DR. THOAN FERGUSON RN, DC
NPI 1528778297
Chiropractor in Hayward, CA

NPI Status: Active since December 02, 2022

Contact Information

1866 B STREET
SUITE 201
HAYWARD, CA
ZIP 94541
Phone: (510) 566-5604

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  • Individual
  • Female
  • Chiropractor

About THOAN FERGUSON

This page provides the complete NPI Profile along with additional information for Thoan Ferguson, a provider established in Hayward, California with a medical specialization in Chiropractor. The healthcare provider is registered in the NPI registry with number 1528778297 assigned on December 2022. The practitioner's primary taxonomy code is 111N00000X with license number 36366DC (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1528778297
Provider Name
DR. THOAN FERGUSON RN, DC
Other Name
DR. MELISSA THOAN FERGUSON
Other Name Type
Other Name (5)
Gender
Female
Entity Type
Individual
Location Address
1866 B STREET SUITE 201 HAYWARD, CA 94541
Location Phone
(510) 566-5604
Mailing Address
19177 MADISON AVENUE CASTRO VALLEY, CA 94546
Mailing Phone
(408) 390-5554
Is Sole Proprietor?
No
Enumeration Date
12-02-2022
Last Update Date
08-23-2023
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A chiropractor like Thoan Ferguson helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.

Location Map

Secondary Locations

  • 19177 Madison Ave
    Castro Valley, CA 94546
    (408) 390-5554

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

Chiropractor

Taxonomy Code
111N00000X
Type
Chiropractic Providers
License No.
36366DC
License State
CA
Taxonomy Description
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

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)
1111N00000XChiropractic Providers

Chiropractor

36366 (CA)
2111NP0017XChiropractic Providers

Chiropractor
Pediatric Chiropractor

36366DC (CA)
3163W00000XNursing Service Providers

Registered Nurse

527930RN (CA)
4163WL0100XNursing Service Providers

Registered Nurse
Lactation Consultant

527930RN (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 1528778297, 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
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 2 → 4 7 → 14 → 5 8 → 16 → 7 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 + 4 + 8 + 1 + 4 + 7 + 1 + 6 + 2 + 1 + 8 + 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 1528778297.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist
1866 B STREET
HAYWARD, CA 94541

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528778297, enumerated as an "individual" on December 02, 2022.

The provider is located at 1866 B STREET SUITE 201 HAYWARD, CA 94541 and the phone number is (510) 566-5604.

Chiropractor with taxonomy code 111N00000X.