RENEE HARNISH MS, LAT
NPI 1821856873
Counselor - Addiction (Substance Use Disorder) in Sheridan, WY
NPI Status: Active since March 13, 2024
Contact Information
1221 W 5TH ST
SHERIDAN, WY
ZIP 82801
Phone: (307) 674-4405
NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
Record update history: Mar 12, 2026, Aug 5, 2025 (2 updates tracked since 2025).
- Individual
- Female
- Years of Experience 5
- Counselor
- Addiction (Substance Use Disorder)
- May Accept Medicare Approved Payment
About RENEE HARNISH
This page provides the complete NPI Profile along with additional information for Renee Harnish, a provider established in Sheridan, Wyoming with a medical specialization in Counselor, focusing in addiction (substance use disorder) and more than 5 years of experience. The healthcare provider is registered in the NPI registry with number 1821856873 assigned on March 2024. The practitioner's primary taxonomy code is 101YA0400X with license number LAT-424 (WY). The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1821856873
- Provider Name
- RENEE HARNISH MS, LAT
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1221 W 5TH ST SHERIDAN, WY 82801
- Location Phone
- (307) 674-4405
- Mailing Address
- 1221 W 5TH ST SHERIDAN, WY 82801
- Mailing Phone
- (307) 674-4405
- Medical School Name
- OTHER
- Graduation Year
- 2022
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-13-2024
- Last Update Date
- 03-12-2026
- Code Navigator
A Substance Abuse or Addiction Counselor like Renee Harnish advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.
Location Map
Secondary Locations
- 113 S Gillette Ave Ste 200
Gillette, WY 82716
(307) 363-0693
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 Addiction (Substance Use Disorder)
- Taxonomy Code
- 101YA0400X
- Type
- Behavioral Health & Social Service Providers
- License No.
- LAT-424
- License State
- WY
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 | 101YA0400X | Behavioral Health & Social Service Providers | Counselor | 089 (WY) |
Medicare Participation & PECOS Enrollment Status
Renee Harnish is registered with Medicare but may not accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
PECOS PAC ID: 7214464197
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20260406003191
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Maybe
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Reviews for RENEE HARNISH MS, LAT
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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 1821856873, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821856873, enumerated as an "individual" on March 13, 2024.
The provider is located at 1221 W 5TH ST SHERIDAN, WY 82801 and the phone number is (307) 674-4405.
Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).
