DR. JOHN BENJAMIN SIKORSKI MD
NPI 1134253792
Psychiatry & Neurology - Psychiatry in San Francisco, CA

NPI Status: Active since March 15, 2007

Contact Information

350 PARNASSUS AVE
SUITE 309
SAN FRANCISCO, CA
ZIP 94117
Phone: (415) 661-7570
Fax: (415) 387-2737

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About JOHN SIKORSKI

This page provides the complete NPI Profile along with additional information for John Sikorski, a provider established in San Francisco, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1134253792 assigned on March 2007. The practitioner's primary taxonomy code is 2084P0800X with license number C27078 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1134253792
Provider Name
DR. JOHN BENJAMIN SIKORSKI MD
Gender
Male
Entity Type
Individual
Location Address
350 PARNASSUS AVE SUITE 309 SAN FRANCISCO, CA 94117
Location Phone
(415) 661-7570
Location Fax
(415) 387-2737
Mailing Address
350 PARNASSUS AVE SUITE 309 SAN FRANCISCO, CA 94117
Mailing Phone
(415) 661-7570
Mailing Fax
(415) 387-2737
Is Sole Proprietor?
No
Enumeration Date
03-15-2007
Last Update Date
07-08-2007
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A psychiatrist like John Sikorski 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.
C27078
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 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 1134253792, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
2
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 2 → 4 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 6 + 4 + 4 + 5 + 6 + 7 + 1 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1134253792.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
350 PARNASSUS AVE, SUITE 410
SAN FRANCISCO, CA 94117
Obstetrics & Gynecology
350 PARNASSUS AVE
SAN FRANCISCO, CA 94117
Internal Medicine (Gastroenterology)
350 PARNASSUS AVE, SUITE 900
SAN FRANCISCO, CA 94117
Internal Medicine
350 PARNASSUS AVE, SUITE 710
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Neurology)
350 PARNASSUS AVE, SUITE 706
SAN FRANCISCO, CA 94117
Clinical Neuropsychologist
350 PARNASSUS AVE, STE. 309
SAN FRANCISCO, CA 94117
Internal Medicine (Endocrinology, Diabetes & Metabolism)
350 PARNASSUS AVE, SUITE 707
SAN FRANCISCO, CA 94117
Internal Medicine (Endocrinology, Diabetes & Metabolism)
350 PARNASSUS AVE, SUITE 707
SAN FRANCISCO, CA 94117
Clinical Neuropsychologist
350 PARNASSUS AVE, SUITE 706
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 909
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 909
SAN FRANCISCO, CA 94117
Dentist (General Practice)
350 PARNASSUS AVE, SUITE #403
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 303
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 909
SAN FRANCISCO, CA 94117
Psychologist
350 PARNASSUS AVE, SUITE 309
SAN FRANCISCO, CA 94117
Nurse Practitioner
350 PARNASSUS AVE, SUITE 410
SAN FRANCISCO, CA 94117
Specialist
350 PARNASSUS AVE, SUITE 707
SAN FRANCISCO, CA 94117
Genetic Counselor, MS
350 PARNASSUS AVE, SUITE 810
SAN FRANCISCO, CA 94117
Clinical Nurse Specialist (Adult Health)
350 PARNASSUS AVE, SUITE 404
SAN FRANCISCO, CA 94117
Genetic Counselor, MS
350 PARNASSUS AVE, STE 706
SAN FRANCISCO, CA 94117

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134253792, enumerated as an "individual" on March 15, 2007.

The provider is located at 350 PARNASSUS AVE SUITE 309 SAN FRANCISCO, CA 94117 and the phone number is (415) 661-7570.

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