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

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: July 19, 2026.

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

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
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

Secondary Practice Location 1

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

Accepted 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.

Pharmacist (Ambulatory Care)
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Pharmacist
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Social Worker (Clinical)
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Internal Medicine
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Nurse Practitioner
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Nurse Practitioner (Family)
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Internal Medicine
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Psychiatry & Neurology (Geriatric Psychiatry)
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235157439, enumerated as an "individual" on July 17, 2006.

The provider is located at 937 HIGHLAND BLVD STE 5410 BOZEMAN, MT 59715 and the phone number is (406) 414-2400.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Mountain. Please consult your insurance carrier or call the provider to verify.