MRS. HARRIET C HETZEL MED,CCC,SLP
NPI 1245465772
Speech-Language Pathologist in Mt Pleasant, SC

NPI Status: Active since May 28, 2009

Contact Information

1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC
ZIP 29464
Phone: (843) 216-0290

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  • Individual
  • Female
  • Speech-Language Pathologist
  • CLIA Number: 42D2103735
  • CLIA Cert. Type: Pharmacy
  • CLIA Exp. Date: 10-19-2027

About HARRIET HETZEL

This page provides the complete NPI Profile along with additional information for Harriet Hetzel, a provider established in Mt Pleasant, South Carolina with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1245465772 assigned on May 2009. The practitioner's primary taxonomy code is 235Z00000X with license number 4465 (SC). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1245465772
Provider Name
MRS. HARRIET C HETZEL MED,CCC,SLP
Gender
Female
Entity Type
Individual
Location Address
1127 QUEENSBOROUGH BLVD STE 104 MT PLEASANT, SC 29464
Location Phone
(843) 216-0290
Mailing Address
PO BOX 1753 MT PLEASANT, SC 29465
Is Sole Proprietor?
No
Enumeration Date
05-28-2009
Last Update Date
01-21-2022
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
4465
License State
SC
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
42D2103735
Facility Type
Pharmacy
Certificate Effective Date
October 20, 2025
Certificate Expiration Date
October 19, 2027
Laboratory Director
LINDSAY CAPOZZIELLO
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Harriet Hetzel to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1245465772, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 4 → 8 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 8 + 6 + 1 + 0 + 7 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1245465772.

Other Providers at the Same Location


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

Occupational Therapist (Pediatrics)
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Physical Therapist
1127 QUEENSBOROUGH BLVD STE 104
MOUNT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MOUNT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Physical Therapist (Pediatrics)
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Physical Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MOUNT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MOUNT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Occupational Therapist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MT PLEASANT, SC 29464
Speech-Language Pathologist
1127 QUEENSBOROUGH BLVD STE 104
MOUNT PLEASANT, SC 29464

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245465772, enumerated as an "individual" on May 28, 2009.

The provider is located at 1127 QUEENSBOROUGH BLVD STE 104 MT PLEASANT, SC 29464 and the phone number is (843) 216-0290.

Speech-Language Pathologist with taxonomy code 235Z00000X.