MRS. AILINE R OSTBY LCPC
NPI 1972909349
Counselor - Professional in Billings, MT
NPI Status: Active since November 13, 2014
Contact Information
208 N 28TH ST STE 313
BILLINGS, MT
ZIP 59101
Phone: (406) 696-1810
- Individual
- Female
- Counselor
- Professional
- Accepts Insurance
About AILINE OSTBY
This page provides the complete NPI Profile along with additional information for Ailine Ostby, a provider established in Billings, Montana with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1972909349 assigned on November 2014. The practitioner's primary taxonomy code is 101YP2500X with license number 8803 (MT). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1972909349
- Provider Name
- MRS. AILINE R OSTBY LCPC
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 208 N 28TH ST STE 313 BILLINGS, MT 59101
- Location Phone
- (406) 696-1810
- Mailing Address
- 208 N BROADWAY STE 313 BILLINGS, MT 59101
- Mailing Phone
- (406) 294-5091
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-13-2014
- Last Update Date
- 05-06-2026
- Code Navigator
Location Map
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.
- 8803
- License State
- MT
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Blue Focus Bronze POS? 205 - POS
- Blue Focus Bronze POS? 705 - POS
- Blue Focus Bronze POS? Standard - POS
- Blue Focus Gold POS? 207 - POS
- Blue Focus Gold POS? 902 - POS
- Blue Focus Gold POS? Standard - POS
- Blue Focus Silver POS? 206 - POS
- Blue Focus Silver POS? 903 - POS
- Blue Focus Silver POS? Standard - POS
- Blue Preferred Bronze PPO? 201 - PPO
- Blue Preferred Bronze PPO? 202 - PPO
- Blue Preferred Bronze PPO? Standard - PPO
- Blue Preferred Gold PPO? 204 - PPO
- Blue Preferred Gold PPO? 901 - PPO
- Blue Preferred Gold PPO? Standard - PPO
- Blue Preferred Security PPO? 200 - PPO
- Blue Preferred Silver PPO? 203 - PPO
- Blue Preferred Silver PPO? 308 - PPO
- Blue Preferred Silver PPO? Standard - PPO
- Peak PPO Bronze HDHP - PPO
- Peak PPO Bronze Standard - PPO
- Peak PPO Catastrophic - PPO
- Peak PPO Gold - PPO
- Peak PPO Gold Standard - PPO
- Peak PPO Silver - PPO
- Peak PPO Silver Standard - PPO
- Plus Bronze - PPO
- Plus Bronze Standard - PPO
- Plus Gold - PPO
- Plus Gold Standard - PPO
- Plus Silver Standard - PPO
- Rocky Mountain Bronze Standard - PPO
- Rocky Mountain Gold Standard - PPO
- Rocky Mountain Silver Standard - PPO
- PEAK PPO BRONZE - PPO
- PEAK PPO BRONZE HDHP - PPO
- PEAK PPO GOLD - PPO
- PEAK PPO GOLD HDHP - PPO
- PEAK PPO SILVER - PPO
- Core Bronze HSA 10600 - EPO
- Core Bronze HSA 7500 - EPO
- Core Bronze HSA 8300 - EPO
- Core Gold 1500 - EPO
- Core Gold 3000 - EPO
- Core Silver 3500 - EPO
- Core Silver 4500 - EPO
- Core Silver 5000 - EPO
- Core Silver 7500 - EPO
- Core Standard Expanded Bronze HSA - EPO
- Core Standard Gold - EPO
- Core Standard Silver - EPO
- PacificSource Oregon Standard Bronze HSA Plan Core - EPO
- PacificSource Oregon Standard Gold Plan Core - EPO
- PacificSource Oregon Standard Silver Plan Core - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
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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 1972909349, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1972909349, enumerated as an "individual" on November 13, 2014.
The provider is located at 208 N 28TH ST STE 313 BILLINGS, MT 59101 and the phone number is (406) 696-1810.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Mountain. Please consult your insurance carrier or call the provider to verify.
