MS. TAMRA GROTTE FNP-C
NPI 1477949808
Nurse Practitioner - Family in Tomball, TX

NPI Status: Active since April 13, 2015

Contact Information

455 SCHOOL ST STE 30
TOMBALL, TX
ZIP 77375
Phone: (281) 357-0747
Fax: (832) 559-5190

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NPPES record last updated: December 17, 2020. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Nurse Practitioner
  • Family

About TAMRA GROTTE

This page provides the complete NPI Profile along with additional information for Tamra Grotte, a provider established in Tomball, Texas with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1477949808 assigned on April 2015. The practitioner's primary taxonomy code is 363LF0000X with license number AP113043 (TX). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1477949808
Provider Name
MS. TAMRA GROTTE FNP-C
Gender
Female
Entity Type
Individual
Location Address
455 SCHOOL ST STE 30 TOMBALL, TX 77375
Location Phone
(281) 357-0747
Location Fax
(832) 559-5190
Mailing Address
455 SCHOOL ST STE 30 TOMBALL, TX 77375
Mailing Phone
(281) 357-0747
Mailing Fax
(832) 559-5190
Is Sole Proprietor?
No
Enumeration Date
04-13-2015
Last Update Date
12-17-2020
Code Navigator

A nurse practitioner (NP) like Tamra Grotte 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.
AP113043
License State
TX

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)
1163W00000XNursing Service Providers

Registered Nurse

0612753 (TX)

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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 1477949808, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 1 + 8 + 4 + 1 + 8 + 8 + 0 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1477949808.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Pharmacist
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Nurse Practitioner (Family)
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Nurse Practitioner (Primary Care)
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Pharmacist
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Pharmacist
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Nurse Practitioner (Family)
455 SCHOOL ST STE 30
TOMBALL, TX 77375
General Practice
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Nurse Practitioner (Family)
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Clinical Medical Laboratory
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Nurse Practitioner (Family)
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Clinic/Center (Federally Qualified Health Center (FQHC))
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Nurse Practitioner (Pediatrics)
455 SCHOOL ST STE 30
TOMBALL, TX 77375
Family Medicine
455 SCHOOL ST STE 30
TOMBALL, TX 77375

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477949808, enumerated as an "individual" on April 13, 2015.

The provider is located at 455 SCHOOL ST STE 30 TOMBALL, TX 77375 and the phone number is (281) 357-0747.

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