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MR. MARK SERRA DO
NPI 1225229347
Emergency Medicine in Libby, MT

Active since August 05, 2007PECOS Enrolled
89.75/100
CMS Quality Rating
350 LOUISIANA AVENUE, LIBBY, MT 59923(406) 283-7000(406) 293-7931 Get Directions Write a Review

NPPES record last updated: October 9, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Mark Serra Do NPPES

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

MR. MARK SERRA DO (NPI 1225229347) is an individual emergency medicine provider in Libby, Montana, licensed in Montana (MED-PHYS-LIC-12100) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225229347
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMR. MARK SERRACredential: DO
Location Address350 LOUISIANA AVENUELibby, MT 59923
Mailing Address350 Louisiana AvenueLibby, MT 59923 · (406) 283-7000 · Fax (406) 293-7931
Phone(406) 283-7000
Fax(406) 293-7931
Sole ProprietorNo
Enumeration DateAugust 5, 2007
Last NPPES UpdateOctober 9, 2013
✔ NPI 1225229347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MT · MED-PHYS-LIC-12100
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License L1169747 (MI)
350 LOUISIANA AVENUE, Libby, MT 59923
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Mark Serra Do 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 Mark Serra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. John's Lutheran Hospital, Inc.
0.1 mi
Critical Access
209 HEALTH PARK DR
Libby, MT 59923
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: St Johns Lutheran Hospital Inc
  • 67 clinicians in this Medicare group
NPI 1952312050 (406) 283-7000

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 59923 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.

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.

89.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.04
Promoting Interoperability94
Improvement Activities40

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 Mark Serra's NPI number?

The NPI number for Mark Serra is 1225229347. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Where is Mark Serra located?

Mark Serra practices at 350 Louisiana Avenue, Libby, MT 59923. The listed phone number is (406) 283-7000.

What is Mark Serra's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mark Serra enrolled in Medicare?

Yes. Mark Serra is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Serra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Serra reassigns Medicare benefits to St. John's Lutheran Hospital, Inc. (Libby, 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 Mark Serra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Serra accept?

Health plans from Blue Cross and Blue Shield of Montana list Mark Serra 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 Mark Serra was last updated on October 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.