William Lee Elzi, MD
Internal Medicine Physician · Canon City, CO
William Lee Elzi, MD is an internal medicine physician with a practice address in Canon City, Colorado, and NPI 1164500245, issued on Nov 2, 2006. Check the license (Colorado 34053, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Lee Elzi
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34053 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1338 Phay Ave, Canon City, CO 81212
- Phone
- (720) 938-5022
- Enumerated
- Nov 2, 2006
- Record last updated
- Aug 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 01340538 CO
- Medicare enrollment
- Enrolled (PECOS I20110718000706); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 1338 Phay Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephan Abraas, PTPhysical Therapist1669678215
- Teri Alberty, CRNACertified Registered Nurse Anesthetist1588851497
- Diane Alvies, FNP-BCFamily Nurse Practitioner1740421817
- Timothy Andrews, OTR, CHTOccupational Therapist1053655118
- Alec Bower, D.O.Emergency Medicine Physician1023456258
- Marsha Coberly, CFNPNurse Practitioner1023044047
Verify William Lee Elzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 34053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
309 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 20 claims were for opioids.
Most prescribed
- Prednisone26 claims
- Doxycycline Hyclate22 claims
- Cefdinir21 claims
- Furosemide18 claims
- Potassium Chloride18 claims
- Amoxicillin-Clavulanate Potass12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Quantum Emergency Physicians PABrownwood, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Lee Elzi among 2,046 internal medicine physician records in Colorado
William Lee Elzi, MD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1992 · median 2006 among the 1,090 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Canon City
They are 7 of the 583 NPPES records with a practice address in Canon City, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Canon City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Barbee, M.D.Canon City, CO 812121992096242
- Christopher Buchanan, MDCanon City, CO 812121245227040
- Terry Clower, M.D.Canon City, CO 812121528066123
- Kerry Larson, M.D.Canon City, CO 812121760465777
- Thomas McGuire, MDCanon City, CO 812121356351969
- Anton Sabiev, M.D.Canon City, CO 812121871042440
- John Ellis, MDSalida, CO 812011811974629
- Erika Gelgand, MDSalida, CO 812011518911122
Common questions
What is William Lee Elzi, MD's NPI number?
William Lee Elzi, MD's National Provider Identifier (NPI) is 1164500245, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Lee Elzi, MD located?
The NPPES record lists a practice address at 1338 Phay Ave, Canon City, CO, 81212. Phone: (720) 938-5022. Providers update this record themselves, so call before visiting.
How can I verify William Lee Elzi, MD's license?
NPPES lists Colorado license number 34053, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Lee Elzi, MD prescribe under Medicare Part D?
In 2024, William Lee Elzi, MD had 309 Medicare Part D claims for 159 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.