DR. JOSEPH WILLIAM VAN DERVEER III M.D.
NPI 1235321449
Psychiatry & Neurology - Psychiatry in Boulder, CO

NPI Status: Active since August 11, 2007

Contact Information

954 NORTH ST
SUITE 202
BOULDER, CO
ZIP 80304
Phone: (303) 260-9685

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About JOSEPH VAN DERVEER

This page provides the complete NPI Profile along with additional information for Joseph Van Derveer, a provider established in Boulder, Colorado with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1235321449 assigned on August 2007. The practitioner's primary taxonomy code is 2084P0800X with license number 38540 (CO). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1235321449
Provider Name
DR. JOSEPH WILLIAM VAN DERVEER III M.D.
Gender
Male
Entity Type
Individual
Location Address
954 NORTH ST SUITE 202 BOULDER, CO 80304
Location Phone
(303) 260-9685
Mailing Address
954 NORTH ST SUITE 202 BOULDER, CO 80304
Mailing Phone
(303) 260-9685
Is Sole Proprietor?
Yes
Enumeration Date
08-11-2007
Last Update Date
08-11-2007
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A psychiatrist like Joseph Van Derveer 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.
38540
License State
CO
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 1235321449, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
9
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 3 → 6 3 → 6 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 6 + 2 + 2 + 4 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1235321449.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
954 NORTH ST, #302
BOULDER, CO 80304
Clinical Neuropsychologist
954 NORTH ST, SUITE 305
BOULDER, CO 80304
Specialist
954 NORTH ST, SUITE 207
BOULDER, CO 80304
Social Worker (Clinical)
954 NORTH ST
BOULDER, CO 80304
Psychologist (Group Psychotherapy)
954 NORTH ST, SUITE 301
BOULDER, CO 80304
Social Worker (Clinical)
954 NORTH ST
BOULDER, CO 80304
Chiropractor
954 NORTH ST, SECOND FLOOR
BOULDER, CO 80304
Radiologic Technologist
954 NORTH ST, SECOND FLOOR
BOULDER, CO 80304
Chiropractor
954 NORTH ST, SECOND FLOOR
BOULDER, CO 80304
Psychologist
954 NORTH ST
BOULDER, CO 80304
Psychologist (Clinical)
954 NORTH ST
BOULDER, CO 80304
Counselor (Mental Health)
954 NORTH ST, SUITE 306
BOULDER, CO 80304
Counselor
954 NORTH ST, SUITE 206
BOULDER, CO 80304
Massage Therapist
954 NORTH ST, SUITE 205
BOULDER, CO 80304
Psychologist (Clinical)
954 NORTH ST, SUITE 308
BOULDER, CO 80304
Counselor (Mental Health)
954 NORTH ST
BOULDER, CO 80304
Counselor (Mental Health)
954 NORTH ST
BOULDER, CO 80304
Social Worker
954 NORTH ST
BOULDER, CO 80304
Counselor (Mental Health)
954 NORTH ST
BOULDER, CO 80304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235321449, enumerated as an "individual" on August 11, 2007.

The provider is located at 954 NORTH ST SUITE 202 BOULDER, CO 80304 and the phone number is (303) 260-9685.

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