MR. GREGORY MARK SINGLETON B.A.
NPI 1396972188
Counselor in Richmond, CA

NPI Status: Active since June 18, 2009

Contact Information

2853 GROOM DR
RICHMOND, CA
ZIP 94806
Phone: (510) 222-3946
Fax: (510) 222-3986

Get Directions Write a Review

  • Individual
  • Male
  • Counselor

About GREGORY SINGLETON

This page provides the complete NPI Profile along with additional information for Gregory Singleton, a provider established in Richmond, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1396972188 assigned on June 2009. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1396972188
Provider Name
MR. GREGORY MARK SINGLETON B.A.
Gender
Male
Entity Type
Individual
Location Address
2853 GROOM DR RICHMOND, CA 94806
Location Phone
(510) 222-3946
Location Fax
(510) 222-3986
Mailing Address
2853 GROOM DR RICHMOND, CA 94806
Mailing Phone
(510) 222-3946
Mailing Fax
(510) 222-3986
Is Sole Proprietor?
No
Enumeration Date
06-18-2009
Last Update Date
06-18-2009
Code Navigator

Location Map

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.

Reviews for MR. GREGORY MARK SINGLETON B.A.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1396972188, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 8 + 7 + 4 + 1 + 1 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1396972188.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Counselor
2853 GROOM DR
SAN PABLO, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor (Mental Health)
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Marriage & Family Therapist
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
SAN PABLO, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
SAN PABLO, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806
Counselor
2853 GROOM DR
RICHMOND, CA 94806

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396972188, enumerated as an "individual" on June 18, 2009.

The provider is located at 2853 GROOM DR RICHMOND, CA 94806 and the phone number is (510) 222-3946.

Counselor with taxonomy code 101Y00000X.