LYNNE B GELHAUS MS, LPC, LADC
NPI 1811049976
Counselor - Professional in Antlers, OK

NPI Status: Active since January 17, 2007

Contact Information

301 N HIGH ST
ANTLERS, OK
ZIP 74523
Phone: (580) 298-5779
Fax: (580) 298-6699

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  • Individual
  • Female
  • Counselor
  • Professional

About LYNNE GELHAUS

This page provides the complete NPI Profile along with additional information for Lynne Gelhaus, a provider established in Antlers, Oklahoma with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1811049976 assigned on January 2007. The practitioner's primary taxonomy code is 101YP2500X with license number 2441 (OK). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1811049976
Provider Name
LYNNE B GELHAUS MS, LPC, LADC
Gender
Female
Entity Type
Individual
Location Address
301 N HIGH ST ANTLERS, OK 74523
Location Phone
(580) 298-5779
Location Fax
(580) 298-6699
Mailing Address
301 N HIGH ST ANTLERS, OK 74523
Mailing Phone
(580) 298-5779
Mailing Fax
(580) 298-6699
Is Sole Proprietor?
No
Enumeration Date
01-17-2007
Last Update Date
09-11-2025
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
2441
License State
OK

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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

199 (OK)
2101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

2441 (OK)

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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 1811049976, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 0 → 0 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 0 + 4 + 1 + 8 + 9 + 1 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1811049976.

Other Providers at the Same Location


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

Counselor (Mental Health)
301 N HIGH ST
ANTLERS, OK 74523
Counselor
301 N HIGH ST
ANTLERS, OK 74523
Counselor
301 N HIGH ST
ANTLERS, OK 74523
Behavior Analyst
301 N HIGH ST
ANTLERS, OK 74523
Counselor (Mental Health)
301 N HIGH ST
ANTLERS, OK 74523
Case Management
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523
Clinic/Center (Mental Health (Including Community Mental Health Center))
301 N HIGH ST
ANTLERS, OK 74523
Case Management
301 N HIGH ST
ANTLERS, OK 74523
Counselor (Mental Health)
301 N HIGH ST
ANTLERS, OK 74523
Counselor (Mental Health)
301 N HIGH ST
ANTLERS, OK 74523
Counselor (Mental Health)
301 N HIGH ST
ANTLERS, OK 74523
Counselor (Mental Health)
301 N HIGH ST
ANTLERS, OK 74523
Health and Wellness Coach
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523
Case Manager/Care Coordinator
301 N HIGH ST
ANTLERS, OK 74523

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811049976, enumerated as an "individual" on January 17, 2007.

The provider is located at 301 N HIGH ST ANTLERS, OK 74523 and the phone number is (580) 298-5779.

Counselor with taxonomy code 101YP2500X and a focus in Professional.