Dr. William C. Leach, MD
- Part D claims, 2024
- 884
- Industry payments
- $944
- State licenses
- 4
- Year NPI issued
- 2008
- Practice address
- 3191 E Semoran Blvd, Apopka, FL 32703
- Practice phone
- Call (352) 509-9900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Leach'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 C. Leach is a family medicine physician in Apopka, Florida
Dr. Leach practices in Apopka, Florida.
Dr. Leach's NPI, 1003091372, was assigned on January 7, 2008. Dr. Leach graduated from University Of Florida College Of Medicine in 1977. Dr. Leach holds Florida license ME44750.
- NPI
- 1003091372NPI Registry (opens in a new tab)
- NPI enumeration date
- January 7, 2008
- NPI status
- Active
- Practice phone
- (352) 509-9900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. William C. Leach's practice address is in Apopka, Florida
Dr. Leach's practice address in the NPI Registry is 3191 E Semoran Blvd, Apopka, FL 32703, in Orange County. The practice phone is (352) 509-9900.
- NPI Registry address3191 E Semoran Blvd, Apopka, FL 32703 · Orange CountyPhone(352) 509-9900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William C. Leach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Leach's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William C. Leach is one of 7,735 family medicine physicians in Florida
Family medicine is Dr. Leach's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Leach's licenses on file in 4 states: Florida, Maine, Alaska and Alabama.
Specialties and state licenses
- Family medicine, FloridaPrimary
- Maine license
- Alaska license
- Alabama license
Family medicine physicians near Dr. Leach
Counts of family medicine physicians 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 C. Leach's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Leach's median patient age at 46, with 30% women.
Dr. Leach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women30%
- Men70%
Source: Dmand AI Patient Panel Data
Dr. William C. Leach wrote 884 Medicare Part D claims in 2024
In 2024, Dr. Leach wrote 884 Medicare Part D claims for 38 patients. 83% of them were for generic drugs. CMS names the drug for 622 of them, across 25 drugs with 11 or more claims each, at $115,609 in total drug cost. In 2023, CMS named 451 claims across 23 drugs.
Dr. Leach's Part D claims by kind of drug, 2024
- Generic736 claims83%
- Brand-name148 claims17%
Dr. Leach'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. Leach's Part D claims, 2024
- Opioids5%43 of 884 claims
- Antipsychotics, patients 65 and over4%38 of 884 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: 4512024: 62238%
Drugs named by CMS: 25 in 2024, 23 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 C. Leach received $944 in industry payments from 2017 to 2025
CMS Open Payments shows 41 general payments to Dr. Leach from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 97% of the total. Indivior Inc. paid the most, $409.
General payments to Dr. Leach by program year, 2017 to 2025
General payments to Dr. Leach by kind, 2017 to 2025
- Food and beverage$92097%
- Speaker and faculty fees$243%
Companies that paid Dr. Leach the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William C. Leach graduated from University Of Florida College Of Medicine
Dr. Leach graduated from University Of Florida College Of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William C. Leach'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 Practice 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) |
| 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 C. Leach
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 C. Leach's NPI number?
Dr. William C. Leach's NPI number is 1003091372. It was assigned on January 7, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. William C. Leach?
Dr. William C. Leach is a family medicine physician in Apopka, Florida. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. William C. Leach practice?
Dr. Leach practices at 3191 E Semoran Blvd, Apopka, FL 32703.
What is Dr. William C. Leach's office phone number?
The practice phone on file for Dr. Leach is (352) 509-9900.
What is Dr. William C. Leach's medical license number?
Dr. Leach holds Florida license ME44750, one of the licenses on file in 4 states.
Which states has Dr. William C. Leach been licensed in?
Dmand AI has state licenses on file for Dr. Leach in Florida (1984 to 2026), Maine (since 2000), Alaska (1983 to 2000) and Alabama (1984 to 2000).
Where did Dr. William C. Leach go to medical school?
Dr. Leach graduated from University Of Florida College Of Medicine in 1977.
What drugs does Dr. William C. Leach prescribe most?
In 2024 Medicare Part D data, Dr. Leach's most prescribed drugs by claims were Buprenorphine-Naloxone, Diazepam and Duloxetine HCl.
Has Dr. William C. Leach received payments from drug or device companies?
CMS Open Payments shows $944 in general payments to Dr. Leach from 7 companies from 2017 to 2025. The largest total came from Indivior Inc.
How long has Dr. William C. Leach been practicing?
Dr. Leach graduated from medical school in 1977, 49 years ago.
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