TAMMY J JOHN N.P.
NPI 1689730491
Nurse Practitioner - Pediatrics in Hastings, MN

NPI Status: Active since December 28, 2006

Contact Information

1285 NININGER RD
HASTINGS, MN
ZIP 55033
Phone: (651) 480-4200

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  • Individual
  • Female
  • Nurse Practitioner
  • Pediatrics

About TAMMY JOHN

This page provides the complete NPI Profile along with additional information for Tammy John, a provider established in Hastings, Minnesota with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1689730491 assigned on December 2006. The practitioner's primary taxonomy code is 363LP0200X with license number R109126-7 (MN). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1689730491
Provider Name
TAMMY J JOHN N.P.
Gender
Female
Entity Type
Individual
Location Address
1285 NININGER RD HASTINGS, MN 55033
Location Phone
(651) 480-4200
Mailing Address
11820 LOCKRIDGE AVE S HASTINGS, MN 55033
Mailing Phone
(651) 480-8484
Is Sole Proprietor?
Yes
Enumeration Date
12-28-2006
Last Update Date
09-11-2025
Code Navigator

A nurse practitioner (NP) like Tammy John 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 Pediatrics

Taxonomy Code
363LP0200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R109126-7
License State
MN

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)
1163WP0200XNursing Service Providers

Registered Nurse
Pediatrics

R109126-7 (MN)

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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 1689730491, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 8 → 16 → 7 7 → 14 → 5 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 4 + 3 + 0 + 4 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1689730491.

Other Providers at the Same Location


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

Surgery
1285 NININGER RD
HASTINGS, MN 55033
Family Medicine
1285 NININGER RD
HASTINGS, MN 55033
Nurse Practitioner (Family)
1285 NININGER RD
HASTINGS, MN 55033
Family Medicine
1285 NININGER RD
HASTINGS, MN 55033
Pediatrics
1285 NININGER RD
HASTINGS, MN 55033
Physical Therapist
1285 NININGER RD
HASTINGS, MN 55033
Pediatrics
1285 NININGER RD
HASTINGS, MN 55033
Family Medicine
1285 NININGER RD
HASTINGS, MN 55033
Orthopaedic Surgery
1285 NININGER RD, SUITE 107
HASTINGS, MN 55033
Obstetrics & Gynecology
1285 NININGER RD
HASTINGS, MN 55033
Family Medicine
1285 NININGER RD
HASTINGS, MN 55033
Family Medicine
1285 NININGER RD
HASTINGS, MN 55033
Physician Assistant
1285 NININGER RD
HASTINGS, MN 55033
Urology
1285 NININGER RD
HASTINGS, MN 55033
Physician Assistant (Medical)
1285 NININGER RD
HASTINGS, MN 55033
Pediatrics
1285 NININGER RD
HASTINGS, MN 55033
Psychiatry & Neurology (Psychiatry)
1285 NININGER RD
HASTINGS, MN 55033
Physical Therapist
1285 NININGER RD
HASTINGS, MN 55033
Family Medicine
1285 NININGER RD
HASTINGS, MN 55033
Physical Therapist
1285 NININGER RD
HASTINGS, MN 55033

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689730491, enumerated as an "individual" on December 28, 2006.

The provider is located at 1285 NININGER RD HASTINGS, MN 55033 and the phone number is (651) 480-4200.

Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.