M. Gray Napier, M.D.
Nephrology Physician · Covington, LA
M. Gray Napier, M.D. is a nephrology physician with a practice address in Covington, Louisiana, and NPI 1609841428, issued on Feb 23, 2006. Check the license (Louisiana 200812, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- M. Gray Napier
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 200812 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1202 S. Tyler Street, Covington, LA 70433
- Phone
- (985) 898-4194
- Enumerated
- Feb 23, 2006
- Record last updated
- Mar 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (985) 898-4164
- Medicaid ID
- 1529621 LA
- Medicare enrollment
- Enrolled (PECOS I20060710000153); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 219 in Louisiana → Look up another NPI →
Also registered at 1202 S. Tyler Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify M. Gray Napier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 200812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Belle Chasse Physician Services LLCSlidell, LA
- St Tammany Parish Hospital Service District NO 1Covington, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
M. Gray Napier among 219 nephrology physician records in Louisiana
M. Gray Napier, M.D. is one of 219 nephrology physician records with a practice address in Louisiana. 90% 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 24% of them.
- NPI issued2006 · 24% of these records are older, 47% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1997 · median 2001 among the 172 with a school on file
- Record last updated2016 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Louisiana
There are 219 nephrology physician records in Louisiana.
All 219 in Louisiana → Every provider in Covington → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- John Angelo, MDCovington, LA 704331538143599
- Brandon Bean, MDCovington, LA 704331356427199
- Tammy Do, MDCovington, LA 704331013596436
- Melissa Inman, MDCovington, LA 704331750608006
- Jon Mares, D.O.Covington, LA 704331023375300
- Imran Shuja, M.D.Covington, LA 704331922493030
- John Simon, MDCovington, LA 704331760489892
- Peter Van, MDCovington, LA 704331134330400
Common questions
What is M. Gray Napier, M.D.'s NPI number?
M. Gray Napier, M.D.'s National Provider Identifier (NPI) is 1609841428, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is M. Gray Napier, M.D. located?
The NPPES record lists a practice address at 1202 S. Tyler Street, Covington, LA, 70433. Phone: (985) 898-4194. Providers update this record themselves, so call before visiting.
How can I verify M. Gray Napier, M.D.'s license?
NPPES lists Louisiana license number 200812, 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.
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.