DAVID CONTRERAS M.D.
NPI 1821048216
Orthopaedic Surgery in Walnut Creek, CA
NPI Status: Active since May 10, 2006
Contact Information
2405 SHADELANDS DR
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 939-8585
Fax: (925) 933-2709
- Individual
- Male
- Orthopaedic Surgery
About DAVID CONTRERAS
This page provides the complete NPI Profile along with additional information for David Contreras, a provider established in Walnut Creek, California with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1821048216 assigned on May 2006. The practitioner's primary taxonomy code is 207X00000X with license number G52522 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.
- NPI
- 1821048216
- Provider Name
- DAVID CONTRERAS M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2405 SHADELANDS DR WALNUT CREEK, CA 94598
- Location Phone
- (925) 939-8585
- Location Fax
- (925) 933-2709
- Mailing Address
- PO BOX 31396 WALNUT CREEK, CA 94598
- Mailing Phone
- (925) 939-8585
- Mailing Fax
- (925) 933-2709
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-10-2006
- Last Update Date
- 09-16-2020
- 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
Orthopaedic Surgery
- Taxonomy Code
- 207X00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G52522
- License State
- CA
- Taxonomy Description
- An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Aspiration and/or injection of fluid from large joint
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Hyaluronan or derivative, gel-one, for intra-articular injection, per dose
Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
Mri scan of leg joint without contrast
New patient office or other outpatient visit, 30-44 minutes
Removal of knee cartilage using an endoscope
X-ray of hip, 2-3 views
X-ray of knee, 3 views
X-ray of knee, 4 or more views
X-ray of lower and sacral spine, 2-3 views
X-ray of shoulder, minimum of 2 views
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
This service was performed 478 times for 264 patientsThis is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
This service was performed 501 times for 306 patientsThis is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
This service was performed 177 times for 167 patientsHyaluronan or Gel-One is a substance injected directly into your joint space. It's aimed to supplement your body's natural joint fluid, helping to lubricate and cushion the joint, reducing pain and improving mobility. It's often used for arthritis relief.
This service was performed 102 times for 68 patientsGelsyn-3 is a treatment involving injections of a substance called hyaluronan into the joint space. Hyaluronan is naturally present in healthy joint fluid, aiding in lubrication and shock absorption. This treatment helps relieve joint pain, often in conditions like osteoarthritis.
This service was performed 12,768 times for 20 patientsTriamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
This service was performed 1,499 times for 224 patientsAn MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.
This service was performed 46 times for 45 patientsThis service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
This service was performed 116 times for 116 patientsThis procedure, known as arthroscopic knee surgery, involves using a small camera (endoscope) to view the inside of your knee. Small instruments are used to remove damaged cartilage. This can help alleviate pain and improve knee function.
This service was performed 13 times for 13 patientsAn X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.
This service was performed 35 times for 35 patientsAn X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
This service was performed 23 times for 20 patientsAn X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
This service was performed 137 times for 110 patientsAn X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.
This service was performed 22 times for 22 patientsAn X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
This service was performed 32 times for 29 patientsReviews for DAVID CONTRERAS M.D.
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 1821048216, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
WALNUT CREEK, CA 94598
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821048216, enumerated as an "individual" on May 10, 2006.
The provider is located at 2405 SHADELANDS DR WALNUT CREEK, CA 94598 and the phone number is (925) 939-8585.
Orthopaedic Surgery with taxonomy code 207X00000X.