DR. GARRETT CHRISTOPHER DAUM M.D.
NPI 1053597138
Psychiatry & Neurology - Psychiatry in Castro Valley, CA

NPI Status: Active since January 18, 2008

Contact Information

20980 REDWOOD RD
SUITE 205
CASTRO VALLEY, CA
ZIP 94546
Phone: (510) 390-1930

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About GARRETT DAUM

This page provides the complete NPI Profile along with additional information for Garrett Daum, a provider established in Castro Valley, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1053597138 assigned on January 2008. The practitioner's primary taxonomy code is 2084P0800X with license number G55616 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1053597138
Provider Name
DR. GARRETT CHRISTOPHER DAUM M.D.
Gender
Male
Entity Type
Individual
Location Address
20980 REDWOOD RD SUITE 205 CASTRO VALLEY, CA 94546
Location Phone
(510) 390-1930
Mailing Address
25338 BUCKEYE DR CASTRO VALLEY, CA 94552
Mailing Phone
(510) 259-8227
Is Sole Proprietor?
Yes
Enumeration Date
01-18-2008
Last Update Date
01-18-2008
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A psychiatrist like Garrett Daum 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.
G55616
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.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

MD00040757 (WA)
22084P0805XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Geriatric Psychiatry

G65616 (CA)
32084P0805XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Geriatric Psychiatry

MD00040757 (WA)

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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 1053597138, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
8
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 5 → 10 → 1 5 → 10 → 1 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 1 + 0 + 9 + 1 + 4 + 1 + 6 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1053597138.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Durable Medical Equipment & Medical Supplies
20980 REDWOOD RD, SUITE 260
CASTRO VALLEY, CA 94546
Psychologist (Clinical)
20980 REDWOOD RD, STE. 230
CASTRO VALLEY, CA 94546
Home Health
20980 REDWOOD RD, SUITE 205
CASTRO VALLEY, CA 94546
Durable Medical Equipment & Medical Supplies
20980 REDWOOD RD, SUITE 260
CASTRO VALLEY, CA 94546

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053597138, enumerated as an "individual" on January 18, 2008.

The provider is located at 20980 REDWOOD RD SUITE 205 CASTRO VALLEY, CA 94546 and the phone number is (510) 390-1930.

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