DR. DEREK F. I. GREENSIDES DC
NPI 1427075076
Chiropractor - Orthopedic in San Bruno, CA
NPI Status: Active since July 17, 2006
Contact Information
841 SAN BRUNO AVE W
#5
SAN BRUNO, CA
ZIP 94066
Phone: (650) 872-3585
Fax: (650) 872-3212
- Individual
- Male
- Chiropractor
- Orthopedic
About DEREK GREENSIDES
This page provides the complete NPI Profile along with additional information for Derek Greensides, a provider established in San Bruno, California with a medical specialization in Chiropractor, focusing in orthopedic . The healthcare provider is registered in the NPI registry with number 1427075076 assigned on July 2006. The practitioner's primary taxonomy code is 111NX0800X with license number 10309 (CA). The provider is registered as an individual and his NPI record was last updated August 2025.
- NPI
- 1427075076
- Provider Name
- DR. DEREK F. I. GREENSIDES DC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 841 SAN BRUNO AVE W #5 SAN BRUNO, CA 94066
- Location Phone
- (650) 872-3585
- Location Fax
- (650) 872-3212
- Mailing Address
- 841 SAN BRUNO AVE W #5 SAN BRUNO, CA 94066
- Mailing Phone
- (650) 872-3585
- Mailing Fax
- (650) 872-3212
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 07-17-2006
- Last Update Date
- 08-03-2025
- Code Navigator
A chiropractor like Derek Greensides 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
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 Orthopedic
- Taxonomy Code
- 111NX0800X
- Type
- Chiropractic Providers
- License No.
- 10309
- License State
- CA
- Taxonomy Description
- Chiropractic Orthopedics/Neuromusculoskeletal Medicine is defined as that branch of chiropractic medicine that includes the continued acquisition of knowledge relative to both normal functions and diseases of the human body as they relate to the bones, joints, capsules, discs, muscles, ligaments, tendons, their complete neurological and vascular components, referred organ systems and contiguous tissues. This also includes the development and perfection of skills relative to health maintenance when such exists and when not, the investigations, historical review, physical detection, correlative diagnosis development and complete management of any disorder within the bounds defined herein. Also necessary is the delivery of the combined knowledge and skill on a primary basis to patients who both need and desire this service to the eventual outcome of remissions, whenever resolution is not readily achievable. In addition the certified chiropractic orthopedist/neuromusculoskeletal medicine specialist provides consultation services at the request of other qualified doctors seeking assistance in the care of their patients. The chiropractic orthopedist/neuromusculoskeletal medicine specialist may also engage in the teaching and or research of subjects and materials relevant to pursuing the quest for knowledge in the ever changing field of the orthopedic specialty.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 4 | 2 | 7 | 0 | 7 | 5 | 0 | 7 | 6 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 4 | 4 | 7 | 0 | 7 | 10 | 0 | 14 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 4 + 4 + 7 + 0 + 7 + 1 + 0 + 0 + 1 + 4 + 24 = 54 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 54 = 6 | 6 | ||||||||
The NPI number 1427075076 is valid because the calculated check digit 6 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 8 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1790872083 | REX LOCKWOOD D.C. Individual | Chiropractor | 841 SAN BRUNO AVE W 5 SAN BRUNO, CA 94066 (650) 952-6477 |
| 1023165198 | MS. ELISA BETH OVERHOLT L.AC. Individual | Acupuncturist | 841 SAN BRUNO AVE W #10 SAN BRUNO, CA 94066 (415) 608-9533 |
| 1184746265 | MS. BARBARA SWAN WALKER M.S., M.F.T. Individual | Marriage & Family Therapist | 841 SAN BRUNO AVE W SUITE 2 SAN BRUNO, CA 94066 (650) 219-6597 |
| 1619188844 | FRANCES ACCIARDI MFT Individual | Marriage & Family Therapist | 841 SAN BRUNO AVE W SUITE #2 SAN BRUNO, CA 94066 (415) 420-1134 |
| 1740458223 | DR. LEI LUO D.D.S. Individual | Dentist (General Practice) | 841 SAN BRUNO AVE W SUITE 3 SAN BRUNO, CA 94066 (650) 583-6032 |
| 1558530741 | LEI LUO, D.D.S., INC Organization | Dentist (General Practice) | 841 SAN BRUNO AVE W SUITE 3 SAN BRUNO, CA 94066 (650) 583-6032 |
| 1275890428 | APA HOMECARE AND TRANSPORT SERVICES INC Organization | Non-emergency Medical Transport (VAN) | 841 SAN BRUNO AVE W STE. 11 SAN BRUNO, CA 94066 (650) 589-2853 |
| 1548749989 | WATKINS DIALYSIS LLC Organization | Clinic/Center (End-Stage Renal Disease (ESRD) Treatment) | 841 SAN BRUNO AVE W SAN BRUNO, CA 94066 (650) 794-1138 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1427075076, enumerated in the NPI registry as an "individual" on July 17, 2006
The provider is located at 841 San Bruno Ave W #5 San Bruno, Ca 94066 and the phone number is (650) 872-3585
The provider's speciality is Chiropractor with taxonomy code 111NX0800X with a focus in Orthopedic
This NPI record was last updated on July 17, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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