Mark Andrew Rountree, P.A.
Physician Assistant · Ocean Springs, MS
Mark Andrew Rountree, P.A. is a physician assistant with a practice address in Ocean Springs, Mississippi, and NPI 1265414775, issued on Nov 18, 2005. Check the license with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Rountree
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 113 Brackish PL, Ocean Springs, MS 39564
- Phone
- (701) 240-4191
- Enumerated
- Nov 18, 2005
- Record last updated
- Apr 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131014000654); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 338 in Mississippi → Look up another NPI →
Verify Mark Andrew Rountree in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average physician assistant in 2024
247 Medicare Part D claims for 157 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate77 claims
- Ipratropium Bromide44 claims
- Ofloxacin42 claims
- Fluocinolone Acetonide Oil16 claims
- Amoxicillin-Clavulanate Potass13 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: $644.96
31 payments; by number, the most common kind was food and beverage; the largest payer was Csl Behring. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Bay Area Ent, PLLCOcean Springs, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Andrew Rountree among 338 physician assistant records in Mississippi
Mark Andrew Rountree, P.A. is one of 338 physician assistant records with a practice address in Mississippi. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2020 among the 223 with a school on file
- Record last updated2014 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 physician assistant records list a practice address in Ocean Springs
They are 18 of the 692 NPPES records with a practice address in Ocean Springs, and 338 physician assistant records in Mississippi.
All 338 in Mississippi → Every provider in Ocean Springs → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mary Adams, PA-COcean Springs, MS 395641104570738
- David Beeson, PAOcean Springs, MS 395641356461784
- Madison Brown, PA-COcean Springs, MS 395641356796577
- Karmen Clark, PA-COcean Springs, MS 395641619035029
- Taylor Covington, PA-COcean Springs, MS 395641649552563
- Erica Cross, PAOcean Springs, MS 395641255610598
- Rebecca Guice, PA-COcean Springs, MS 395641811445414
- Elizabeth Heroux, PAOcean Springs, MS 395641063174266
Common questions
What is Mark Andrew Rountree, P.A.'s NPI number?
Mark Andrew Rountree, P.A.'s National Provider Identifier (NPI) is 1265414775, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Rountree, P.A. located?
The NPPES record lists a practice address at 113 Brackish PL, Ocean Springs, MS, 39564. Phone: (701) 240-4191. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Rountree, P.A.'s license?
Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Andrew Rountree, P.A. prescribe under Medicare Part D?
In 2024, Mark Andrew Rountree, P.A. had 247 Medicare Part D claims for 157 beneficiaries; the average among physician assistant prescribers was 830. 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.