DENISE GUZMAN CM
NPI 1003552241
Counselor in Oakland, CA

NPI Status: Active since May 10, 2022

Contact Information

386 14TH ST
OAKLAND, CA
ZIP 94612
Phone: (510) 210-5050
Fax: (510) 444-4424

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  • Individual
  • Female
  • Counselor

About DENISE GUZMAN

This page provides the complete NPI Profile along with additional information for Denise Guzman, a provider established in Oakland, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1003552241 assigned on May 2022. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1003552241
Provider Name
DENISE GUZMAN CM
Gender
Female
Entity Type
Individual
Location Address
386 14TH ST OAKLAND, CA 94612
Location Phone
(510) 210-5050
Location Fax
(510) 444-4424
Mailing Address
386 14TH ST OAKLAND, CA 94612
Mailing Phone
(510) 210-5050
Mailing Fax
(510) 444-4424
Is Sole Proprietor?
No
Enumeration Date
05-10-2022
Last Update Date
05-10-2022
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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

Counselor

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1003552241, 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 5 → 10 → 1 2 → 4 4 → 8

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 + 0 + 5 + 4 + 2 + 8 + 24 = 49

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.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1003552241.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Community Health Worker
386 14TH ST
OAKLAND, CA 94612
Registered Nurse
386 14TH ST
OAKLAND, CA 94612
Psychiatry & Neurology (Psychiatry)
386 14TH ST
OAKLAND, CA 94612
Social Worker (Clinical)
386 14TH ST
OAKLAND, CA 94612
Nurse Practitioner (Primary Care)
386 14TH ST
OAKLAND, CA 94612
Family Medicine
386 14TH ST
OAKLAND, CA 94612
Hospitalist
386 14TH ST
OAKLAND, CA 94612
Social Worker (Clinical)
386 14TH ST
OAKLAND, CA 94612
Nurse Practitioner (Family)
386 14TH ST
OAKLAND, CA 94612
Nurse Practitioner (Family)
386 14TH ST
OAKLAND, CA 94612
Counselor (Addiction (Substance Use Disorder))
386 14TH ST
OAKLAND, CA 94612
Nurse Practitioner (Family)
386 14TH ST
OAKLAND, CA 94612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003552241, enumerated as an "individual" on May 10, 2022.

The provider is located at 386 14TH ST OAKLAND, CA 94612 and the phone number is (510) 210-5050.

Counselor with taxonomy code 101Y00000X.