DR. JOHN ELWOOD GRANT PSY.D.
NPI 1386737609
Clinical Neuropsychologist in San Francisco, CA

NPI Status: Active since September 30, 2006

Contact Information

1947 DIVISADERO ST
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 420-5824

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  • Individual
  • Male
  • Clinical Neuropsychologist

About JOHN GRANT

This page provides the complete NPI Profile along with additional information for John Grant, a provider established in San Francisco, California with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1386737609 assigned on September 2006. The practitioner's primary taxonomy code is 103G00000X with license number PSY19317 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1386737609
Provider Name
DR. JOHN ELWOOD GRANT PSY.D.
Gender
Male
Entity Type
Individual
Location Address
1947 DIVISADERO ST SAN FRANCISCO, CA 94115
Location Phone
(415) 420-5824
Mailing Address
PO BOX 170116 SAN FRANCISCO, CA 94117
Mailing Phone
(808) 349-9548
Mailing Fax
Is Sole Proprietor?
Yes
Enumeration Date
09-30-2006
Last Update Date
07-09-2007
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
PSY19317
License State
CA
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
OPL193170MEDICARE UPIN (02)CA 

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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 1386737609, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
3
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
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 8 → 16 → 7 7 → 14 → 5 7 → 14 → 5 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 4 + 3 + 1 + 4 + 6 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1386737609.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Social Worker (Clinical)
1947 DIVISADERO ST, SUITE 4A
SAN FRANCISCO, CA 94115
Social Worker (Clinical)
1947 DIVISADERO ST, SUITE 2
SAN FRANCISCO, CA 94115
Social Worker (Clinical)
1947 DIVISADERO ST, SUITE 1
SAN FRANCISCO, CA 94115
Psychologist (Clinical)
1947 DIVISADERO ST, SUITE 1
SAN FRANCISCO, CA 94115
Social Worker (Clinical)
1947 DIVISADERO ST, SUITE 2
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
1947 DIVISADERO ST, SUITE 4
SAN FRANCISCO, CA 94115
Social Worker (Clinical)
1947 DIVISADERO ST, SUITE 4
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
1947 DIVISADERO ST, SUITE 1
SAN FRANCISCO, CA 94115
Psychologist (Clinical)
1947 DIVISADERO ST, SUITE 3
SAN FRANCISCO, CA 94115
Psychologist (Clinical)
1947 DIVISADERO ST, SUITE 1
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
1947 DIVISADERO ST, SUITE 3
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
1947 DIVISADERO ST, SUITE NUMBER 5
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
1947 DIVISADERO ST
SAN FRANCISCO, CA 94115
Psychologist (Clinical)
1947 DIVISADERO ST, SUITE 1-A
SAN FRANCISCO, CA 94115
Psychologist
1947 DIVISADERO ST
SAN FRANCISCO, CA 94115
Psychologist
1947 DIVISADERO ST, SUITE 5
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
1947 DIVISADERO ST, 5
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386737609, enumerated as an "individual" on September 30, 2006.

The provider is located at 1947 DIVISADERO ST SAN FRANCISCO, CA 94115 and the phone number is (415) 420-5824.

Clinical Neuropsychologist with taxonomy code 103G00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.