
GLENDALE, AZ 85306
Maricopa County (602) 795-7256
JAMES CARPENTER MD
Internal Medicine
5620 W THUNDERBIRD RD, C1
GLENDALE, AZ 85306
Maricopa County (602) 938-6960
EVELYN HEIGH-ROSEN D.P.M.
Podiatrist
5620 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 938-6960
ROGER J. HUCEK, M.D., INC.
Specialist
5620 W THUNDERBIRD RD, SUITE E-1
GLENDALE, AZ 85306
Maricopa County (602) 547-1623
DR. BRIAN A MACH OD
Optometrist
5620 W THUNDERBIRD RD, #H-3
GLENDALE, AZ 85306
Maricopa County (602) 424-0866

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 Arun Pillai's NPI number?

The NPI number for Arun Pillai is 1336107994. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Arun Pillai located?

Arun Pillai practices at 5620 W Thunderbird Rd, Glendale, AZ 85306. The listed phone number is (602) 795-7256.

What is Arun Pillai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Arun Pillai enrolled in Medicare?

Yes. Arun Pillai 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 Arun Pillai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arun Pillai reassigns Medicare benefits to 6 organizations: Banner Physician Specialists Arizona LLC (Phoenix, AZ), Banner Hospital Based Physicians Arizona LLC (Gilbert, AZ), Ut Methodist Physicians LLC (Memphis, TN), Atrium Health Specialty Network Inc (Charlotte, NC), Bayhealth Medical Center, Inc (Dover, DE) and 1 more organization, 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 Arun Pillai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Arun Pillai accept?

Health plans from Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Arun Pillai 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.

Is Arun Pillai affiliated with any hospitals?

According to CMS data, Arun Pillai is affiliated with Atrium Health Lincoln.

When was this NPI record last updated?

The NPPES record for Arun Pillai was last updated on April 1, 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.