BARRY G PIERCE M.D.
NPI 1003977794
Psychiatry & Neurology - Psychiatry in Santa Rosa, CA

NPI Status: Active since December 13, 2006

Contact Information

1260 N DUTTON AVE
SANTA ROSA, CA
ZIP 95401
Phone: (707) 525-9045
Fax: (707) 525-0426

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About BARRY PIERCE

This page provides the complete NPI Profile along with additional information for Barry Pierce, a provider established in Santa Rosa, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1003977794 assigned on December 2006. The practitioner's primary taxonomy code is 2084P0800X with license number G50471 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1003977794
Provider Name
BARRY G PIERCE M.D.
Gender
Male
Entity Type
Individual
Location Address
1260 N DUTTON AVE SANTA ROSA, CA 95401
Location Phone
(707) 525-9045
Location Fax
(707) 525-0426
Mailing Address
1260 N DUTTON AVE SANTA ROSA, CA 95401
Mailing Phone
(707) 525-9045
Mailing Fax
(707) 525-0426
Is Sole Proprietor?
Yes
Enumeration Date
12-13-2006
Last Update Date
07-08-2007
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A psychiatrist like Barry Pierce are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
G50471
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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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 1003977794, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 8 + 7 + 1 + 4 + 7 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1003977794.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Clinical Neuropsychologist
1260 N DUTTON AVE, SUITE 245
SANTA ROSA, CA 95401
Dentist
1260 N DUTTON AVE, #290
SANTA ROSA, CA 95401
Psychologist (Clinical)
1260 N DUTTON AVE, SUITE 245
SANTA ROSA, CA 95401
Psychologist (Clinical)
1260 N DUTTON AVE, SUITE 225
SANTA ROSA, CA 95401
Behavior Analyst
1260 N DUTTON AVE, 175
SANTA ROSA, CA 95401
Psychologist (Clinical)
1260 N DUTTON AVE
SANTA ROSA, CA 95401
Nurse Practitioner (Psychiatric/Mental Health)
1260 N DUTTON AVE, #275
SANTA ROSA, CA 95401
Psychologist
1260 N DUTTON AVE
SANTA ROSA, CA 95401
Psychologist
1260 N DUTTON AVE, SUITE 225
SANTA ROSA, CA 95401
Clinical Neuropsychologist
1260 N DUTTON AVE, SUITE 225
SANTA ROSA, CA 95401
Student in an Organized Health Care Education/Training Program
1260 N DUTTON AVE
SANTA ROSA, CA 95401
Community/Behavioral Health
1260 N DUTTON AVE, STE 105 & STE 244
SANTA ROSA, CA 95401
Clinical Neuropsychologist
1260 N DUTTON AVE, STE 225
SANTA ROSA, CA 95401
Health Educator
1260 N DUTTON AVE
SANTA ROSA, CA 95401
Ophthalmology
1260 N DUTTON AVE, SUITE 160
SANTA ROSA, CA 95401
Student in an Organized Health Care Education/Training Program
1260 N DUTTON AVE
SANTA ROSA, CA 95401
Optometrist
1260 N DUTTON AVE, SUITE 160
SANTA ROSA, CA 95401
Student in an Organized Health Care Education/Training Program
1260 N DUTTON AVE
SANTA ROSA, CA 95401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003977794, enumerated as an "individual" on December 13, 2006.

The provider is located at 1260 N DUTTON AVE SANTA ROSA, CA 95401 and the phone number is (707) 525-9045.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.