Dr. William Buchanan Workman, MD
- Medicare services, 2024
- 1,453
- Medicare patients, 2024
- 396
- Part D claims, 2024
- 295
- Clinical trials
- 1
- MIPS score, 2024
- 92
- Practice address
- 2637 Shadelands Drive, Walnut Creek, CA 94598
- Practice phone
- Call (925) 329-3710
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
BASS Imaging Center - Walnut Creek
Mammography / Breast Imaging Center · Walnut Creek, California
Find Dr. Workman's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Buchanan Workman is an orthopedic surgeon in Walnut Creek, California
Dr. Workman practices at BASS Imaging Center - Walnut Creek in Walnut Creek, California.
Dr. Workman's NPI, 1952376352, was assigned on February 20, 2006. Dr. Workman graduated from Tulane School of Medicine in 1994. Dr. Workman holds California license A72343.
- NPI
- 1952376352NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284606534
- NPI enumeration date
- February 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 329-3710
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Buchanan Workman practices at BASS Imaging Center - Walnut Creek in Walnut Creek, California
Dr. Workman's primary practice is BASS Imaging Center - Walnut Creek, at 2637 Shadelands Drive, Walnut Creek, CA 94598. The practice phone is (925) 329-3710.
- BASS Imaging Center - Walnut Creek2637 Shadelands Drive, Walnut Creek, CA 94598Phone(925) 329-3710
Source: Dmand AI Affiliation Data
Dr. William Buchanan Workman is affiliated with 7 sites of care and 1 medical group
Dr. Workman's primary practice is BASS Imaging Center - Walnut Creek in Walnut Creek, California. Dr. Workman is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is BASS Medical Group. Dmand AI also links Dr. Workman to 1 more hospital, 3 home health agencies and 1 group practice or clinic, each named with a free account. Dr. Workman's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Buchanan Workman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Workman practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| BASS Imaging Center - Walnut Creek | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Buchanan Workman is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Workman's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Workman is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dr. Workman is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, bursitis, carpal tunnel syndrome, enthesopathy in arms, fluid in a joint, hand joint or tendon inflammation, hip replacement and joint arthropathy among the conditions Dr. Workman treats.
Orthopedic surgeons near Dr. Workman
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Buchanan Workman billed Medicare for 1,453 services in 2024
CMS data shows 1,453 Medicare services from Dr. Workman across 11 procedure codes in 2024, for 396 Medicare patients. Medicare paid $154,824 for them.
Dr. Workman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7142024: 79411%
- Drugs given in the office
- 2023: 2782024: 35327%
- Surgery
- 2023: 2182024: 2337%
- Imaging
- 2023: 1142024: 7336%
Where Dr. Workman's Medicare services took place, 2024
- In an office1,42198%
- In a facility322%
Dr. Workman compared with the California median for orthopedic surgeons, 2024
- Dr. Workman
- California median
- Medicare services
- 1,453vs 6832.1 times
- Medicare patients
- 396vs 21584% above
- Part D claims
- 253vs 703.6 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Workman's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Workman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Workman and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Buchanan Workman treated 396 Medicare patients in 2024, average age 74
CMS counts 396 Medicare patients who saw Dr. Workman in 2024. The largest group is 65 to 74, with 209 patients. 75% of them have high cholesterol, and 73% have arthritis. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Workman's median patient age at 63, with 45% women.
Dr. Workman's Medicare patients by age, 2024
Dr. Workman's Medicare patients by sex, 2024
- Women17444%
- Men22256%
Chronic conditions among Dr. Workman's Medicare patients, 2024
- High cholesterol75%
- Arthritis73%
- High blood pressure64%
- Diabetes21%
- Ischemic heart disease17%
- Anxiety16%
- Mood disorders16%
- Depression15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Workman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women45%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Buchanan Workman wrote 295 Medicare Part D claims in 2024
In 2024, Dr. Workman wrote 295 Medicare Part D claims for 137 patients. 99% of them were for generic drugs. CMS names the drug for 253 of them, across 7 drugs with 11 or more claims each, at $3,306 in total drug cost. In 2023, CMS named 212 claims across 8 drugs.
Dr. Workman's Part D claims by kind of drug, 2024
- Generic293 claims99%
- Brand-name and other2 claims1%
Dr. Workman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Workman's Part D claims, 2024
- Opioids54%158 of 295 claims
- Antibiotics14%42 of 295 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2122024: 25319%
Drugs named by CMS: 7 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William Buchanan Workman scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Workman for performance year 2024, reported individually. Dr. Workman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Workman as offering telehealth. CMS counts 30 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Workman, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Workman's MIPS scores, performance year 2024
- 92of 100Final score
- 73.7of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 100of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Workman ranks in Medicare procedure volume
- Knee replacement
- 72nd percentile39 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 96th percentile30 procedures
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 61st percentile19 procedures
- Hip replacement
- 63rd percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Buchanan Workman has worked on 1 clinical trial
Dmand AI links Dr. Workman to 1 clinical trial.
Investigators on the most trials with Dr. Workman
- Jorge I. Acevedo, MD1 shared trial
- Gregory J. Adamson, MD1 shared trial
- Kenneth H. Akizuki, MD1 shared trial
Recent clinical trials with Dr. Workman
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Buchanan Workman received $52,730 in industry payments from 2016 to 2025
CMS Open Payments shows 212 general payments to Dr. Workman from 22 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 49% of the total. Arthrex, Inc. paid the most, $43,080.
General payments to Dr. Workman by program year, 2016 to 2025
General payments to Dr. Workman by kind, 2016 to 2025
- Speaker and faculty fees$26,00049%
- Travel and lodging$14,81128%
- Food and beverage$8,87417%
- Education$3,0456%
Companies that paid Dr. Workman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Buchanan Workman graduated from Tulane School of Medicine
Dr. Workman graduated from Tulane School of Medicine in 1994.
- Medical school
- Board certified in orthopaedic sports medicine
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. William Buchanan Workman accepts plans from 8 insurance carriers
Dr. Workman is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
- Molina
Plan types Dr. Workman accepts, by number of carriers
- Medicare8
- PPO6
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. William Buchanan Workman's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Buchanan Workman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Buchanan Workman's NPI number?
Dr. William Buchanan Workman's NPI number is 1952376352. It was assigned on February 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Buchanan Workman?
Dr. William Buchanan Workman is an orthopedic surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William Buchanan Workman practice?
Dr. Workman practices at 2637 Shadelands Drive, Walnut Creek, CA 94598. Dr. Workman's primary practice is BASS Imaging Center - Walnut Creek in Walnut Creek, California. Dmand AI also links Dr. Workman to 1 hospital, 3 home health agencies and 1 group practice or clinic.
What is Dr. William Buchanan Workman's office phone number?
The practice phone on file for Dr. Workman is (925) 329-3710.
What is Dr. William Buchanan Workman's medical license number?
Dr. Workman holds California license A72343.
Which hospitals is Dr. William Buchanan Workman affiliated with?
Dr. Workman is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Workman to 1 more hospital.
What medical group is Dr. William Buchanan Workman part of?
Dr. Workman is linked to BASS Medical Group.
Does Dr. William Buchanan Workman accept Medicare?
Yes. CMS data shows Dr. Workman billed Medicare for 1,453 services in 2024, and Dr. Workman accepts Medicare assignment.
Does Dr. William Buchanan Workman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Workman as offering telehealth services.
What is Dr. William Buchanan Workman's MIPS score?
Dr. Workman's MIPS final score for performance year 2024 is 92 out of 100, reported individually.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. William Buchanan Workman see?
CMS counts 396 Medicare patients who saw Dr. Workman in 2024, with an average age of 74.
Is Dr. William Buchanan Workman board certified?
Yes. Dr. Workman is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery.
What services does Dr. William Buchanan Workman bill to Medicare?
In 2024, Dr. Workman's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J0702) and office visit, established patient (99213).
Where did Dr. William Buchanan Workman go to medical school?
Dr. Workman graduated from Tulane School of Medicine in 1994.
What drugs does Dr. William Buchanan Workman prescribe most?
In 2024 Medicare Part D data, Dr. Workman's most prescribed drugs by claims were Oxycodone-Acetaminophen, Hydrocodone-Acetaminophen and Cephalexin.
Has Dr. William Buchanan Workman received payments from drug or device companies?
CMS Open Payments shows $52,730 in general payments to Dr. Workman from 22 companies from 2016 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. William Buchanan Workman been practicing?
Dr. Workman graduated from medical school in 1994, 32 years ago.
Does Dr. William Buchanan Workman do research?
Dr. Workman has worked on 1 clinical trial.
What insurance does Dr. William Buchanan Workman accept?
Dr. Workman is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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