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BISHOY M BARSOUM MD
NPI 1659908986
Internal Medicine in Merrillville, IN

Active since March 25, 2020PECOS EnrolledAccepts Medicare Assignment
8555 TAFT ST, MERRILLVILLE, IN 46410(219) 769-4005 Get Directions Write a Review

NPPES record last updated: August 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 6, 2024, Oct 5, 2023, Mar 25, 2020 (3 updates tracked since 2020).

About Bishoy M Barsoum Md NPPES

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

BISHOY M BARSOUM MD (NPI 1659908986) is an individual internal medicine provider in Merrillville, Indiana, licensed in Indiana (01090823A) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with St Catherine Hospital Inc, and maintains a secondary practice location in Newark.

NPPES Registry Identity

NPI1659908986
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBISHOY M BARSOUMCredential: MD
Location Address8555 TAFT STMerrillville, IN 46410-6123
Mailing Address687 1/2 Chestnut StKearny, NJ 07032-3014 · (973) 961-1051
Phone(219) 769-4005
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 25, 2020
Last NPPES UpdateAugust 30, 20243 updates tracked since enumeration
NPPES CertifiedAugust 30, 2024
✔ NPI 1659908986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01090823A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8555 TAFT ST, Merrillville, IN 46410
Open in Google Maps ↗

Secondary Practice Location 1

Location 1201 Lyons AveNewark, NJ 07112-2027 · Phone (973) 926-7425

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.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

Bishoy M Barsoum 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 ID4880058312
PECOS Enrollment IDI20230915002137
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

3

Medicare enrollment records show Bishoy Barsoum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southlake Community Mental Health Center, Inc
Same address
Rehabilitation, Substance Use Disorder
8555 TAFT ST
Merrillville, IN 46410
  • Reassigned Medicare billing, Indiana enrollment
  • 25 clinicians in this Medicare group
NPI 1366942518 (219) 769-4500
Galen Inpatient Physicians PC
9.6 mi
Hospitalist
901 MACARTHUR BLVD
Munster, IN 46321
  • Reassigned Medicare billing, Indiana enrollment
  • 228 clinicians in this Medicare group
NPI 1275252090 (219) 836-1600
Theoria Medical
213 mi
Internal Medicine
41800 W 11 MILE RD STE 109
Novi, MI 48375
  • Reassigned Medicare billing, Indiana enrollment
  • 90 clinicians in this Medicare group
NPI 1609362375 (248) 860-4634

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 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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
507 services202 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
209 services202 patients
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.
141 services73 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
128 services120 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
108 services106 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
106 services58 patients

Hospital Affiliations CMS Care Compare 3

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

St Catherine Hospital Inc

Acute Care Hospitals · East Chicago, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150008
Location4321 Fir StreetEast Chicago, IN 46312 · 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

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.

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.

MARY SULLIVAN BLS
Counselor (Mental Health)
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 769-4005
MONIKA MARIE SEGALLY
Counselor
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 769-4005
MELISSA SANCHEZ BA
Counselor
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 769-4005
ABEL MARTINEZ BA
Counselor
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 769-4005
SHIRLEY H RAINFORD BA
Counselor
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 769-4005
MS. CHRISTINE M JUDA
Registered Nurse
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 937-3300
CRYSTAL KOMACSAR LCAC
Counselor (Addiction (Substance Use Disorder))
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (219) 769-4005
BREYAUNA SPENCER
Psychiatry & Neurology (Psychiatry)
8555 TAFT ST
MERRILLVILLE, IN 46410
Lake County (313) 346-5235

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 Bishoy Barsoum's NPI number?

The NPI number for Bishoy Barsoum is 1659908986. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Bishoy Barsoum located?

Bishoy Barsoum practices at 8555 Taft St, Merrillville, IN 46410. The listed phone number is (219) 769-4005.

What is Bishoy Barsoum's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Bishoy Barsoum enrolled in Medicare?

Yes. Bishoy Barsoum 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 Bishoy Barsoum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bishoy Barsoum reassigns Medicare benefits to 3 organizations: Southlake Community Mental Health Center, Inc (Merrillville, IN), Galen Inpatient Physicians PC (Munster, IN) and Theoria Medical (Novi, MI). 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 Bishoy Barsoum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bishoy Barsoum accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Bishoy Barsoum 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 Bishoy Barsoum affiliated with any hospitals?

According to CMS data, Bishoy Barsoum is affiliated with St Catherine Hospital Inc, St Mary Medical Center Inc and Community Hospital.

When was this NPI record last updated?

The NPPES record for Bishoy Barsoum was last updated on August 30, 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.