William H. St. Martin, MD
Family Medicine Physician · Houma, LA
William H. St. Martin, MD is a family medicine physician with a practice address in Houma, Louisiana, and NPI 1629004601, issued on Jun 23, 2006. Check the license (Louisiana 021376, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William H. St. Martin
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 021376 LA
Self-reported in NPPES; status is on the state search - Practice location
- 818 Verret Street, Houma, LA 70360
- Phone
- (985) 857-8001
- Enumerated
- Jun 23, 2006
- Record last updated
- Mar 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (985) 857-8330
- Medicare enrollment
- Enrolled (PECOS I20100824000252); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 818 Verret Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Rau, M.D.Family Medicine Physician1245525419
Verify William H. St. Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 021376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average family medicine physician in 2024
5,681 Medicare Part D claims for 370 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 77 claims were for opioids.
Most prescribed
- Levothyroxine Sodium278 claims
- Metformin Hcl213 claims
- Amlodipine Besylate180 claims
- Montelukast Sodium149 claims
- Ozempic149 claims
- Atorvastatin Calcium129 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
- Physician Practice PartnersHouma, LA
- William H. St. Martin, M.D. A Professional CorpoHouma, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William H. St. Martin among 1,728 family medicine physician records in Louisiana
William H. St. Martin, MD is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1994 · median 2006 among the 1,201 with a school on file
- Record last updated2008 · 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 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family medicine physician records list a practice address in Houma
They are 20 of the 1,604 NPPES records with a practice address in Houma, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Houma → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Danielle Angeron, M.D.Houma, LA 703601508059536
- Kirk Dantin, MDHouma, LA 703601679622732
- Bruce Guidry, M.D.Houma, LA 703601356300727
- Andre Guidry, MDHouma, LA 703601780734475
- Richard Haydel, M.D.Houma, LA 703601578658555
- Scott Haydel, M.D.Houma, LA 703601720173719
- Brian Matherne, M.D.Houma, LA 703601437118890
- Nicole McKee, M.D.Houma, LA 703601043279482
Common questions
What is William H. St. Martin, MD's NPI number?
William H. St. Martin, MD's National Provider Identifier (NPI) is 1629004601, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William H. St. Martin, MD located?
The NPPES record lists a practice address at 818 Verret Street, Houma, LA, 70360. Phone: (985) 857-8001. Providers update this record themselves, so call before visiting.
How can I verify William H. St. Martin, MD's license?
NPPES lists Louisiana license number 021376, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William H. St. Martin, MD prescribe under Medicare Part D?
In 2024, William H. St. Martin, MD had 5,681 Medicare Part D claims for 370 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.