Mark Stephen Dennis, M.D.
Interventional Pain Medicine Physician · Mandeville, LA
Mark Stephen Dennis, M.D. is an interventional pain medicine physician with a practice address in Mandeville, Louisiana, and NPI 1801866215, issued on Jan 26, 2006. Check the license (Louisiana 019030, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Stephen Dennis
- Credential
- M.D.
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- 019030 LA
Self-reported in NPPES; status is on the state search - Practice location
- 235 Saint Ann Dr, Mandeville, LA 70471
- Phone
- (985) 727-7275
- Enumerated
- Jan 26, 2006
- Record last updated
- Sep 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (985) 727-7915
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 59 in Louisiana → Look up another NPI →
Also registered at 235 Saint Ann Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Applebaum, CRNACertified Registered Nurse Anesthetist1760570048
- Paula Fontana, CRNACertified Registered Nurse Anesthetist1679576193
- Darryl Lodato, APRN-CRNACertified Registered Nurse Anesthetist1932143260
Verify Mark Stephen Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 019030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
166 Medicare Part D claims for 75 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin32 claims
- Duloxetine Hcl19 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.
Industry payments in 2024: $27.10
1 payment: food and beverage; the largest payer was Virtus Pharmaceuticals LLC. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Stephen Dennis among 59 interventional pain medicine physician records in Louisiana
Mark Stephen Dennis, M.D. is one of 59 interventional pain medicine physician records with a practice address in Louisiana. 92% 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, 49% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in Louisiana
There are 59 interventional pain medicine physician records in Louisiana.
All 59 in Louisiana → Every provider in Mandeville → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- Tod AustSlidell, LA 704581609191212
- Steve Lee, MDSlidell, LA 704581699971465
- Thomas Berry, M.D.Lacombe, LA 704451629243431
- Corey Ann Conn, M.D.Covinton, LA 704331891765285
- Chad Domangue, MDCovington, LA 704331629286646
- Lisa Jaubert, MDCovington, LA 704331144410796
- Allan Parr, M.D.Covington, LA 704331194795575
- Donald Richardson, M.D.Covington, LA 704331184676488
Common questions
What is Mark Stephen Dennis, M.D.'s NPI number?
Mark Stephen Dennis, M.D.'s National Provider Identifier (NPI) is 1801866215, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Stephen Dennis, M.D. located?
The NPPES record lists a practice address at 235 Saint Ann Dr, Mandeville, LA, 70471. Phone: (985) 727-7275. Providers update this record themselves, so call before visiting.
How can I verify Mark Stephen Dennis, M.D.'s license?
NPPES lists Louisiana license number 019030, 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 Mark Stephen Dennis, M.D. prescribe under Medicare Part D?
In 2024, Mark Stephen Dennis, M.D. had 166 Medicare Part D claims for 75 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. 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.