Hamilton Leonard Cessac III, NP
- Medicare patients, 2024
- 265
- Hospital affiliations
- 3
- Industry payments
- $125
- Medical group
- 1
- State licenses
- 2
- Practice address
- 17200 St Luke's Way, The Woodlands, TX 77384
- Practice phone
- Call (936) 266-4050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Hamilton Cessac'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.
Hamilton Leonard Cessac III is a nurse practitioner in Conroe, Texas
Hamilton Cessac practices at St. Luke's Health - The Woodlands Hospital in The Woodlands, Texas, part of CommonSpirit Health.
Hamilton Cessac's NPI, 1821143389, was assigned on January 24, 2007. Hamilton Cessac holds Texas license 668237.
- NPI
- 1821143389NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688774888
- NPI enumeration date
- January 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (936) 266-4050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hamilton Leonard Cessac III practices at St. Luke's Health - the Woodlands Hospital in The Woodlands, Texas
Hamilton Cessac's primary practice is St. Luke's Health - the Woodlands Hospital, at 17200 St Luke's Way, The Woodlands, TX 77384 in Montgomery County. The practice phone is (936) 266-4050.
- St. Luke's Health - the Woodlands Hospital17200 St Luke's Way, The Woodlands, TX 77384 · Montgomery CountyPhone(936) 266-4050
Source: Dmand AI Affiliation Data
Hamilton Leonard Cessac III is affiliated with 4 sites of care and 1 medical group
Hamilton Cessac's primary practice is St. Luke's Health - The Woodlands Hospital in The Woodlands, Texas, part of CommonSpirit Health. Hamilton Cessac is also affiliated with HCA Houston Healthcare Conroe. The medical group on file is Houston Center for Infectious Diseases. Dmand AI also links Hamilton Cessac to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hamilton Leonard Cessac III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hamilton Cessac practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Health - The Woodlands Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Hamilton Leonard Cessac III is one of 3,565 nurse practitioners in Texas
Nurse practitioner is Hamilton Cessac's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Hamilton Cessac's licenses on file in 2 states: Texas and Florida.
Specialties and state licenses
- Nurse practitioner, TexasPrimary
- Family nurse practitioner, Florida
Nurse practitioners near Hamilton Cessac
Counts of nurse practitioners 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
Hamilton Leonard Cessac III treated 265 Medicare patients in 2024, average age 76
CMS counts 265 Medicare patients who saw Hamilton Cessac in 2024. The largest group is 75 to 84, with 97 patients. 75% of them have arthritis, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 3.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Hamilton Cessac's median patient age at 75, with 46% women.
Hamilton Cessac's Medicare patients by age, 2024
Hamilton Cessac's Medicare patients by sex, 2024
- Women13149%
- Men13451%
Chronic conditions among Hamilton Cessac's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease64%
- Heart failure62%
- Mood disorders59%
- Ischemic heart disease58%
- Diabetes57%
Share of Medicare patients with each condition. A patient can have several.
Hamilton Cessac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women46%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Hamilton Leonard Cessac III takes part in Medicare
Hamilton Cessac 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)
Hamilton Leonard Cessac III received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Hamilton Cessac from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $125.
Companies that paid Hamilton Cessac the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Hamilton Leonard Cessac III'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 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) |
| Industry payments | Open Payments (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 Hamilton Leonard Cessac III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hamilton Leonard Cessac III's NPI number?
Hamilton Leonard Cessac III's NPI number is 1821143389. It was assigned on January 24, 2007, and it is active in the NPI Registry.
What does Hamilton Leonard Cessac III specialize in?
Hamilton Leonard Cessac III is a nurse practitioner in Conroe, Texas. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Hamilton Leonard Cessac III practice?
Hamilton Cessac practices at 17200 St Luke's Way, The Woodlands, TX 77384. Hamilton Cessac's primary practice is St. Luke's Health - The Woodlands Hospital in The Woodlands, Texas, part of CommonSpirit Health. Dmand AI also links Hamilton Cessac to 1 hospital and 1 group practice or clinic.
What is Hamilton Leonard Cessac III's office phone number?
The practice phone on file for Hamilton Cessac is (936) 266-4050.
What is Hamilton Leonard Cessac III's medical license number?
Hamilton Cessac holds Texas license 668237, one of the licenses on file in 2 states.
Which states has Hamilton Leonard Cessac III been licensed in?
Dmand AI has state licenses on file for Hamilton Cessac in Texas and Florida.
Which hospitals is Hamilton Leonard Cessac III affiliated with?
Hamilton Cessac practices at St. Luke's Health - The Woodlands Hospital in The Woodlands, Texas. Hamilton Cessac is also affiliated with HCA Houston Healthcare Conroe. Dmand AI links Hamilton Cessac to 1 more hospital.
What medical group is Hamilton Leonard Cessac III part of?
Hamilton Cessac is linked to Houston Center for Infectious Diseases.
Does Hamilton Leonard Cessac III accept Medicare?
Yes. CMS lists Hamilton Cessac as accepting Medicare assignment.
How many Medicare patients does Hamilton Leonard Cessac III see?
CMS counts 265 Medicare patients who saw Hamilton Cessac in 2024, with an average age of 76.
Has Hamilton Leonard Cessac III received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Hamilton Cessac from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Hamilton Leonard Cessac III been practicing?
Hamilton Cessac graduated from medical school in 1996, 30 years ago.
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