William St. Martin, MD
NPI 1629004601 · Family Medicine Physician · Houma, LA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William St. Martin, MD is a Family Medicine Physician provider in Houma, LA (NPI 1629004601).
Provider details
- NPI number
- 1629004601
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 021376 (LA)
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
19 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
1,599 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 398 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 312 | $84 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 203 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 177 | $168 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 163 | $111 |
| X-Ray of Chest, 2 Views71046 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 278 | 58 |
| Metformin Hcl | 213 | 57 |
| Amlodipine Besylate | 180 | 50 |
| Montelukast Sodium | 149 | 47 |
| Semaglutidebrand: Ozempic | 149 | 22 |
| Atorvastatin Calcium | 129 | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2008-03-31
Frequently asked questions
- What is William St. Martin's NPI number?
- William St. Martin's National Provider Identifier (NPI) is 1629004601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William St. Martin's specialty?
- William St. Martin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William St. Martin located?
- William St. Martin's practice location on file with NPPES is 818 Verret Street, Houma, LA 70360.
- What is William St. Martin's phone number?
- The practice phone number listed in the NPPES registry for William St. Martin is (985) 857-8001.
- Does William St. Martin accept Medicare?
- William St. Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William St. Martin's NPI active?
- Yes — William St. Martin's NPI (1629004601) is active in the NPPES registry as of the last update on 2008-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.