GRETTA C. GRUBE APNP
NPI 1578963096
Nurse Practitioner - Family in Oshkosh, WI

NPI Status: Active since September 03, 2014

Contact Information

2700 W 9TH AVE
OSHKOSH, WI
ZIP 54904
Phone: (920) 236-1750

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About GRETTA GRUBE

This page provides the complete NPI Profile along with additional information for Gretta Grube, a provider established in Oshkosh, Wisconsin with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1578963096 assigned on September 2014. The practitioner's primary taxonomy code is 363LF0000X with license number 5971-33 (WI). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1578963096
Provider Name
GRETTA C. GRUBE APNP
Other Name
GRETTA C. ROLFSON
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
2700 W 9TH AVE OSHKOSH, WI 54904
Location Phone
(920) 236-1750
Mailing Address
2339 HAMILTON ST OSHKOSH, WI 54901
Mailing Phone
(414) 852-1617
Is Sole Proprietor?
No
Enumeration Date
09-03-2014
Last Update Date
09-13-2019
Code Navigator

A nurse practitioner (NP) like Gretta Grube 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

  • 2350 N Lake Dr ste 206
    Milwaukee, WI 53211
    (414) 298-7280

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.
5971-33
License State
WI

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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 1578963096, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 7 → 14 → 5 9 → 18 → 9 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 4 + 8 + 1 + 8 + 6 + 6 + 0 + 1 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1578963096.

Other Providers at the Same Location


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

Obstetrics & Gynecology
2700 W 9TH AVE, STE 230
OSHKOSH, WI 54904
Internal Medicine (Cardiovascular Disease)
2700 W 9TH AVE, STE 106
OSHKOSH, WI 54904
Orthopaedic Surgery
2700 W 9TH AVE, STE 220
OSHKOSH, WI 54904
Neurological Surgery
2700 W 9TH AVE, STE 203
OSHKOSH, WI 54904
Surgery
2700 W 9TH AVE, STE 310
OSHKOSH, WI 54904
Surgery
2700 W 9TH AVE, STE 310
OSHKOSH, WI 54904
Psychiatry & Neurology (Neurology)
2700 W 9TH AVE, STE 203
OSHKOSH, WI 54904
Internal Medicine (Cardiovascular Disease)
2700 W 9TH AVE, STE 106
OSHKOSH, WI 54904
Orthopaedic Surgery
2700 W 9TH AVE
OSHKOSH, WI 54904
Advanced Practice Midwife
2700 W 9TH AVE
OSHKOSH, WI 54904
Advanced Practice Midwife
2700 W 9TH AVE
OSHKOSH, WI 54904
Social Worker (Clinical)
2700 W 9TH AVE
OSHKOSH, WI 54904
Nurse Practitioner
2700 W 9TH AVE
OSHKOSH, WI 54904
Psychiatry & Neurology (Psychiatry)
2700 W 9TH AVE, STE 320
OSHKOSH, WI 54904
2700 W 9TH AVE, STE 220
OSHKOSH, WI 54904
2700 W 9TH AVE, STE 220
OSHKOSH, WI 54904
Orthopaedic Surgery
2700 W 9TH AVE, SUITE 125
OSHKOSH, WI 54904
Orthopaedic Surgery
2700 W 9TH AVE, SUITE 125
OSHKOSH, WI 54904
Psychiatry & Neurology (Neurology)
2700 W 9TH AVE, SUITE 203
OSHKOSH, WI 54904
Internal Medicine (Gastroenterology)
2700 W 9TH AVE, SUITE 300
OSHKOSH, WI 54904

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578963096, enumerated as an "individual" on September 03, 2014.

The provider is located at 2700 W 9TH AVE OSHKOSH, WI 54904 and the phone number is (920) 236-1750.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.