MR. RONALD MARK KORWALD ADDICTIONOLOGIST
NPI 1275769879
Counselor - Addiction (Substance Use Disorder) in Belmont, CA

NPI Status: Active since June 09, 2009

Contact Information

400 HARBOR BLVD
BUILDING C
BELMONT, CA
ZIP 94002
Phone: (650) 802-6429
Fax: (650) 802-6440

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  • Individual
  • Male
  • Counselor
  • Addiction (Substance Use Disorder)

About RONALD KORWALD

This page provides the complete NPI Profile along with additional information for Ronald Korwald, a provider established in Belmont, California with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1275769879 assigned on June 2009. The practitioner's primary taxonomy code is 101YA0400X. The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1275769879
Provider Name
MR. RONALD MARK KORWALD ADDICTIONOLOGIST
Gender
Male
Entity Type
Individual
Location Address
400 HARBOR BLVD BUILDING C BELMONT, CA 94002
Location Phone
(650) 802-6429
Location Fax
(650) 802-6440
Mailing Address
400 HARBOR BLVD BUILDING C BELMONT, CA 94002
Mailing Phone
(650) 802-6429
Mailing Fax
(650) 802-6440
Is Sole Proprietor?
No
Enumeration Date
06-09-2009
Last Update Date
06-09-2009
Code Navigator

A Substance Abuse or Addiction Counselor like Ronald Korwald advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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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 Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers

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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 1275769879, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 7 → 14 → 5 7 → 14 → 5 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 4 + 6 + 1 + 8 + 8 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1275769879.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Counselor (Addiction (Substance Use Disorder))
400 HARBOR BLVD
BELMONT, CA 94002
Student in an Organized Health Care Education/Training Program
400 HARBOR BLVD
BELMONT, CA 94002
Counselor (School)
400 HARBOR BLVD, BUILDING E
BELMONT, CA 94002
Behavior Analyst
400 HARBOR BLVD, BUILDING E
BELMONT, CA 94002
Behavior Analyst
400 HARBOR BLVD, BUILDING E
BELMONT, CA 94002
Behavior Analyst
400 HARBOR BLVD
BELMONT, CA 94002
Behavior Analyst
400 HARBOR BLVD, BUILDING E
BELMONT, CA 94002
Community/Behavioral Health
400 HARBOR BLVD, SUITE E
BELMONT, CA 94002
Counselor (Mental Health)
400 HARBOR BLVD
BELMONT, CA 94002
Marriage & Family Therapist
400 HARBOR BLVD
BELMONT, CA 94002

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275769879, enumerated as an "individual" on June 09, 2009.

The provider is located at 400 HARBOR BLVD BUILDING C BELMONT, CA 94002 and the phone number is (650) 802-6429.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).