STEPHEN HEWLETT
NPI 1669928727
Counselor in San Francisco, CA

NPI Status: Active since August 29, 2016

Contact Information

245 11TH ST
SAN FRANCISCO, CA
ZIP 94103
Phone: (415) 355-0311

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  • Individual
  • Male
  • Counselor

About STEPHEN HEWLETT

This page provides the complete NPI Profile along with additional information for Stephen Hewlett, a provider established in San Francisco, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1669928727 assigned on August 2016. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1669928727
Provider Name
STEPHEN HEWLETT
Gender
Male
Entity Type
Individual
Location Address
245 11TH ST SAN FRANCISCO, CA 94103
Location Phone
(415) 355-0311
Mailing Address
245 11TH ST SAN FRANCISCO, CA 94103
Mailing Phone
(415) 355-0311
Is Sole Proprietor?
No
Enumeration Date
08-29-2016
Last Update Date
08-29-2016
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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 1669928727, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 6 → 12 → 3 9 → 18 → 9 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 8 + 2 + 1 + 6 + 7 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1669928727.

Other Providers at the Same Location


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

Acupuncturist
245 11TH ST
SAN FRANCISCO, CA 94103
Community/Behavioral Health
245 11TH ST, THIRD FLOOR
SAN FRANCISCO, CA 94103
Home Health
245 11TH ST, THIRD FLOOR
SAN FRANCISCO, CA 94103
Counselor (Mental Health)
245 11TH ST
SAN FRANCISCO, CA 94103
Psychiatry & Neurology (Psychiatry)
245 11TH ST, WESTSIDE COMMUNITY SERVICES
SAN FRANCISCO, CA 94103
Registered Nurse (Case Management)
245 11TH ST
SAN FRANCISCO, CA 94103
Nurse Practitioner (Psychiatric/Mental Health)
245 11TH ST
SAN FRANCISCO, CA 94103
Counselor (Mental Health)
245 11TH ST
SAN FRANCISCO, CA 94103
Social Worker
245 11TH ST
SAN FRANCISCO, CA 94103
Registered Nurse (Case Management)
245 11TH ST
SAN FRANCISCO, CA 94103
Technician, Health Information
245 11TH ST
SAN FRANCISCO, CA 94103
Technician, Health Information
245 11TH ST
SAN FRANCISCO, CA 94103
Technician, Health Information
245 11TH ST
SAN FRANCISCO, CA 94103
Technician, Health Information
245 11TH ST
SAN FRANCISCO, CA 94103
Student in an Organized Health Care Education/Training Program
245 11TH ST
SAN FRANCISCO, CA 94103
Community/Behavioral Health
245 11TH ST
SAN FRANCISCO, CA 94103
Technician, Health Information
245 11TH ST
SAN FRANCISCO, CA 94103
Student in an Organized Health Care Education/Training Program
245 11TH ST
SAN FRANCISCO, CA 94103
Student in an Organized Health Care Education/Training Program
245 11TH ST
SAN FRANCISCO, CA 94103
Student in an Organized Health Care Education/Training Program
245 11TH ST
SAN FRANCISCO, CA 94103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669928727, enumerated as an "individual" on August 29, 2016.

The provider is located at 245 11TH ST SAN FRANCISCO, CA 94103 and the phone number is (415) 355-0311.

Counselor with taxonomy code 101Y00000X.