DR. MICHAEL ROBERT DIONNE PMHNP-BC
NPI 1336035666
Nurse Practitioner - Psychiatric/Mental Health in Concord, CA
NPI Status: Active since June 13, 2025
Contact Information
1800 SUTTER ST STE 500
CONCORD, CA
ZIP 94520
Phone: (707) 469-3402
- Individual
- Male
- Nurse Practitioner
- Psychiatric/Mental Health
About MICHAEL DIONNE
This page provides the complete NPI Profile along with additional information for Michael Dionne, a provider established in Concord, California with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1336035666 assigned on June 2025. The practitioner's primary taxonomy code is 363LP0808X with license number 95038262 (CA). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1336035666
- Provider Name
- DR. MICHAEL ROBERT DIONNE PMHNP-BC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1800 SUTTER ST STE 500 CONCORD, CA 94520
- Location Phone
- (707) 469-3402
- Mailing Address
- 30 N GOULD ST STE R SHERIDAN, WY 82801
- Mailing Phone
- (707) 469-3402
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-13-2025
- Last Update Date
- 04-05-2026
- Code Navigator
A nurse practitioner (NP) like Michael Dionne is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
Location Map
Secondary Locations
- 186 Dunbarton Rd Apt 3
Manchester, NH 03102
(707) 469-3402 - 2 Pine West Plz Ste 205
Albany, NY 12205
(707) 469-3402 - 800 W Main St Ste 1460
Boise, ID 83702
(707) 469-3402
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
Nurse Practitioner Psychiatric/Mental Health
- Taxonomy Code
- 363LP0808X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 95038262
- License State
- CA
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 | 363LP0808X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | 116023-23 (NH) |
| 2 | 363LP0808X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | 209034132 (IL) |
| 3 | 363LP0808X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | 407280 (NY) |
| 4 | 363LP0808X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | 8371598 (ID) |
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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 1336035666, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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.
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 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 10 providers are registered at the same or a nearby location.
CONCORD, CA 94520
CONCORD, CA 94520
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1336035666, enumerated as an "individual" on June 13, 2025.
The provider is located at 1800 SUTTER ST STE 500 CONCORD, CA 94520 and the phone number is (707) 469-3402.
Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.
