DR. IS-HAQ MALIK MD
NPI 1063998862
Internal Medicine - Endocrinology, Diabetes & Metabolism in Carbondale, IL

Active since July 15, 2018PECOS EnrolledAccepts Medicare Assignment
2601 W MAIN ST, CARBONDALE, IL 62901(618) 549-5361(618) 351-4878 Get Directions Write a Review

NPPES record last updated: July 31, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 20, 2023, Jul 7, 2021, Jul 15, 2018 (3 updates tracked since 2018).

About Dr. Is-haq Malik Md NPPES

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

DR. IS-HAQ MALIK MD (NPI 1063998862) is an individual endocrinology, diabetes & metabolism provider in Carbondale, Illinois, licensed in Illinois (036163256) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1063998862
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. IS-HAQ MALIKCredential: MD
Location Address2601 W MAIN STCarbondale, IL 62901-1031
Mailing AddressPo Box 3988Carbondale, IL 62902-3988 · (618) 457-5200
Fax(618) 351-4878
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 15, 2018
Last NPPES UpdateJuly 31, 20233 updates tracked since enumeration
NPPES CertifiedJuly 31, 2023
✔ NPI 1063998862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in IL · 036163256✔ Licensed in MO · 2021013385
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2021013385 (MO)
2601 W MAIN ST, Carbondale, IL 62901

Accepted 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. Is-haq Malik 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 ID9931502333
PECOS Enrollment IDI20230703000471
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 Is-haq Malik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1239 E MAIN ST
Carbondale, IL 62901
  • Reassigned Medicare billing, Illinois enrollment
  • 702 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare 4

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

Herrin Hospital

Acute Care Hospitals · Herrin, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140011
Location201 S 14th StHerrin, IL 62948 · Williamson County
Emergency services

Memorial Hospital Of Carbondale

Acute Care Hospitals · Carbondale, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140164
Location405 W JacksonCarbondale, IL 62901 · Jackson County
Emergency services Birthing friendly

Harrisburg Medical Center

Acute Care Hospitals · Harrisburg, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140210
Location100 Doctor Warren Tuttle DrHarrisburg, IL 62946 · Saline County
Emergency services

St Joseph Memorial Hospital

Critical Access Hospitals · Murphysboro, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141334
Location2 South Hospital DriveMurphysboro, IL 62966 · Jackson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62901 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

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.

Internal Medicine (Gastroenterology)
2601 W MAIN ST
CARBONDALE, IL 62901
Nurse Practitioner
2601 W MAIN ST
CARBONDALE, IL 62901
Nurse Practitioner
2601 W MAIN ST
CARBONDALE, IL 62901
Clinic/Center (Ambulatory Surgical)
2601 W MAIN ST
CARBONDALE, IL 62901
Clinic/Center (Multi-Specialty)
2601 W MAIN ST
CARBONDALE, IL 62901
Nurse Practitioner
2601 W MAIN ST
CARBONDALE, IL 62901
Nurse Practitioner (Psychiatric/Mental Health)
2601 W MAIN ST
CARBONDALE, IL 62901
Nurse Practitioner (Psychiatric/Mental Health)
2601 W MAIN ST
CARBONDALE, IL 62901

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 Is-haq Malik's NPI number?

The NPI number for Is-haq Malik is 1063998862. It was assigned to this individual provider in the NPPES registry on July 15, 2018.

Where is Is-haq Malik located?

Is-haq Malik practices at 2601 W Main St, Carbondale, IL 62901. The listed phone number is (618) 549-5361.

What is Is-haq Malik's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Is-haq Malik enrolled in Medicare?

Yes. Is-haq Malik 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 Is-haq Malik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Is-haq Malik reassigns Medicare benefits to Southern Illinois Medical Services, Nfp (Carbondale, IL). 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 Is-haq Malik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Is-haq Malik accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Is-haq Malik 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 Is-haq Malik affiliated with any hospitals?

According to CMS data, Is-haq Malik is affiliated with Herrin Hospital, Memorial Hospital Of Carbondale, Harrisburg Medical Center and St Joseph Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Is-haq Malik was last updated on July 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.