William Lyan, FNP-C
- Medicare patients, 2024
- 200
- Hospital affiliations
- 3
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 3330 Masonic Drive, Alexandria, LA 71301
- Practice phone
- Call (318) 487-1122
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Lyan'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 Lyan is a family nurse practitioner in Alexandria, Louisiana
William Lyan practices at CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana, part of CHRISTUS Health.
William Lyan's NPI, 1518450154, was assigned on June 8, 2018. William Lyan holds Louisiana license AP09650.
- NPI
- 1518450154NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648520486
- NPI enumeration date
- June 8, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (318) 487-1122
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Lyan practices at CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana
William Lyan's primary practice is CHRISTUS St. Frances Cabrini Hospital, at 3330 Masonic Drive, Alexandria, LA 71301 in Rapides Parish. The practice phone is (318) 487-1122.
- CHRISTUS St. Frances Cabrini Hospital3330 Masonic Drive, Alexandria, LA 71301 · Rapides ParishPhone(318) 487-1122
Source: Dmand AI Affiliation Data
William Lyan is affiliated with 3 sites of care and 3 medical groups
William Lyan's primary practice is CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana, part of CHRISTUS Health. William Lyan is also affiliated with Alexandria Emergency Hospital. The medical group on file is Sound Physicians. Dmand AI also links William Lyan to 1 more hospital and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Lyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Lyan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHRISTUS St. Frances Cabrini Hospital | Available with a free account |
| +2 more sites and 2 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 CHRISTUS Health and 6.2K+ hospitals, with verified contacts in the same login.
William Lyan is one of 3,703 family nurse practitioners in Louisiana
Family is William Lyan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. William Lyan is licensed in Louisiana.
Specialties and state licenses
- Family nurse practitioner, LouisianaPrimary
Family nurse practitioners near William Lyan
Counts of family 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
William Lyan treated 200 Medicare patients in 2024, average age 74
CMS counts 200 Medicare patients who saw William Lyan in 2024. The largest group is 75 to 84, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Lyan's median patient age at 64, with 50% women.
William Lyan's Medicare patients by age, 2024
William Lyan's Medicare patients by sex, 2024
- Women10151%
- Men9950%
Chronic conditions among William Lyan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease61%
- Diabetes51%
- Heart failure47%
- Chronic kidney disease44%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
William Lyan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William Lyan takes part in Medicare
William Lyan 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)
Sources for William Lyan'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) |
| 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 Lyan
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 Lyan's NPI number?
William Lyan's NPI number is 1518450154. It was assigned on June 8, 2018, and it is active in the NPI Registry.
What does William Lyan specialize in?
William Lyan is a family nurse practitioner in Alexandria, Louisiana. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does William Lyan practice?
William Lyan practices at 3330 Masonic Drive, Alexandria, LA 71301. William Lyan's primary practice is CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana, part of CHRISTUS Health. Dmand AI also links William Lyan to 1 hospital and 2 medical groups.
What is William Lyan's office phone number?
The practice phone on file for William Lyan is (318) 487-1122.
What is William Lyan's medical license number?
William Lyan holds Louisiana license AP09650.
Which hospitals is William Lyan affiliated with?
William Lyan practices at CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana. William Lyan is also affiliated with Alexandria Emergency Hospital. Dmand AI links William Lyan to 1 more hospital.
What medical group is William Lyan part of?
William Lyan is linked to Sound Physicians. Dmand AI links William Lyan to 2 more medical groups.
Does William Lyan accept Medicare?
Yes. CMS lists William Lyan as accepting Medicare assignment.
How many Medicare patients does William Lyan see?
CMS counts 200 Medicare patients who saw William Lyan in 2024, with an average age of 74.
How long has William Lyan been practicing?
William Lyan graduated from medical school in 2017, 9 years ago.
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