SHELLY MILLER TAT ACNP, MHA
NPI 1689667636
Nurse Practitioner - Acute Care in Huntington Beach, CA
NPI Status: Active since August 24, 2005
Contact Information
7755 CENTER AVE STE 630
HUNTINGTON BEACH, CA
ZIP 92647
Phone: (657) 204-3953
Fax: (844) 698-7227
NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: July 12, 2026.
Record update history: Mar 17, 2018, Nov 2, 2017 (2 updates tracked since 2017).
- Individual
- Female
- Nurse Practitioner
- Acute Care
About SHELLY TAT
This page provides the complete NPI Profile along with additional information for Shelly Tat, a provider established in Huntington Beach, California with a medical specialization in Nurse Practitioner, focusing in acute care . The healthcare provider is registered in the NPI registry with number 1689667636 assigned on August 2005. The practitioner's primary taxonomy code is 363LA2100X with license number 11304 (CA). The provider is registered as an individual and her NPI record was last updated 8 years ago.
- NPI
- 1689667636
- Provider Name
- SHELLY MILLER TAT ACNP, MHA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 7755 CENTER AVE STE 630 HUNTINGTON BEACH, CA 92647
- Location Phone
- (657) 204-3953
- Location Fax
- (844) 698-7227
- Mailing Address
- 7755 CENTER AVE STE 630 HUNTINGTON BEACH, CA 92647
- Mailing Phone
- (657) 204-3953
- Mailing Fax
- (844) 698-7227
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-24-2005
- Last Update Date
- 03-17-2018
- Code Navigator
A nurse practitioner (NP) like Shelly Tat 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
- 15021 W Bell Rd Suite 125
Surprise, AZ 85374
(623) 476-7880 - 15021 W Bell Rd Suite 125
Surprise, AZ 85374
(623) 476-7880
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 Acute Care
- Taxonomy Code
- 363LA2100X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 11304
- 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) |
|---|---|---|---|---|
| 1 | 363LA2100X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | RN133463 (AZ) |
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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 1689667636, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
HUNTINGTON BEACH, CA 92647
HUNTINGTON BEACH, CA 92647
HUNTINGTON BEACH, CA 92647
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1689667636, enumerated as an "individual" on August 24, 2005.
The provider is located at 7755 CENTER AVE STE 630 HUNTINGTON BEACH, CA 92647 and the phone number is (657) 204-3953.
Nurse Practitioner with taxonomy code 363LA2100X and a focus in Acute Care.
