DR. WILLIAM HENRY HARRISON REEDER III M.D.
NPI 1134171564
Internal Medicine - Rheumatology in Redding, CA
NPI Status: Active since May 16, 2006
Contact Information
2510 AIRPARK DR
SUITE #305
REDDING, CA
ZIP 96001
Phone: (530) 241-8822
Fax: (530) 241-0746
NPPES record last updated: April 16, 2012. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Internal Medicine
- Rheumatology
- Medicare Quality Reporting
About WILLIAM REEDER
This page provides the complete NPI Profile along with additional information for William Reeder, an internist established in Redding, California with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1134171564 assigned on May 2006. The practitioner's primary taxonomy code is 207RR0500X with license number G50653 (CA). The provider is registered as an individual and his NPI record was last updated 14 years ago.
- NPI
- 1134171564
- Provider Name
- DR. WILLIAM HENRY HARRISON REEDER III M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2510 AIRPARK DR SUITE #305 REDDING, CA 96001
- Location Phone
- (530) 241-8822
- Location Fax
- (530) 241-0746
- Mailing Address
- 2510 AIRPARK DR SUITE #305 REDDING, CA 96001
- Mailing Phone
- (530) 241-8822
- Mailing Fax
- (530) 241-0746
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-16-2006
- Last Update Date
- 04-16-2012
- Code Navigator
An internist like William Reeder is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Rheumatology
- Taxonomy Code
- 207RR0500X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G50653
- License State
- CA
- Taxonomy Description
- An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| A51763 | MEDICARE UPIN (02) | CA | |
| 00G506530 | MEDICAID (05) | CA | |
| G506530 | MEDICARE ID-TYPE UNSPECIFIED (04) | CA |
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.
Administration of chemotherapy into vein, 1 hour or less
Administration of chemotherapy into vein, each additional hour
Administration of influenza virus vaccine
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
Influenza vaccine split virus, preservative free
Influenza vaccine, quadrivalent, 0.5 ml dosage
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
Infusion, normal saline solution, 250 cc
Injection of drug or substance under skin or into muscle
Injection, denosumab, 1 mg
Injection, infliximab-abda, biosimilar, (renflexis), 10 mg
Injection, infliximab-axxq, biosimilar, (avsola), 10 mg
Injection, methylprednisolone acetate, 40 mg
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
Injection, zoledronic acid, 1 mg
New patient office or other outpatient visit, 45-59 minutes
Telephone medical discussion with physician, 11-20 minutes
Telephone medical discussion with physician, 21-30 minutes
Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.
This service was performed 210 times for 38 patientsChemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.
This service was performed 426 times for 38 patientsThe administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
This service was performed 52 times for 51 patientsThis 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 19 times for 16 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 526 times for 421 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 670 times for 444 patientsThe Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
This service was performed 25 times for 25 patientsThe Influenza vaccine, quadrivalent, 0.5 ml dosage, is a flu shot to protect against four strains of the flu virus. It's given as a small injection, typically in the arm, to help your body build immunity and fight off potential flu infections.
This service was performed 27 times for 27 patientsThis is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.
This service was performed 173 times for 64 patientsAn infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.
This service was performed 196 times for 37 patientsThis procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
This service was performed 207 times for 92 patientsDenosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
This service was performed 9,000 times for 84 patientsInfliximab-abda (Renflexis) is a biosimilar medication given via injection. It's used to treat certain autoimmune conditions by reducing inflammation and immune system activity. The dosage is 10 mg.
This service was performed 4,020 times for 23 patientsInfliximab-axxq (Avsola) is a biosimilar injection used to treat certain autoimmune conditions. It works by blocking a protein in your body that causes inflammation, helping to reduce symptoms. The dosage is 10 mg.
This service was performed 2,950 times for 22 patientsMethylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.
This service was performed 23 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 49 times for 13 patientsZoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.
This service was performed 230 times for 46 patientsThis is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
This service was performed 50 times for 50 patientsThis is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
This service was performed 54 times for 47 patientsThis service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
This service was performed 134 times for 111 patientsQuality Reporting
The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.
| Quality Measure | Performance | Number of Patients |
|---|---|---|
| Documentation of Current Medications in the Medical Record | 99% | 3368 |
| Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter. This list must include ALL known prescriptions, over-the-counters, herbals, and vitamin/mineral/dietary (nutritional) supplements AND must contain the medications' name, dosage, frequency and route of administration | ||
| Engagement of patients through implementation of improvements in patient portal | Yes | N/A |
| Access to an enhanced patient portal that provides up to date information related to relevant chronic disease health or blood pressure control, and includes interactive features allowing patients to enter health information and/or enables bidirectional communication about medication changes and adherence. | ||
| e-Prescribing | 85% | 1365 |
| At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology. | ||
| Immunization Registry Reporting | Yes | N/A |
| The MIPS eligible clinician is in active engagement with a public health agency to submit immunization data. | ||
| Medication Reconciliation | 97% | 60 |
| The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician. | ||
| Osteoarthritis (OA): Function and Pain Assessment | 11% | 1566 |
| Percentage of patient visits for patients aged 21 years and older with a diagnosis of osteoarthritis (OA) with assessment for function and pain | ||
| Pain Assessment and Follow-Up | 41% | 3394 |
| Percentage of visits for patients aged 18 years and older with documentation of a pain assessment using a standardized tool(s) on each visit AND documentation of a follow-up plan when pain is present | ||
| Patient-Specific Education | 5% | 782 |
| The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician. | ||
| Pneumococcal Vaccination Status for Older Adults | 40% | 990 |
| Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine | ||
| Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan | 45% | 1645 |
| Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous twelve months of the current encounter Normal Parameters: Age 18 years and older BMI >= 18.5 and < 25 kg/m2 | ||
| Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention | 2% | 294 |
| Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user | ||
| Provide 24/7 Access to MIPS Eligible Clinicians or Groups Who Have Real-Time Access to Patient's Medical Record | Yes | N/A |
| • Provide 24/7 access to MIPS eligible clinicians, groups, or care teams for advice about urgent and emergent care (e.g., MIPS eligible clinician and care team access to medical record, cross-coverage with access to medical record, or protocol-driven nurse line with access to medical record) that could include one or more of the following: • Expanded hours in evenings and weekends with access to the patient medical record (e.g., coordinate with small practices to provide alternate hour office visits and urgent care); • Use of alternatives to increase access to care team by MIPS eligible clinicians and groups, such as e-visits, phone visits, group visits, home visits and alternate locations (e.g., senior centers and assisted living centers); and/or Provision of same-day or next-day access to a consistent MIPS eligible clinician, group or care team when needed for urgent care or transition management. | ||
| Provide Patient Access | 99% | 782 |
| At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold certain information. | ||
| Rheumatoid Arthritis (RA): Assessment and Classification of Disease Prognosis | 63% | 503 |
| Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have an assessment and classification of disease prognosis at least once within 12 months | ||
| Rheumatoid Arthritis (RA): Functional Status Assessment | 67% | 503 |
| Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) for whom a functional status assessment was performed at least once within 12 months | ||
| Rheumatoid Arthritis (RA): Glucocorticoid Management | 87% | 503 |
| Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have been assessed for glucocorticoid use and, for those on prolonged doses of prednisone >= 10 mg daily (or equivalent) with improvement or no change in disease activity, documentation of glucocorticoid management plan within 12 months | ||
| Rheumatoid Arthritis (RA): Periodic Assessment of Disease Activity | 64% | 503 |
| Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have an assessment and classification of disease activity within 12 months | ||
| Screening for Osteoporosis for Women Aged 65-85 Years of Age | 67% | 462 |
| Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis | ||
| Secure Messaging | 35% | 782 |
| For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure message sent by the patient (or the patient-authorized representative) during the performance period. | ||
| Security Risk Analysis | Yes | N/A |
| Conduct or review a security risk analysis in accordance with the requirements in 45 CFR 164.308(a)(1), including addressing the security (to include encryption) of ePHI data created or maintained by certified EHR technology in accordance with requirements in 45 CFR164.312(a)(2)(iv) and 45 CFR 164.306(d)(3), and implement security updates as necessary and correct identified security deficiencies as part of the MIPS eligible clinician's risk management process. | ||
| Specialized Registry Reporting | Yes | N/A |
| The MIPS eligible clinician is in active engagement to submit data to specialized registry. To earn a 5 % bonus in the promoting interoperability performance category score for submitting to one or more public health or clinical data registries also attest to PI_TRANS_PHCDRR_3_MULTI. | ||
| Tobacco use | Yes | N/A |
| Tobacco use: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including tobacco use screening and cessation interventions (refer to NQF #0028) for patients with co-occurring conditions of behavioral or mental health and at risk factors for tobacco dependence. | ||
| Use of High-Risk Medications in the Elderly | 7% "Inverse Quality Measure" This is an inverse quality measure, a lower rate means the provider is rated better. | 990 |
| Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication. 2) Percentage of patients who were ordered at least two of the same high-risk medication | ||
| Use of QCDR data for quality improvement such as comparative analysis reports across patient populations | Yes | N/A |
| Participation in a QCDR, clinical data registries, or other registries run by other government agencies such as FDA, or private entities such as a hospital or medical or surgical society. Activity must include use of QCDR data for quality improvement (e.g., comparative analysis across specific patient populations for adverse outcomes after an outpatient surgical procedure and corrective steps to address adverse outcome). | ||
| Use of QCDR for feedback reports that incorporate population health | Yes | N/A |
| Use of a QCDR to generate regular feedback reports that summarize local practice patterns and treatment outcomes, including for vulnerable populations. | ||
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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 1134171564, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
REDDING, CA 96001
REDDING, CA 96001
REDDING, CA 96001
REDDING, CA 96001
REDDING, CA 96001
REDDING, CA 96001
REDDING, CA 96001
REDDING, CA 96001
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134171564, enumerated as an "individual" on May 16, 2006.
The provider is located at 2510 AIRPARK DR SUITE #305 REDDING, CA 96001 and the phone number is (530) 241-8822.
Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
