Mark Andrew Rountree, PA
- Medicare patients, 2024
- 358
- Part D claims, 2024
- 247
- Industry payments
- $419
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1137 Ocean Springs Rd Bay Area, Ocean Springs, MS 39564-3421
- Practice phone
- Call (228) 875-8291
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bay Area ENT
Surgical practice · Ocean Springs, Mississippi
Find Mark Rountree's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mark Andrew Rountree is a physician assistant in Ocean Springs, Mississippi
Mark Rountree practices at Bay Area ENT in Ocean Springs, Mississippi.
Mark Rountree's NPI, 1265414775, was assigned on November 18, 2005.
- NPI
- 1265414775NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002040722
- NPI enumeration date
- November 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (228) 875-8291
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Andrew Rountree practices at Bay Area ENT in Ocean Springs, Mississippi
Mark Rountree's primary practice is Bay Area ENT, at 1137 Ocean Springs Rd Bay Area, Ocean Springs, MS 39564-3421. The practice phone is (228) 875-8291.
- Bay Area ENT1137 Ocean Springs Rd Bay Area, Ocean Springs, MS 39564-3421Phone(228) 875-8291
Source: Dmand AI Affiliation Data
Mark Andrew Rountree is affiliated with 1 site of care and 1 medical group
Mark Rountree's primary practice is Bay Area ENT in Ocean Springs, Mississippi. The medical group on file is Bay Area ENT.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Andrew Rountree's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Rountree practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bay Area ENT | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Andrew Rountree is one of 305 physician assistants in Mississippi
Physician assistant is Mark Rountree's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Mark Rountree
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mark Andrew Rountree treated 358 Medicare patients in 2024, average age 78
CMS counts 358 Medicare patients who saw Mark Rountree in 2024. The largest group is 75 to 84, with 147 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Rountree's median patient age at 63, with 57% women.
Mark Rountree's Medicare patients by age, 2024
Mark Rountree's Medicare patients by sex, 2024
- Women21761%
- Men14139%
Chronic conditions among Mark Rountree's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Chronic kidney disease33%
- Ischemic heart disease33%
- Diabetes28%
- Mood disorders23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Mark Rountree's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Andrew Rountree wrote 247 Medicare Part D claims in 2024
In 2024, Mark Rountree wrote 247 Medicare Part D claims for 157 patients. 98% of them were for generic drugs.
Mark Rountree's Part D claims by kind of drug, 2024
- Generic241 claims98%
- Brand-name and other6 claims2%
Drug classes CMS tracks in Mark Rountree's Part D claims, 2024
- Antibiotics14%35 of 247 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mark Andrew Rountree takes part in Medicare
Mark Rountree accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Mark Andrew Rountree received $419 in industry payments in 2025
CMS Open Payments shows 17 general payments to Mark Rountree from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $108.
Companies that paid Mark Rountree the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark Andrew Rountree's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mark Andrew Rountree
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Andrew Rountree's NPI number?
Mark Andrew Rountree's NPI number is 1265414775. It was assigned on November 18, 2005, and it is active in the NPI Registry.
What does Mark Andrew Rountree specialize in?
Mark Andrew Rountree is a physician assistant in Ocean Springs, Mississippi. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mark Andrew Rountree practice?
Mark Rountree practices at 1137 Ocean Springs Rd Bay Area, Ocean Springs, MS 39564-3421. Mark Rountree's primary practice is Bay Area ENT in Ocean Springs, Mississippi.
What is Mark Andrew Rountree's office phone number?
The practice phone on file for Mark Rountree is (228) 875-8291.
What medical group is Mark Andrew Rountree part of?
Mark Rountree is linked to Bay Area ENT.
Does Mark Andrew Rountree accept Medicare?
Yes. CMS lists Mark Rountree as accepting Medicare assignment.
How many Medicare patients does Mark Andrew Rountree see?
CMS counts 358 Medicare patients who saw Mark Rountree in 2024, with an average age of 78.
Has Mark Andrew Rountree received payments from drug or device companies?
CMS Open Payments shows $419 in general payments to Mark Rountree from 6 companies from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Mark Andrew Rountree been practicing?
Mark Rountree graduated from medical school in 2002, 24 years ago.
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