Dr. William B. Williams, MD
- Part D claims, 2024
- 247
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $2,184
- State licenses
- 3
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams' 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 B. Williams is an oral and maxillofacial surgery (d.m.d.) in Walnut Creek, California
Dr. Williams practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Williams' NPI, 1073539086, was assigned on July 14, 2006. Dr. Williams graduated from Harvard Medical School in 2008. Dr. Williams holds California license A117924.
- NPI
- 1073539086NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William B. Williams practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Williams' primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. William B. Williams is affiliated with 2 sites of care
Dr. Williams' primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Williams to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William B. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William B. Williams is one of 130 orals and maxillofacial surgery (d.m.d.)s in California
Oral and maxillofacial surgery is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 204E00000X. Dmand AI has Dr. Williams' licenses on file in 3 states: California, District of Columbia and Massachusetts.
Specialties and state licenses
- Oral and maxillofacial surgery (d.m.d.), CaliforniaPrimary
- District of Columbia license
- Massachusetts license
Orals and maxillofacial surgery (d.m.d.)s near Dr. Williams
Counts of orals and maxillofacial surgery (d.m.d.)s 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 B. Williams' patients have a median age of 23
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 23, with 39% women.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 23
Patient panel by sex, all payers
- Women39%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. William B. Williams wrote 247 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 247 Medicare Part D claims for 103 patients. 100% of them were for generic drugs. CMS names the drug for 215 of them, across 4 drugs with 11 or more claims each, at $1,347 in total drug cost. In 2023, CMS named 80 claims across 5 drugs.
Dr. Williams' 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. Williams' Part D claims, 2024
- Opioids43%105 of 247 claims
- Antibiotics53%131 of 247 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: 802024: 215169%
Drugs named by CMS: 4 in 2024, 5 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
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Dr. William B. Williams has 1 publication on record
Dmand AI links 1 paper to Dr. Williams.
Recent publications by Dr. Williams
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right orals and maxillofacial surgery (d.m.d.)s.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William B. Williams received $2,184 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Williams from 8 drug and device companies from 2016 to 2025. Accredited education speaker fees make up the largest share, 46% of the total. Synthes GmbH paid the most, $1,746.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Accredited education speaker fees$1,00046%
- Travel and lodging$59627%
- Food and beverage$56826%
- Gifts$211%
Companies that paid Dr. Williams 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 B. Williams graduated from Harvard Medical School
Dr. Williams graduated from Harvard Medical School in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William B. Williams'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Publications, topics and co-authors | PubMed (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 |
| 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 B. Williams
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 B. Williams' NPI number?
Dr. William B. Williams' NPI number is 1073539086. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William B. Williams?
Dr. William B. Williams is an oral and maxillofacial surgery (d.m.d.) in Walnut Creek, California. The primary specialty in the NPI Registry is Oral & Maxillofacial Surgery (D.M.D.) (taxonomy code 204E00000X).
Where does Dr. William B. Williams practice?
Dr. Williams practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Williams' primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Williams to 1 hospital.
What is Dr. William B. Williams' office phone number?
The practice phone on file for Dr. Williams is (925) 939-3000.
What is Dr. William B. Williams' medical license number?
Dr. Williams holds California license A117924, one of the licenses on file in 3 states.
Which states has Dr. William B. Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in California (2011 to 2027), District of Columbia (2010 to 2013) and Massachusetts (2007 to 2012).
Which hospitals is Dr. William B. Williams affiliated with?
Dr. Williams practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dmand AI links Dr. Williams to 1 more hospital.
Where did Dr. William B. Williams go to medical school?
Dr. Williams graduated from Harvard Medical School in 2008.
What drugs does Dr. William B. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amoxicillin and Azithromycin.
Has Dr. William B. Williams received payments from drug or device companies?
CMS Open Payments shows $2,184 in general payments to Dr. Williams from 8 companies from 2016 to 2025. The largest total came from Synthes GmbH.
How long has Dr. William B. Williams been practicing?
Dr. Williams graduated from medical school in 2008, 18 years ago.
Does Dr. William B. Williams do research?
Dmand AI links 1 publication to Dr. Williams.
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