William A. Leeson, M.D.
Family Medicine Physician · Santa Fe, NM
William A. Leeson, M.D. is a family medicine physician with a practice address in Santa Fe, New Mexico, and NPI 1588620447, issued on Apr 20, 2006. Check the license (New Mexico MD2005-0499, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.
- Name
- William A. Leeson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD2005-0499 NM
Self-reported in NPPES; status is on the state search - Practice location
- 454 St Michaels Dr, Santa Fe, NM 87505
- Phone
- (505) 303-5000
- Enumerated
- Apr 20, 2006
- Record last updated
- Mar 19, 2022
- Medicaid ID
- 37107704 NM
- Medicare enrollment
- Enrolled (PECOS I20060110001074); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,287 in New Mexico → Look up another NPI →
Also registered at 454 St Michaels Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aamer Rehman, MDCardiovascular Disease Physician1336381342
Verify William A. Leeson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Mexico Medical Board
Search for license MD2005-0499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
284 Medicare Part D claims for 224 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro31 claims
- Albuterol Sulfate Hfa28 claims
- Cephalexin27 claims
- Doxycycline Monohydrate23 claims
- Prednisone22 claims
- Tizanidine Hcl13 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 2 group practices
- Presbyterian Healthcare ServicesSanta Fe, NM
- St Vincent HospitalSanta Fe, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Leeson among 1,287 family medicine physician records in New Mexico
William A. Leeson, M.D. is one of 1,287 family medicine physician records with a practice address in New Mexico. 72% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 51% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1995 · median 2008 among the 727 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 family medicine physician records list a practice address in Santa Fe
They are 122 of the 4,551 NPPES records with a practice address in Santa Fe, and 1,287 family medicine physician records in New Mexico.
All 1,287 in New Mexico → Every provider in Santa Fe → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Blakeburn, MDSanta Fe, NM 875051164419560
- Dean Branson, DOSanta Fe, NM 875051477541712
- Eric Grasser, M.D.Santa Fe, NM 875051962474635
- Kurt Kastendieck, MDSanta Fe, NM 875051003804923
- Frederick Kullman, M.D.Santa Fe, NM 875051649276981
- Julie Martinez, MDSanta Fe, NM 875051598753782
- Leah Morton, M.D.Santa Fe, NM 875051659353985
- Mario Pacheco, MDSanta Fe, NM 875051295703809
Common questions
What is William A. Leeson, M.D.'s NPI number?
William A. Leeson, M.D.'s National Provider Identifier (NPI) is 1588620447, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Leeson, M.D. located?
The NPPES record lists a practice address at 454 St Michaels Dr, Santa Fe, NM, 87505. Phone: (505) 303-5000. Providers update this record themselves, so call before visiting.
How can I verify William A. Leeson, M.D.'s license?
NPPES lists New Mexico license number MD2005-0499, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William A. Leeson, M.D. prescribe under Medicare Part D?
In 2024, William A. Leeson, M.D. had 284 Medicare Part D claims for 224 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.