1. Home
  2. Directory
  3. Montana
  4. Great Falls
  5. Pediatrics
  6. NPI Profile

MARWAN BAKHACH M.D
NPI 1912347691
Pediatrics - Pediatric Endocrinology in Great Falls, MT

Active since June 26, 2013PECOS Enrolled
1101 26TH ST S, GREAT FALLS, MT 59405(406) 455-5000(406) 731-8318 Get Directions Write a Review

NPPES record last updated: September 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2021, Mar 26, 2021, Jul 11, 2019 and 1 more (4 updates tracked since 2019).

About Marwan Bakhach M.d NPPES

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

MARWAN BAKHACH M.D (NPI 1912347691) is an individual pediatric endocrinology provider in Great Falls, Montana, licensed in Montana (69041) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912347691
Entity TypeIndividualMale
Primary Taxonomy2080P0205X
Provider Legal NameMARWAN BAKHACHCredential: M.D
Location Address1101 26TH ST SGreat Falls, MT 59405-5161
Mailing Address1101 26th St SGreat Falls, MT 59405-5161 · (406) 455-5000 · Fax (406) 731-8318
Phone(406) 455-5000
Fax(406) 731-8318
Sole ProprietorYes
Enumeration DateJune 26, 2013
Last NPPES UpdateSeptember 26, 20234 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2021
✔ NPI 1912347691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in MT · 69041
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
1101 26TH ST S, Great Falls, MT 59405
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marwan Bakhach M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Marwan Bakhach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
955 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59405 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
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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.

OMER USMAN MD
Hospitalist
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 455-5000
EDMUND J BRENNAN MD
Internal Medicine (Clinical Cardiac Electrophysiology)
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 731-8888
MRS. DELENE R LYNES OTA
Occupational Therapy Assistant
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 455-5412
SHELBY ELIZABETH DUFOUR PHARMD
Pharmacist
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 771-6300
DANIEL KNUFFKE
Occupational Therapist
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 781-1305
KRISTIN HUNTOON D.O, PHD
Neurological Surgery
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 455-5000
PATRICK HUGH SMITH FNP-BC
Nurse Practitioner (Family)
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 455-5000
DR. SAMANTHA ANNE BASCO PHARMD
Pharmacist
1101 26TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 455-5430

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 Marwan Bakhach's NPI number?

The NPI number for Marwan Bakhach is 1912347691. It was assigned to this individual provider in the NPPES registry on June 26, 2013.

Where is Marwan Bakhach located?

Marwan Bakhach practices at 1101 26th St S, Great Falls, MT 59405. The listed phone number is (406) 455-5000.

What is Marwan Bakhach's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Marwan Bakhach enrolled in Medicare?

Yes. Marwan Bakhach is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marwan Bakhach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marwan Bakhach reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, CA). 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 Marwan Bakhach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marwan Bakhach was last updated on September 26, 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.