Dr. William David Leonard, MD
- Medicare services, 2024
- 100
- Medicare patients, 2024
- 185
- Hospital affiliations
- 1
- Medical groups
- 5
- Insurance carriers
- 1
- Practice address
- 5176 Hill Road East, Lakeport, CA 95453
- Practice phone
- Call (707) 262-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leonard'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 David Leonard is an anesthesiologist in Lakeport, California
Dr. Leonard practices at Sutter Lakeside Hospital in Lakeport, California, part of Sutter Health.
Dr. Leonard's NPI, 1265514475, was assigned on October 19, 2006. Dr. Leonard graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1995. Dr. Leonard holds California license A98392.
- NPI
- 1265514475NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193826154
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 262-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William David Leonard practices at Sutter Lakeside Hospital in Lakeport, California
Dr. Leonard's primary practice is Sutter Lakeside Hospital, at 5176 Hill Road East, Lakeport, CA 95453 in Lake County. The practice phone is (707) 262-5000.
- Sutter Lakeside Hospital5176 Hill Road East, Lakeport, CA 95453 · Lake CountyPhone(707) 262-5000
Source: Dmand AI Affiliation Data
Dr. William David Leonard is affiliated with 3 sites of care and 5 medical groups
Dr. Leonard's primary practice is Sutter Lakeside Hospital in Lakeport, California, part of Sutter Health. The medical group on file is Progressive Anesthesia Consultants of California. Dmand AI also links Dr. Leonard to 4 more medical groups, 1 group practice or clinic and 1 ambulatory surgery center, 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 David Leonard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leonard practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Lakeside Hospital | Available with a free account |
| +2 more sites and 4 medical groups | 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 Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William David Leonard is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Leonard's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Leonard is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Leonard's licenses on file in 2 states: California and Hawaii.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Hawaii license
Anesthesiologists near Dr. Leonard
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 David Leonard billed Medicare for 100 services in 2024
CMS data shows 100 Medicare services from Dr. Leonard across 4 procedure codes in 2024, for 185 Medicare patients. Medicare paid $14,416 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leonard's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1592024: 10037%
Dr. Leonard compared with the California median for anesthesiologists, 2024
- Dr. Leonard
- California median
- Medicare services
- 100vs 7239% above
- Medicare patients
- 185vs 14329% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Leonard'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. Leonard?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leonard and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William David Leonard treated 185 Medicare patients in 2024, average age 73
CMS counts 185 Medicare patients who saw Dr. Leonard in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leonard's median patient age at 62, with 63% women.
Dr. Leonard's Medicare patients by age, 2024
Dr. Leonard's Medicare patients by sex, 2024
- Women10758%
- Men7842%
Chronic conditions among Dr. Leonard's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis60%
- Mood disorders34%
- Chronic kidney disease33%
- COPD29%
- Depression29%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leonard's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. William David Leonard takes part in Medicare
Dr. Leonard accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William David Leonard graduated from Uniformed Services University, F. Edward Hebert School of Medicine
Dr. Leonard graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1995.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. William David Leonard accepts plans from 1 insurance carrier
Dr. Leonard is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. William David Leonard'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 David Leonard
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 David Leonard's NPI number?
Dr. William David Leonard's NPI number is 1265514475. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William David Leonard?
Dr. William David Leonard is an anesthesiologist in Lakeport, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. William David Leonard practice?
Dr. Leonard practices at 5176 Hill Road East, Lakeport, CA 95453. Dr. Leonard's primary practice is Sutter Lakeside Hospital in Lakeport, California, part of Sutter Health. Dmand AI also links Dr. Leonard to 4 medical groups, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. William David Leonard's office phone number?
The practice phone on file for Dr. Leonard is (707) 262-5000.
What is Dr. William David Leonard's medical license number?
Dr. Leonard holds California license A98392, one of the licenses on file in 2 states.
Which states has Dr. William David Leonard been licensed in?
Dmand AI has state licenses on file for Dr. Leonard in California (2006 to 2026) and Hawaii (1997 to 2026).
Which hospitals is Dr. William David Leonard affiliated with?
Dr. Leonard practices at Sutter Lakeside Hospital in Lakeport, California.
What medical group is Dr. William David Leonard part of?
Dr. Leonard is linked to Progressive Anesthesia Consultants of California. Dmand AI links Dr. Leonard to 4 more medical groups.
Does Dr. William David Leonard accept Medicare?
Yes. CMS data shows Dr. Leonard billed Medicare for 100 services in 2024, and Dr. Leonard accepts Medicare assignment.
How many Medicare patients does Dr. William David Leonard see?
CMS counts 185 Medicare patients who saw Dr. Leonard in 2024, with an average age of 73.
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Is Dr. William David Leonard board certified?
Yes. Dr. Leonard is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. William David Leonard bill to Medicare?
In 2024, Dr. Leonard's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00142).
Where did Dr. William David Leonard go to medical school?
Dr. Leonard graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1995.
How long has Dr. William David Leonard been practicing?
Dr. Leonard graduated from medical school in 1995, 31 years ago.
What insurance does Dr. William David Leonard accept?
Dr. Leonard is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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