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MARGARET ELIZABETH ARZAGA FNP
NPI 1700777679
Nurse Practitioner - Family in Billings, MT

Active since July 10, 2025PECOS Enrolled
1233 N 30TH ST, BILLINGS, MT 59101(406) 657-7000 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Margaret Elizabeth Arzaga Fnp NPPES

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

MARGARET ELIZABETH ARZAGA FNP (NPI 1700777679) is an individual family provider in Billings, Montana, licensed in Wyoming (47698) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1700777679
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARGARET ELIZABETH ARZAGACredential: FNP
Location Address1233 N 30TH STBillings, MT 59101-0127
Mailing Address580 Avenue APowell, WY 82435-2502 · (307) 272-3511
Phone(406) 657-7000
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJuly 10, 2025
NPPES CertifiedJuly 10, 2025
✔ NPI 1700777679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WY · 47698
1233 N 30TH ST, Billings, MT 59101
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Elizabeth Arzaga Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173029071
PECOS Enrollment IDI20250930003057
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 Margaret Arzaga reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Scl Health Medical Group - Billings LLC
Same address
Clinic/Center
1233 N 30TH ST
Billings, MT 59101
  • Reassigned Medicare billing, Montana enrollment
  • 438 clinicians in this Medicare group
NPI 1508289703 (406) 237-7700

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 59101 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
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.

REBEKAH LEE BRADY
Nurse Practitioner (Family)
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (435) 851-9636
BLACKSHEAR MORRISON BRYAN MD
Physical Medicine & Rehabilitation
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 237-7125
JAMES FREDERICK RICHARDS MD
Psychiatry & Neurology (Neurology)
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 237-3850
JEFFREY CARROLL MD
Pediatrics (Neonatal-Perinatal Medicine)
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 237-7076
DR. DEBRA JONES M.D.
Anesthesiology
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 254-0707
SCL HEALTH MONTANA
Clinic/Center
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 237-7250
SARA L PALMQUIST
Pharmacist
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 237-8107
DR. CORY PICKENS MD
Anesthesiology
1233 N 30TH ST
BILLINGS, MT 59101
Yellowstone County (406) 254-0707

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 Margaret Arzaga's NPI number?

The NPI number for Margaret Arzaga is 1700777679. It was assigned to this individual provider in the NPPES registry on July 10, 2025.

Where is Margaret Arzaga located?

Margaret Arzaga practices at 1233 N 30th St, Billings, MT 59101. The listed phone number is (406) 657-7000.

What is Margaret Arzaga's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Margaret Arzaga enrolled in Medicare?

Yes. Margaret Arzaga is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margaret Arzaga's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Arzaga reassigns Medicare benefits to Scl Health Medical Group - Billings LLC (Billings, MT). 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 Margaret Arzaga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Arzaga accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Margaret Arzaga 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.

When was this NPI record last updated?

The NPPES record for Margaret Arzaga was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.