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

NPI Status: Active since July 17, 2006

Contact Information

937 HIGHLAND BLVD STE 5410
BOZEMAN, MT
ZIP 59715
Phone: (406) 414-2400

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  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health
  • Accepts Insurance
  • PECOS Enrolled
  • Medicare Quality Reporting

About MARGARET HAMMERSLA

This page provides the complete NPI Profile along with additional information for Margaret Hammersla, a provider established in Bozeman, Montana with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1235157439 assigned on July 2006. The practitioner's primary taxonomy code is 363LA2200X with license number 159783 (MT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1235157439
Provider Name
MS. MARGARET BERNADETTE HAMMERSLA CRNP
Gender
Female
Entity Type
Individual
Location Address
937 HIGHLAND BLVD STE 5410 BOZEMAN, MT 59715
Location Phone
(406) 414-2400
Mailing Address
915 HIGHLAND BLVD BOZEMAN, MT 59715
Mailing Phone
(406) 414-5000
Is Sole Proprietor?
No
Enumeration Date
07-17-2006
Last Update Date
04-09-2025
Code Navigator

A nurse practitioner (NP) like Margaret Hammersla is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Secondary Locations

  • 710 Obrecht Rd
    Sykesville, MD 21784
    (410) 795-8808

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Nurse Practitioner Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
159783
License State
MT

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1363LA2200XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Adult Health

R128313 (MD)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Focus Bronze POS? 205 - POS
  • Blue Focus Bronze POS? 705 - POS
  • Blue Focus Bronze POS? Standard - POS
  • Blue Focus Gold POS? 207 - POS
  • Blue Focus Gold POS? 902 - POS
  • Blue Focus Gold POS? Standard - POS
  • Blue Focus Silver POS? 206 - POS
  • Blue Focus Silver POS? 903 - POS
  • Blue Focus Silver POS? Standard - POS
  • Blue Preferred Bronze PPO? 201 - PPO
  • Blue Preferred Bronze PPO? 202 - PPO
  • Blue Preferred Bronze PPO? Standard - PPO
  • Blue Preferred Gold PPO? 204 - PPO
  • Blue Preferred Gold PPO? 901 - PPO
  • Blue Preferred Gold PPO? Standard - PPO
  • Blue Preferred Security PPO? 200 - PPO
  • Blue Preferred Silver PPO? 203 - PPO
  • Blue Preferred Silver PPO? 308 - PPO
  • Blue Preferred Silver PPO? Standard - PPO
  • Peak PPO Bronze HDHP - PPO
  • Peak PPO Bronze Standard - PPO
  • Peak PPO Catastrophic - PPO
  • Peak PPO Gold - PPO
  • Peak PPO Gold Standard - PPO
  • Peak PPO Silver - PPO
  • Peak PPO Silver Standard - PPO
  • Plus Bronze - PPO
  • Plus Bronze Standard - PPO
  • Plus Gold - PPO
  • Plus Gold Standard - PPO
  • Plus Silver Standard - PPO
  • PEAK PPO BRONZE - PPO
  • PEAK PPO BRONZE HDHP - PPO
  • PEAK PPO GOLD - PPO
  • PEAK PPO GOLD HDHP - PPO
  • PEAK PPO SILVER - PPO
  • PEAK PPO SILVER HDHP - PPO
  • Plus Bronze HDHP - PPO
  • Plus Gold HDHP - PPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Margaret Hammersla is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Oxygen and Supplies (DC000N)

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

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Oxygen and Supplies (DC002N)

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

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient custodial care facility, group care, or assisted living visit, typically 40 minutes

This is a routine visit for established patients residing in care facilities like nursing homes or assisted living. The visit typically lasts about 40 minutes, during which the healthcare provider checks your overall health, discusses any concerns, and adjusts care plans as needed.

This service was performed 48 times for 32 patients

Established patient home visit, typically 40 minutes

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

This service was performed 26 times for 22 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 17 times for 17 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 59715 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $87.97
  • Minimum New Patient Price $56.81
  • Maximum New Patient Price $172.26
  • Average New Patient Copayment $21.99
  • Minimum New Patient Copayment $14.2
  • Maximum New Patient Copayment $43.06

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $100.16
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.32
  • Average Established Patient Copayment $25.04
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.08

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Care Plan 63% 110
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 or provide an advance care plan
Pneumococcal Vaccination Status for Older Adults 61% 74
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
Screening for Osteoporosis for Women Aged 65-85 Years of Age 56% 39
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

Reviews for MS. MARGARET BERNADETTE HAMMERSLA CRNP

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1235157439, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 1 → 2 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 6 + 5 + 2 + 5 + 1 + 4 + 4 + 6 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1235157439.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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
Internal Medicine
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Internal Medicine
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Internal Medicine
937 HIGHLAND BLVD STE 5410
BOZEMAN, MT 59715
Internal Medicine
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
Internal Medicine
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
Internal Medicine
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

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.