MS. MARGARET BERNADETTE HAMMERSLA CRNP
NPI 1235157439
Nurse Practitioner - Adult Health in Bozeman, MT

Q: What is Margaret Hammersla's NPI number?

The NPI number for Margaret Hammersla is 1235157439. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Margaret Hammersla's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment

937 HIGHLAND BLVD STE 5410, BOZEMAN, MT 59715(406) 414-2400 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2025, Aug 5, 2021 (2 updates tracked since 2021).

On this page

About Ms. Margaret Bernadette Hammersla Crnp NPPES

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

MS. MARGARET BERNADETTE HAMMERSLA CRNP (NPI 1235157439) is an individual adult health provider in Bozeman, Montana, licensed in Montana (159783) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sykesville, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1235157439

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMS. MARGARET BERNADETTE HAMMERSLACredential: CRNP

Location Address937 HIGHLAND BLVD STE 5410Bozeman, MT 59715-6916

Mailing Address915 Highland BlvdBozeman, MT 59715-6902 · (406) 414-5000

Phone(406) 414-2400

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateJuly 17, 2006

Last NPPES UpdateApril 9, 20252 updates tracked since enumeration

NPPES CertifiedApril 9, 2025

✔ NPI 1235157439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

Licenses✔ Licensed in MT · 159783✔ Licensed in MD · R128313

937 HIGHLAND BLVD STE 5410, Bozeman, MT 59715

Open in Google Maps ↗

Secondary Practice Location 1

Location 1710 Obrecht RdSykesville, MD 21784-7650 · Phone (410) 795-8808 ext. 116

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, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Margaret Bernadette Hammersla Crnp 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 ID7911907712

PECOS Enrollment IDI20200714003747

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59715 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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

63%110 patients3/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

61%74 patients3/55-star benchmark: 100%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis

56%39 patients3/55-star benchmark: 98%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$19.50 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$105.67 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 20

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

DR. PAMELA HIEBERT MD

Internal Medicine