DR. JOSEPH MICHAEL STEPHANO D.C.
NPI 1801993191
Chiropractor - Sports Physician in Vallejo, CA

NPI Status: Active since September 20, 2006

Contact Information

845 REDWOOD ST
VALLEJO, CA
ZIP 94590
Phone: (707) 557-5000
Fax: (707) 557-5291

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  • Individual
  • Male
  • Chiropractor
  • Sports Physician

About JOSEPH STEPHANO

This page provides the complete NPI Profile along with additional information for Joseph Stephano, a provider established in Vallejo, California with a medical specialization in Chiropractor, focusing in sports physician . The healthcare provider is registered in the NPI registry with number 1801993191 assigned on September 2006. The practitioner's primary taxonomy code is 111NS0005X with license number DC25387 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1801993191
Provider Name
DR. JOSEPH MICHAEL STEPHANO D.C.
Gender
Male
Entity Type
Individual
Location Address
845 REDWOOD ST VALLEJO, CA 94590
Location Phone
(707) 557-5000
Location Fax
(707) 557-5291
Mailing Address
845 REDWOOD ST VALLEJO, CA 94590
Mailing Phone
(707) 557-5000
Mailing Fax
(707) 557-5291
Is Sole Proprietor?
Yes
Enumeration Date
09-20-2006
Last Update Date
09-11-2025
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A chiropractor like Joseph Stephano 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.

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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

Chiropractor Sports Physician

Taxonomy Code
111NS0005X
Type
Chiropractic Providers
License No.
DC25387
License State
CA
Taxonomy Description
A sports chiropractor is uniquely trained to provide care and treatment of injuries or illness resulting from sports and physical fitness activities. Doctors of Chiropractic with the Diplomate American Chiropractic Board of Sports Physicians (DACBSP) or the Certified Chiropractic Sports Physician (CCSP), sport specialty certifications from the American Chiropractic Board of Sports Physicians, have advanced training in the assessment, management and rehabilitation of sports related injuries. Extremity care, rehabilitation and soft tissue procedures are common skills utilized by these doctors. The specialty training covers a broad spectrum from the pediatric athlete to professional and Olympic athletes, and everything in between, using a variety of techniques and modalities.

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)
1111NX0100XChiropractic Providers

Chiropractor
Occupational Health

DC25387 (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 1801993191, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 0 → 0 9 → 18 → 9 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 + 8 + 0 + 1 + 1 + 8 + 9 + 6 + 1 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1801993191.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801993191, enumerated as an "individual" on September 20, 2006.

The provider is located at 845 REDWOOD ST VALLEJO, CA 94590 and the phone number is (707) 557-5000.

Chiropractor with taxonomy code 111NS0005X and a focus in Sports Physician.