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KATHERINE I HERCZEG APRN
NPI 1467608141
Nurse Practitioner - Primary Care in Bozeman, MT

Active since August 13, 2008PECOS Enrolled
2950 S 21ST AVE APT 106, BOZEMAN, MT 59718(706) 957-2633 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 6, 2022, Aug 15, 2022, Aug 1, 2022 (3 updates tracked since 2022).

About Katherine I Herczeg Aprn NPPES

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

KATHERINE I HERCZEG APRN (NPI 1467608141) is an individual primary care provider in Bozeman, Montana, licensed in Montana (103381) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467608141
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameKATHERINE I HERCZEGCredential: APRN
Location Address2950 S 21ST AVE APT 106Bozeman, MT 59718-5042
Mailing Address2950 S 21st Ave Apt 106Bozeman, MT 59718-5042 · (706) 957-2633
Phone(706) 957-2633
Sole ProprietorYes
Enumeration DateAugust 13, 2008
Last NPPES UpdateJuly 25, 20253 updates tracked since enumeration
NPPES CertifiedJuly 25, 2025
✔ NPI 1467608141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in MT · 103381
2950 S 21ST AVE APT 106, Bozeman, MT 59718
Open in Google Maps ↗

Other Names 1

Other Name (5)Katherine I Herczeg Aprn

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.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine I Herczeg Aprn 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 Reassignments

2

Medicare enrollment records show Katherine Herczeg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Serenity Health PLLC
Same address
Primary Care
2950 S 21ST AVE APT 106
Bozeman, MT 59718
  • Reassigned Medicare billing, Montana enrollment
NPI 1659005759 (706) 957-2633
Marcus Daly Memorial Hospital Corporation
153 mi
Rural Health
820 N MAIN ST
Darby, MT 59829
  • Reassigned Medicare billing, Montana enrollment
  • 154 clinicians in this Medicare group
NPI 1396191276 (406) 375-4142

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.

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.
146 services79 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
69 services69 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services37 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.
47 services39 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
27 services16 patients
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438
An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59718 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.

Referred Medical Equipment & Supplies CMS DME claims 12

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
2 suppliers44 claims44 services$43.16 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
2 suppliers18 claims18 services$108.42 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers26 claims36 services$39.74 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
2 suppliers23 claims95 services$21.59 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
2 suppliers21 claims60 services$18.97 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
2 suppliers26 claims26 services$67.97 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

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

SERENITY HEALTH PLLC
Clinic/Center (Primary Care)
2950 S 21ST AVE APT 106
BOZEMAN, MT 59718
Gallatin County (706) 957-2633

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 Katherine Herczeg's NPI number?

The NPI number for Katherine Herczeg is 1467608141. It was assigned to this individual provider in the NPPES registry on August 13, 2008. The provider is also known as Katherine I Herczeg Aprn.

Where is Katherine Herczeg located?

Katherine Herczeg practices at 2950 S 21st Ave Apt 106, Bozeman, MT 59718. The listed phone number is (706) 957-2633.

What is Katherine Herczeg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Katherine Herczeg enrolled in Medicare?

Yes. Katherine Herczeg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katherine Herczeg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Herczeg reassigns Medicare benefits to 2 organizations: Serenity Health PLLC (Bozeman, MT) and Marcus Daly Memorial Hospital Corporation (Darby, MT). 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 Katherine Herczeg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Herczeg accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Katherine Herczeg 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 Katherine Herczeg was last updated on July 25, 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.