JESSICA E. MASTRANGELO PHD, LMHC
NPI 1013634161
Counselor - Mental Health in Seattle, WA
NPI Status: Active since October 19, 2022
Contact Information
2480 BIRCH AVE N APT 3003
SEATTLE, WA
ZIP 98109
Phone: (617) 634-9971
- Individual
- Female
- Counselor
- Mental Health
- Opted-Out Medicare
About JESSICA MASTRANGELO
This page provides the complete NPI Profile along with additional information for Jessica Mastrangelo, a provider established in Seattle, Washington with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1013634161 assigned on October 2022. The practitioner's primary taxonomy code is 101YM0800X with license number LH61171140 (WA). The provider is registered as an individual and her NPI record was last updated 4 years ago.
- NPI
- 1013634161
- Provider Name
- JESSICA E. MASTRANGELO PHD, LMHC
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2480 BIRCH AVE N APT 3003 SEATTLE, WA 98109
- Location Phone
- (617) 634-9971
- Mailing Address
- 2480 BIRCH AVE N APT 3003 SEATTLE, WA 98109
- Mailing Phone
- (617) 634-9971
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-19-2022
- Last Update Date
- 10-19-2022
- Code Navigator
A mental health counselor like Jessica Mastrangelo provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Jessica Mastrangelo opted out of Medicare effective on 05-12-2025 until 05-12-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
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 Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- LH61171140
- License State
- WA
Medicare Participation & PECOS Enrollment Status
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.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 05-12-2025
Opt-Out End Date: 05-12-2027
Eligible to Order and Refer? No
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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 1013634161, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).
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 49 is 50. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1013634161, enumerated as an "individual" on October 19, 2022.
The provider is located at 2480 BIRCH AVE N APT 3003 SEATTLE, WA 98109 and the phone number is (617) 634-9971.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
