DR. MAHMOOD GHIYATH ALNAHASS MD
NPI 1497756720
Psychiatry & Neurology - Neurology in Valparaiso, IN

Active since August 09, 2005PECOS EnrolledAccepts Medicare Assignment
92.14/100
CMS Quality Rating
1551 STURDY RD, VALPARAISO, IN 46383(219) 531-6571(219) 462-0765 Get Directions Write a Review

NPPES record last updated: July 5, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 15, 2026, Dec 1, 2025, Jan 3, 2024 and 1 more (4 updates tracked since 2022).

About Dr. Mahmood Ghiyath Alnahass Md NPPES

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

DR. MAHMOOD GHIYATH ALNAHASS MD (NPI 1497756720) is an individual neurology provider in Valparaiso, Indiana, licensed in Indiana (01055878A) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and maintains a secondary practice location in Munster.

NPPES Registry Identity

NPI1497756720
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MAHMOOD GHIYATH ALNAHASSCredential: MD
Location Address1551 STURDY RDValparaiso, IN 46383-7883
Mailing Address206 Glencoe DrValparaiso, IN 46385-7760 · (219) 477-4273
Fax(219) 462-0765
Sole ProprietorYes
Medical School CMSOtherGraduated 1989
Enumeration DateAugust 9, 2005
Last NPPES UpdateJuly 5, 20224 updates tracked since enumeration
NPPES CertifiedJuly 5, 2022
NPI 1497756720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in IN · 01055878A
Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License 01055878A (IN)
1551 STURDY RD, Valparaiso, IN 46383

Secondary Practice Location 1

Location 1759 45th St Ste 104Munster, IN 46321-2939 · Phone (219) 836-3301 · Fax (219) 836-7523

Other Identifiers 1

Medicaid200415900AIN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted 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. Mahmood Ghiyath Alnahass 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 ID3476538604
PECOS Enrollment IDI20040622001002
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.

Areas of Expertise CMS Part B claims 7

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.
826 services412 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.
374 services262 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.
128 services128 patients
Measurement of brain wave activity (eeg), awake and drowsy 95816
Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.
54 services54 patients
Measurement of brain wave activity (eeg), awake and asleep 95819
The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.
37 services37 patients
Needle measurement of electrical activity in arm or leg muscles, limited study 95885
This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.
36 services19 patients

Hospital Affiliations CMS Care Compare 5

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

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte 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

Northwest Health - Porter

Acute Care Hospitals · Valparaiso, IN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number150035
Location85 East Us Hwy 6Valparaiso, IN 46383 · Porter County
Emergency services Birthing friendly

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150090
Location24 Joliet StDyer, IN 46311 · 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46383 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.

92.14/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality80.04
Improvement Activities40

Reported Quality Measures

Adult Major Depressive Disorder (MDD): Suicide Risk Assessment
0%31 patients
Closing the Referral Loop: Receipt of Specialist Report
21%514 patients1/55-star benchmark: 87%
Dementia: Cognitive Assessment
0%72 patients
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
99%75 patients1/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%4,624 patients4/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
0%2,161 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
38%4,543 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 38% · 1,510 patients
Patients screened: 38% · 1,510 patients
99%78 patients4/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
89%298 patients4/55-star benchmark: 91%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 17

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
6 suppliers142 claims142 services$34.43 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
8 suppliers146 claims146 services$74.98 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
7 suppliers145 claims327 services$28.04 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers37 claims196 services$16.16 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
4 suppliers26 claims134 services$12.63 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
6 suppliers64 claims64 services$46.70 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 11

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

Psychiatry & Neurology (Neurology)
1551 STURDY RD
VALPARAISO, IN 46383
Pharmacy (Community/Retail Pharmacy)
1551 STURDY RD
VALPARAISO, IN 46383
Family Medicine
1551 STURDY RD
VALPARAISO, IN 46383
Psychiatry & Neurology (Neurology)
1551 STURDY RD
VALPARAISO, IN 46383
Pharmacist
1551 STURDY RD
VALPARAISO, IN 46383
Pharmacy (Long Term Care Pharmacy)
1551 STURDY RD
VALPARAISO, IN 46383
Obstetrics & Gynecology
1551 STURDY RD
VALPARAISO, IN 46383
Internal Medicine (Nephrology)
1551 STURDY RD
VALPARAISO, IN 46383

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 Mahmood Alnahass's NPI number?

The NPI number for Mahmood Alnahass is 1497756720. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Mahmood Alnahass located?

Mahmood Alnahass practices at 1551 Sturdy Rd, Valparaiso, IN 46383. The listed phone number is (219) 531-6571.

What is Mahmood Alnahass's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mahmood Alnahass enrolled in Medicare?

Yes. Mahmood Alnahass 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.

What insurance does Mahmood Alnahass accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Mahmood Alnahass 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 Mahmood Alnahass affiliated with any hospitals?

According to CMS data, Mahmood Alnahass is affiliated with Franciscan Health Michigan City, St Mary Medical Center Inc, Northwest Health - Porter, Franciscan Health Dyer and Franciscan Health Crown Point.

When was this NPI record last updated?

The NPPES record for Mahmood Alnahass was last updated on July 5, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.