MELISSA LYNN HWANG
NPI 1942821038
Nurse Practitioner - Family in Aliso Viejo, CA

Active since April 30, 2020
26891 ALISO CREEK RD, ALISO VIEJO, CA 92656(949) 360-4081 Get Directions Write a Review

NPPES record last updated: July 10, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 10, 2021, Dec 4, 2020 (2 updates tracked since 2020).

  • Individual
  • Female
  • Nurse Practitioner
  • Family

About MELISSA HWANG

This page provides the complete NPI Profile along with additional information for Melissa Hwang, a provider established in Aliso Viejo, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1942821038 assigned on April 2020. The practitioner's primary taxonomy code is 363LF0000X with license number 95015811 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1942821038
Provider Name
MELISSA LYNN HWANG
Gender
Female
Entity Type
Individual
Location Address
26891 ALISO CREEK RD ALISO VIEJO, CA 92656
Location Phone
(949) 360-4081
Mailing Address
26891 ALISO CREEK RD ALISO VIEJO, CA 92656
Mailing Phone
(949) 360-4081
Is Sole Proprietor?
No
Enumeration Date
04-30-2020
Last Update Date
07-10-2021
Code Navigator

A nurse practitioner (NP) like Melissa Hwang 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.
95015811
License State
CA

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

760988 (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 1942821038, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
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 4 → 8 8 → 16 → 7 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 6 + 2 + 2 + 0 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1942821038.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Pharmacy
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Nurse Practitioner (Family)
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Nurse Practitioner (Family)
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Nurse Practitioner (Family)
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Nurse Practitioner (Family)
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656
Pharmacist
26891 ALISO CREEK RD
ALISO VIEJO, CA 92656

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942821038, enumerated as an "individual" on April 30, 2020.

The provider is located at 26891 ALISO CREEK RD ALISO VIEJO, CA 92656 and the phone number is (949) 360-4081.

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