Dr. William Lee Elzi, MD
- Medicare services, 2024
- 739
- Medicare patients, 2024
- 256
- Part D claims, 2024
- 309
- Clinical trials
- 1
- Hospital affiliations
- 2
- Practice address
- 1501 Burnet Dr, Brownwood, TX 76801
- Practice phone
- Call (325) 646-8541
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Elzi'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 Lee Elzi is an internist in Brownwood, Texas
Dr. Elzi practices at Hendrick Medical Center Brownwood in Brownwood, Texas, part of Hendrick Health.
Dr. Elzi's NPI, 1164500245, was assigned on November 2, 2006. Dr. Elzi holds Colorado license 34053.
- NPI
- 1164500245NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224211263
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (325) 646-8541
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Lee Elzi practices at Hendrick Medical Center Brownwood in Brownwood, Texas
Dr. Elzi's primary practice is Hendrick Medical Center Brownwood, at 1501 Burnet Dr, Brownwood, TX 76801 in Brown County. The practice phone is (325) 646-8541.
- Hendrick Medical Center Brownwood1501 Burnet Dr, Brownwood, TX 76801 · Brown CountyPhone(325) 646-8541
Source: Dmand AI Affiliation Data
Dr. William Lee Elzi is affiliated with 3 sites of care and 1 medical group
Dr. Elzi's primary practice is Hendrick Medical Center Brownwood in Brownwood, Texas, part of Hendrick Health. Dr. Elzi is also affiliated with CommonSpirit - St. Thomas More Hospital. The medical group on file is Quantum Hospitalist Physicians PA. Dmand AI also links Dr. Elzi to 1 more physician office, 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 Lee Elzi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Elzi practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hendrick Medical Center Brownwood | Available with a free account |
| +2 more affiliated sites | 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 Hendrick Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Lee Elzi is one of 8,437 internists in Texas
Internal medicine is Dr. Elzi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Elzi is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Elzi
Counts of internists 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 Lee Elzi billed Medicare for 739 services in 2024
CMS data shows 739 Medicare services from Dr. Elzi across 7 procedure codes in 2024, for 256 Medicare patients. Medicare paid $65,675 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Elzi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8482024: 73913%
Dr. Elzi compared with the Texas median for internists, 2024
- Dr. Elzi
- Texas median
- Medicare services
- 739vs 53937% above
- Medicare patients
- 256vs 19035% above
- Part D claims
- 117vs 28960% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Elzi'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. Elzi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Elzi and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Lee Elzi treated 256 Medicare patients in 2024, average age 77
CMS counts 256 Medicare patients who saw Dr. Elzi in 2024. The largest group is 75 to 84, with 96 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Elzi's median patient age at 73, with 54% women.
Dr. Elzi's Medicare patients by age, 2024
Dr. Elzi's Medicare patients by sex, 2024
- Women14055%
- Men11645%
Chronic conditions among Dr. Elzi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis60%
- Heart failure47%
- Mood disorders47%
- Ischemic heart disease46%
- Depression44%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Elzi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Lee Elzi wrote 309 Medicare Part D claims in 2024
In 2024, Dr. Elzi wrote 309 Medicare Part D claims for 159 patients. 94% of them were for generic drugs. CMS names the drug for 117 of them, across 6 drugs with 11 or more claims each, at $746 in total drug cost. In 2023, CMS named 161 claims across 9 drugs.
Dr. Elzi's Part D claims by kind of drug, 2024
- Generic290 claims94%
- Brand-name19 claims6%
Dr. Elzi'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. Elzi's Part D claims, 2024
- Opioids6%20 of 309 claims
- Antibiotics26%81 of 309 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: 1612024: 11727%
Drugs named by CMS: 6 in 2024, 9 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
How Dr. William Lee Elzi takes part in Medicare
Dr. Elzi 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William Lee Elzi has worked on 1 clinical trial
Dmand AI links Dr. Elzi to 1 clinical trial. Conditions studied include Migraine Disorders and Headache Disorders, Primary.
Conditions in Dr. Elzi's trials
- Migraine Disorders
- Headache Disorders, Primary
Investigators on the most trials with Dr. Elzi
- Kevin M. Ahlers, MD1 shared trial
- Lawrence M. Allen, MD1 shared trial
- Cory G. Anderson, MD1 shared trial
Recent clinical trials with Dr. Elzi
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Lee Elzi received $286 in industry payments from 2016 to 2017
CMS Open Payments shows 15 general payments to Dr. Elzi from 8 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $92.
General payments to Dr. Elzi by program year, 2016 to 2017
Companies that paid Dr. Elzi the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Lee Elzi'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) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. William Lee Elzi
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 Lee Elzi's NPI number?
Dr. William Lee Elzi's NPI number is 1164500245. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Lee Elzi?
Dr. William Lee Elzi is an internist in Brownwood, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William Lee Elzi practice?
Dr. Elzi practices at 1501 Burnet Dr, Brownwood, TX 76801. Dr. Elzi's primary practice is Hendrick Medical Center Brownwood in Brownwood, Texas, part of Hendrick Health. Dmand AI also links Dr. Elzi to 1 physician office.
What is Dr. William Lee Elzi's office phone number?
The practice phone on file for Dr. Elzi is (325) 646-8541.
What is Dr. William Lee Elzi's medical license number?
Dr. Elzi holds Colorado license 34053.
Which hospitals is Dr. William Lee Elzi affiliated with?
Dr. Elzi practices at Hendrick Medical Center Brownwood in Brownwood, Texas. Dr. Elzi is also affiliated with CommonSpirit - St. Thomas More Hospital.
What medical group is Dr. William Lee Elzi part of?
Dr. Elzi is linked to Quantum Hospitalist Physicians PA.
Does Dr. William Lee Elzi accept Medicare?
Yes. CMS data shows Dr. Elzi billed Medicare for 739 services in 2024, and Dr. Elzi accepts Medicare assignment.
How many Medicare patients does Dr. William Lee Elzi see?
CMS counts 256 Medicare patients who saw Dr. Elzi in 2024, with an average age of 77.
What services does Dr. William Lee Elzi bill to Medicare?
In 2024, Dr. Elzi's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
What drugs does Dr. William Lee Elzi prescribe most?
In 2024 Medicare Part D data, Dr. Elzi's most prescribed drugs by claims were Prednisone, Doxycycline Hyclate and Cefdinir.
Has Dr. William Lee Elzi received payments from drug or device companies?
CMS Open Payments shows $286 in general payments to Dr. Elzi from 8 companies from 2016 to 2017. The largest total came from Allergan Inc.
How long has Dr. William Lee Elzi been practicing?
Dr. Elzi graduated from medical school in 1992, 34 years ago.
Does Dr. William Lee Elzi do research?
Dr. Elzi has worked on 1 clinical trial.
Selling to internal medicine practices?
See internists in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card