DRS. CHALKER AND PETERSON, A DENTAL PARTNERSHIP
NPI 1538603790
Dentist - General Practice in Atascadero, CA

NPI Status: Active since December 07, 2016

Contact Information

7405 MORRO RD
ATASCADERO, CA
ZIP 93422
Phone: (805) 466-1273

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NPPES record last updated: December 7, 2016. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Dentist
  • General Practice

About DRS. CHALKER AND PETERSON, A DENTAL PARTNERSHIP

This page provides the complete NPI Profile along with additional information for Drs. Chalker And Peterson, A Dental Partnership, a provider established in Atascadero, California operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1538603790 assigned on December 2016. The practitioner's primary taxonomy code is 1223G0001X with license number 59371 (CA). The provider is registered as an organization and their NPI record was last updated 10 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Kaci Ackerman (Front Office)

NPI
1538603790
Provider Name
DRS. CHALKER AND PETERSON, A DENTAL PARTNERSHIP
Entity Type
Organization
Location Address
7405 MORRO RD ATASCADERO, CA 93422
Location Phone
(805) 466-1273
Mailing Address
7405 MORRO RD ATASCADERO, CA 93422
Mailing Phone
(805) 466-1273
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-07-2016
Last Update Date
12-07-2016
Code Navigator

A dentist like Drs. Chalker And Peterson, A Dental Partnership is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
59371
License State
CA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223G0001XDental Providers

Dentist
General Practice

24935 (CA)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

KACI ACKERMAN

Authorized Official Title
FRONT OFFICE
Authorized Official Phone
(805) 464-4472

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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 1538603790, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 6 → 12 → 3 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 + 5 + 6 + 8 + 1 + 2 + 0 + 6 + 7 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1538603790.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Dentist (General Practice)
7405 MORRO RD
ATASCADERO, CA 93422
Dentist
7405 MORRO RD
ATASCADERO, CA 93422
Dentist
7405 MORRO RD
ATASCADERO, CA 93422

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538603790, enumerated as an "organization" on December 07, 2016.

The provider is located at 7405 MORRO RD ATASCADERO, CA 93422 and the phone number is (805) 466-1273.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.