MELISSA MINA TOMA NURSE PRACTITIONER
NPI 1811694623
Nurse Practitioner - Family in Saint Helena, CA

NPI Status: Active since February 13, 2023

Contact Information

1222 PINE ST
SAINT HELENA, CA
ZIP 94574
Phone: (707) 963-3641

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About MELISSA TOMA

This page provides the complete NPI Profile along with additional information for Melissa Toma, a provider established in Saint Helena, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1811694623 assigned on February 2023. The practitioner's primary taxonomy code is 363LF0000X with license number 95024135 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1811694623
Provider Name
MELISSA MINA TOMA NURSE PRACTITIONER
Gender
Female
Entity Type
Individual
Location Address
1222 PINE ST SAINT HELENA, CA 94574
Location Phone
(707) 963-3641
Mailing Address
PO BOX 418 ANGWIN, CA 94508
Mailing Phone
(909) 204-8712
Is Sole Proprietor?
Yes
Enumeration Date
02-13-2023
Last Update Date
02-13-2023
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A nurse practitioner (NP) like Melissa Toma 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.
95024135
License State
CA

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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 1811694623, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
Check
3
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 1 → 2 6 → 12 → 3 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 1 + 2 + 9 + 8 + 6 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1811694623.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Family Medicine
1222 PINE ST
SAINT HELENA, CA 94574
Physician Assistant (Medical)
1222 PINE ST
SAINT HELENA, CA 94574
Nurse Practitioner
1222 PINE ST
SAINT HELENA, CA 94574
Family Medicine
1222 PINE ST
SAINT HELENA, CA 94574
Clinic/Center (Federally Qualified Health Center (FQHC))
1222 PINE ST, SUITE A
SAINT HELENA, CA 94574
Nurse Practitioner (Family)
1222 PINE ST
SAINT HELENA, CA 94574

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811694623, enumerated as an "individual" on February 13, 2023.

The provider is located at 1222 PINE ST SAINT HELENA, CA 94574 and the phone number is (707) 963-3641.

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