MR. GARY CRAIG MERTZ SLP
NPI 1205906534
Speech-Language Pathologist in Waynesboro, PA

NPI Status: Active since November 08, 2006

Contact Information

120 W MAIN ST
WAYNESBORO, PA
ZIP 17268
Phone: (814) 977-8339

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  • Individual
  • Male
  • Speech-Language Pathologist

About GARY MERTZ

This page provides the complete NPI Profile along with additional information for Gary Mertz, a provider established in Waynesboro, Pennsylvania with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1205906534 assigned on November 2006. The practitioner's primary taxonomy code is 235Z00000X with license number 04723 (MD). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1205906534
Provider Name
MR. GARY CRAIG MERTZ SLP
Gender
Male
Entity Type
Individual
Location Address
120 W MAIN ST WAYNESBORO, PA 17268
Location Phone
(814) 977-8339
Mailing Address
209 LOYALTY LN MARTINSBURG, WV 25403
Mailing Phone
(814) 977-8339
Is Sole Proprietor?
No
Enumeration Date
11-08-2006
Last Update Date
12-04-2019
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Location Map

Secondary Locations

  • 157 Baltimore St Suite 201
    Cumberland, MD 21502
    (301) 722-3215
  • 157 Baltimore St Suite 201
    Cumberland, MD 21502
    (301) 722-3215

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.
04723
License State
MD
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.

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)
1235Z00000XSpeech, Language and Hearing Service Providers

Speech-Language Pathologist

2202004610 (VA)
2235Z00000XSpeech, Language and Hearing Service Providers

Speech-Language Pathologist

SL005045L (PA)

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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 1205906534, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
0
Doubled → 0
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 0 → 0 9 → 18 → 9 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 0 + 5 + 1 + 8 + 0 + 1 + 2 + 5 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1205906534.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Occupational Therapist
120 W MAIN ST
WAYNESBORO, PA 17268
Occupational Therapist
120 W MAIN ST
WAYNESBORO, PA 17268
Physical Therapist
120 W MAIN ST
WAYNESBORO, PA 17268
Speech-Language Pathologist
120 W MAIN ST
WAYNESBORO, PA 17268

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205906534, enumerated as an "individual" on November 08, 2006.

The provider is located at 120 W MAIN ST WAYNESBORO, PA 17268 and the phone number is (814) 977-8339.

Speech-Language Pathologist with taxonomy code 235Z00000X.