MARGARET ELIZABETH ARZAGA FNP
NPI 1700777679
Nurse Practitioner - Family in Billings, MT
NPI Status: Active since July 10, 2025
- Individual
- Female
- Nurse Practitioner
- Family
About MARGARET ARZAGA
This page provides the complete NPI Profile along with additional information for Margaret Arzaga, a provider established in Billings, Montana with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1700777679 assigned on July 2025. The practitioner's primary taxonomy code is 363LF0000X with license number 47698 (WY). The provider is registered as an individual and her NPI record was last updated July 2025.
- NPI
- 1700777679
- Provider Name
- MARGARET ELIZABETH ARZAGA FNP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1233 N 30TH ST BILLINGS, MT 59101
- Location Phone
- (406) 657-7000
- Mailing Address
- 580 AVENUE A POWELL, WY 82435
- Mailing Phone
- (307) 272-3511
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-10-2025
- Last Update Date
- 07-10-2025
- Code Navigator
A nurse practitioner (NP) like Margaret Arzaga 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
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 Family
- Taxonomy Code
- 363LF0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 47698
- License State
- WY
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 7 | 0 | 0 | 7 | 7 | 7 | 6 | 7 | 9 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 7 | 0 | 0 | 14 | 7 | 14 | 6 | 14 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 7 + 0 + 0 + 1 + 4 + 7 + 1 + 4 + 6 + 1 + 4 + 24 = 61 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 61 = 9 | 9 | ||||||||
The NPI number 1700777679 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1972596880 | MONTANA PEDIATRIC CRITICAL CARE, PC Organization | Pediatrics (Pediatric Critical Care Medicine) | 1233 N 30TH ST BILLINGS, MT 59101 (888) 350-2911 |
| 1821084369 | MS. LISA M MURRAY PA-C Individual | Physician Assistant | 1233 N 30TH ST BILLINGS, MT 59101 (406) 247-3350 |
| 1285601096 | DR. ZEFERINO ARROYO D.O. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1417924226 | DR. STEPHEN BALL M.D. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1588631204 | DR. DOUGLAS CORNELIUS M.D. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1063489771 | DR. KERT CHRISTENSEN D.O. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1558338103 | DR. GARY MERMEL M.D. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1285601849 | DR. CHARLES PROBERT MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1093782591 | DR. CHARLES ARAGON M.D. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1265409825 | DR. BLAKE MITCHELL MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1699742254 | DR. KELLEN MOEN MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1851368427 | DR. KEITH SHULTZ MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1740257310 | DR. KRISTIN SPANJIAN MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1033186697 | DR. CORY PICKENS MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1891762209 | DR. MICHAEL HOVLAND M.D. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0709 |
| 1588631782 | DR. THOMAS ROBINSON MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1396712592 | DR. DAVID SCHNEIDER MD Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1467429662 | MR. MICHAEL SCHWEITZER Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1720043870 | BEN W. JAGODZINSKI M.D. Individual | Anesthesiology | 1233 N 30TH ST BILLINGS, MT 59101 (406) 254-0707 |
| 1578500716 | AMY FISHBURN MD Individual | Internal Medicine | 1233 N 30TH ST BILLINGS, MT 59101 (406) 237-3850 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1700777679, enumerated in the NPI registry as an "individual" on July 10, 2025
The provider is located at 1233 N 30th St Billings, Mt 59101 and the phone number is (406) 657-7000
The provider's speciality is Nurse Practitioner with taxonomy code 363LF0000X with a focus in Family
This NPI record was last updated on July 10, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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