William Leeson, M.D.
NPI 1588620447 · Family Medicine Physician · Santa Fe, NM
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Leeson, M.D. is a Family Medicine Physician provider in Santa Fe, NM (NPI 1588620447).
Provider details
- NPI number
- 1588620447
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD2005-0499 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
403 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 278 | $70 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 34 | $50 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 24 | $66 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus87502 | 23 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $100 |
| Automated Urinalysis Test81003 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 31 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 28 | 23 |
| Cephalexin | 27 | 27 |
| Doxycycline Monohydrate | 23 | 23 |
| Prednisone | 22 | 22 |
| Tizanidine Hcl | 13 | 13 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-20
- Last updated
- 2022-03-19
- Certified
- 2022-03-19
Frequently asked questions
- What is William Leeson's NPI number?
- William Leeson's National Provider Identifier (NPI) is 1588620447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Leeson's specialty?
- William Leeson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Leeson located?
- William Leeson's practice location on file with NPPES is 454 St Michaels Dr, Santa Fe, NM 87505-7602.
- What is William Leeson's phone number?
- The practice phone number listed in the NPPES registry for William Leeson is (505) 303-5000.
- Does William Leeson accept Medicare?
- William Leeson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Leeson's NPI active?
- Yes — William Leeson's NPI (1588620447) is active in the NPPES registry as of the last update on 2022-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.