Dr. William Charles Fox, MD
- Medicare services, 2022
- 11
- Part D claims, 2016
- 27
- MIPS score, 2024
- 82
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- One Medical Plaza, Roseville, CA 95661
- Practice phone
- Call (916) 781-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fox'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 Charles Fox is an anesthesiologist in Roseville, California
Dr. Fox practices at Sutter Roseville Medical Center in Roseville, California, part of Sutter Health.
Dr. Fox's NPI, 1629465638, was assigned on April 17, 2015. Dr. Fox holds Hawaii license MD-22875.
- NPI
- 1629465638NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062826167
- NPI enumeration date
- April 17, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 781-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Charles Fox practices at 2 locations in Roseville, California
Dr. Fox's primary practice is Sutter Roseville Medical Center, at One Medical Plaza, Roseville, CA 95661 in Placer County. The practice phone is (916) 781-1000. Dr. Fox also practices at Sutter Roseville Medical Center, 1 Medical Plz, Roseville, CA 95661.
- Sutter Roseville Medical CenterPrimaryOne Medical Plaza, Roseville, CA 95661 · Placer CountyPhone(916) 781-1000
- Sutter Roseville Medical Center1 Medical Plz, Roseville, CA 95661 · Placer CountyPhone(800) 353-3369
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. William Charles Fox is affiliated with 3 sites of care and 2 medical groups
Dr. Fox's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. The medical group on file is CASE Medical Group. Dmand AI also links Dr. Fox to 2 more group practices and clinics and 1 medical group, each 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 Charles Fox's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fox practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Roseville Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Charles Fox is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Fox's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Fox is licensed in Hawaii.
Specialties and state licenses
- Anesthesiology, HawaiiPrimary
Anesthesiologists near Dr. Fox
Counts of anesthesiologists 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 Charles Fox billed Medicare for 11 services in 2022
CMS data shows 11 Medicare services from Dr. Fox across 1 procedure code in 2022. Medicare paid $429 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fox's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Surgery
- 2021: 02022: 11
- Office and hospital visits
- 2021: 502022: 0100%
Dr. Fox compared with the California median for anesthesiologists, 2022
- Dr. Fox
- California median
- Medicare services
- 11vs 7285% below
- Part D claims
- 27vs 2317% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Fox's most billed Medicare procedure codes, 2022
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. Fox?
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Charles Fox's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Fox's median patient age at 57, with 49% women.
Dr. Fox's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women49%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. William Charles Fox wrote 27 Medicare Part D claims in 2016
In 2016, Dr. Fox wrote 27 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $277 in total drug cost.
Dr. Fox's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. William Charles Fox scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Fox for performance year 2024, reported as part of a group. Dr. Fox accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fox's MIPS scores, performance year 2024
- 82of 100Final score
- 73.9of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Dr. William Charles Fox'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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 Charles Fox
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 Charles Fox's NPI number?
Dr. William Charles Fox's NPI number is 1629465638. It was assigned on April 17, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. William Charles Fox?
Dr. William Charles Fox is an anesthesiologist in Roseville, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. William Charles Fox practice?
Dr. Fox practices at One Medical Plaza, Roseville, CA 95661. Dr. Fox also practices at 1 Medical Plz, Roseville, CA 95661. Dr. Fox's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dmand AI also links Dr. Fox to 2 group practices and clinics and 1 medical group.
What is Dr. William Charles Fox's office phone number?
The practice phone on file for Dr. Fox is (916) 781-1000.
What is Dr. William Charles Fox's medical license number?
Dr. Fox holds Hawaii license MD-22875.
Which hospitals is Dr. William Charles Fox affiliated with?
Dr. Fox practices at Sutter Roseville Medical Center in Roseville, California.
What medical group is Dr. William Charles Fox part of?
Dr. Fox is linked to CASE Medical Group. Dmand AI links Dr. Fox to 1 more medical group.
Does Dr. William Charles Fox accept Medicare?
Yes. CMS data shows Dr. Fox billed Medicare for 11 services in 2022, and Dr. Fox accepts Medicare assignment.
What is Dr. William Charles Fox's MIPS score?
Dr. Fox's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
What services does Dr. William Charles Fox bill to Medicare?
In 2022, Dr. Fox's most billed Medicare services were surgery: heart and blood vessels (36620).
What drugs does Dr. William Charles Fox prescribe most?
In 2016 Medicare Part D data, Dr. Fox's most prescribed drugs by claims were Furosemide and Warfarin Sodium.
How long has Dr. William Charles Fox been practicing?
Dr. Fox graduated from medical school in 2013, 13 years ago.
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