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DR. NIHAD MUHREZ MD
NPI 1528098506
Internal Medicine - Endocrinology, Diabetes & Metabolism in Merrillville, IN

Active since July 04, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 15D0974139 · Waiver
15.01/100
CMS Quality Rating
270 E 90TH DR STE B, MERRILLVILLE, IN 46410(219) 736-1758(219) 736-1717 Get Directions Write a Review

NPPES record last updated: April 2, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nihad Muhrez Md NPPES

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

DR. NIHAD MUHREZ MD (NPI 1528098506) is an individual endocrinology, diabetes & metabolism provider in Merrillville, Indiana, licensed in Indiana (01045632) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through May 29, 2028, and is affiliated with Methodist Hospitals Inc.

NPPES Registry Identity

NPI1528098506
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. NIHAD MUHREZCredential: MD
Location Address270 E 90TH DR STE BMerrillville, IN 46410-8102
Mailing Address270 E 90th Dr Ste BMerrillville, IN 46410-8102 · (219) 736-1758 · Fax (219) 736-1717
Phone(219) 736-1758
Fax(219) 736-1717
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateJuly 4, 2006
Last NPPES UpdateApril 2, 2014
✔ NPI 1528098506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in IN · 01045632
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.
270 E 90TH DR STE B, Merrillville, IN 46410
Open in Google Maps ↗

Other Identifiers 3

Medicare PIN144270IN
Medicare UPING82176IN
Medicaid200255900AIN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nihad Muhrez 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 ID3072419126
PECOS Enrollment IDI20031209000989
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 15D0974139

Nihad Muhrez MD · Merrillville, IN
Active · expires May 29, 2028
CLIA Number15D0974139
Laboratory TypePhysician Office
Certificate Effective DateMay 30, 2026
Certificate Expiration DateMay 29, 2028
Laboratory DirectorNihad Muhrez
Laboratory Phone(219) 736-1758
Laboratory LocationNihad Muhrez MD270 E 90th Dr, Ste B, Merrillville, IN 46410
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 6

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.
842 services341 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
705 services252 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
592 services231 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
101 services48 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
47 services22 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
37 services37 patients

Hospital Affiliations CMS Care Compare 5

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

Methodist Hospitals Inc

Acute Care Hospitals · Gary, IN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150002
Location600 Grant StGary, IN 46402 · Lake County
Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150034
Location1500 S Lake Park AveHobart, IN 46342 · Lake County
Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Franciscan Health Crown Point

Acute Care Hospitals · Crown Point, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150126
Location12750 Saint Francis DriveCrown Point, IN 46307 · Lake County
Emergency services Birthing friendly

Franciscan Health Rensselaer, Inc

Critical Access Hospitals · Rensselaer, IN
OwnershipVoluntary non-profit - Private
CMS Certification Number151324
Location1104 E Grace StRensselaer, IN 47978 · Jasper County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

15.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost50.04

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers40 claims504 services$17.15 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers35 claims1,080 services$2.08 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
56 suppliers285 claims1,180 services$6.31 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
5 suppliers17 claims17 services$2.59 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
37 suppliers101 claims193 services$1.06 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers11 claims11 services$303.90 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NORTHWEST ENDOCRINOLOGY & DIABETES PC
Specialist
270 E 90TH DR STE B
MERRILLVILLE, IN 46410
Lake County (219) 736-1758
MRS. CHRISTINE ANN JENSEN R.D., C.D.E.
Dietitian, Registered
270 E 90TH DR STE B
MERRILLVILLE, IN 46410
Lake County (219) 736-1758

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 Nihad Muhrez's NPI number?

The NPI number for Nihad Muhrez is 1528098506. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Nihad Muhrez located?

Nihad Muhrez practices at 270 E 90th Dr Ste B, Merrillville, IN 46410. The listed phone number is (219) 736-1758.

What is Nihad Muhrez's specialty?

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

Is Nihad Muhrez enrolled in Medicare?

Yes. Nihad Muhrez 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.

Does Nihad Muhrez hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 15D0974139) is associated with this NPI, valid through May 29, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Nihad Muhrez accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Nihad Muhrez 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 Nihad Muhrez affiliated with any hospitals?

According to CMS data, Nihad Muhrez is affiliated with Methodist Hospitals Inc, St Mary Medical Center Inc, Community Hospital, Franciscan Health Crown Point and Franciscan Health Rensselaer, Inc.

When was this NPI record last updated?

The NPPES record for Nihad Muhrez was last updated on April 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.