William M. Leff, DC
- Medicare patients, 2024
- 41
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 6655 Travis St, Houston, TX 77030
- Practice phone
- Call (713) 335-1700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Houston Surgery Center
Houston, Texas
Find William Leff'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.
William M. Leff is a chiropractor in Houston, Texas
William Leff practices at Houston Surgery Center in Houston, Texas.
William Leff's NPI, 1265536593, was assigned on September 8, 2006. William Leff graduated from Western States College of Chiropractic in 1984. William Leff holds Texas license 4094.
- NPI
- 1265536593NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264691765
- NPI enumeration date
- September 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 335-1700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William M. Leff practices at Houston Surgery Center in Houston, Texas
William Leff's primary practice is Houston Surgery Center, at 6655 Travis St, Houston, TX 77030 in Harris County. The practice phone is (713) 335-1700.
- Houston Surgery Center6655 Travis St, Houston, TX 77030 · Harris CountyPhone(713) 335-1700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William M. Leff is affiliated with 2 sites of care
William Leff's primary practice is Houston Surgery Center in Houston, Texas. Dmand AI also links William Leff to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William M. Leff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Leff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Surgery Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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William M. Leff is one of 2,874 chiropractors in Texas
Chiropractor is William Leff's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Dmand AI has William Leff's licenses on file in 2 states: Texas and Colorado.
Specialties and state licenses
- Chiropractor, TexasPrimary
- Colorado license
Chiropractors near William Leff
Counts of chiropractors 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
William M. Leff treated 41 Medicare patients in 2024, average age 74
CMS counts 41 Medicare patients who saw William Leff in 2024. The largest group is 65 to 74, with 20 patients. 68% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Leff's median patient age at 68, with 55% women.
William Leff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Leff's Medicare patients by sex, 2024
- Women2254%
- Men1946%
Chronic conditions among William Leff's Medicare patients, 2024
- High cholesterol68%
- High blood pressure63%
- Arthritis51%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
William Leff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William M. Leff takes part in Medicare
William Leff 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)
William M. Leff graduated from Western States College of Chiropractic
William Leff graduated from Western States College of Chiropractic in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William M. Leff'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 |
| 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 William M. Leff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William M. Leff's NPI number?
William M. Leff's NPI number is 1265536593. It was assigned on September 8, 2006, and it is active in the NPI Registry.
What does William M. Leff specialize in?
William M. Leff is a chiropractor in Houston, Texas. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does William M. Leff practice?
William Leff practices at 6655 Travis St, Houston, TX 77030. William Leff's primary practice is Houston Surgery Center in Houston, Texas. Dmand AI also links William Leff to 1 physician office.
What is William M. Leff's office phone number?
The practice phone on file for William Leff is (713) 335-1700.
What is William M. Leff's medical license number?
William Leff holds Texas license 4094, one of the licenses on file in 2 states.
Which states has William M. Leff been licensed in?
Dmand AI has state licenses on file for William Leff in Texas and Colorado.
Does William M. Leff accept Medicare?
Yes. CMS lists William Leff as accepting Medicare assignment.
How many Medicare patients does William M. Leff see?
CMS counts 41 Medicare patients who saw William Leff in 2024, with an average age of 74.
Where did William M. Leff go to medical school?
William Leff graduated from Western States College of Chiropractic in 1984.
How long has William M. Leff been practicing?
William Leff graduated from medical school in 1984, 42 years ago.
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