Dr. Roy David Pennington, MD
- Medicare services, 2024
- 362
- Medicare patients, 2024
- 414
- Part D claims, 2024
- 11
- Hospital affiliations
- 1
- Industry payments
- $55
- Practice address
- 215 Marion Ave., Mccomb, MS 39648
- Practice phone
- Call (601) 249-5197
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southwest Mississippi Regional Medical Center - Mammography
Mammography / Breast Imaging Center · Mccomb, Mississippi
Find Dr. Pennington's professional email, personal email and mobile number
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Dr. Roy David Pennington is an anesthesiologist in Mccomb, Mississippi
Dr. Pennington practices at Southwest Mississippi Regional Medical Center - Mammography in Mccomb, Mississippi.
Dr. Pennington's NPI, 1770690091, was assigned on August 23, 2006. Dr. Pennington graduated from University of South Alabama College of Medicine in 1989. Dr. Pennington holds Mississippi license 13496.
- NPI
- 1770690091NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779616339
- NPI enumeration date
- August 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (601) 249-5197
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roy David Pennington practices at Southwest Mississippi Regional Medical Center - Mammography in Mccomb, Mississippi
Dr. Pennington's primary practice is Southwest Mississippi Regional Medical Center - Mammography, at 215 Marion Ave., Mccomb, MS 39648. The practice phone is (601) 249-5197.
- Southwest Mississippi Regional Medical Center - Mammography215 Marion Ave., Mccomb, MS 39648Phone(601) 249-5197
Source: Dmand AI Affiliation Data
Dr. Roy David Pennington is affiliated with 2 sites of care and 5 medical groups
Dr. Pennington's primary practice is Southwest Mississippi Regional Medical Center - Mammography in Mccomb, Mississippi. Dr. Pennington is also affiliated with Southwest Mississippi Regional Medical Center. The medical group on file is Perioperative Services of Mississippi. Dmand AI also links Dr. Pennington to 4 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roy David Pennington's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pennington practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southwest Mississippi Regional Medical Center - Mammography | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roy David Pennington is one of 226 anesthesiologists in Mississippi
Anesthesiology is Dr. Pennington's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Pennington is licensed in Mississippi.
Specialties and state licenses
- Anesthesiology, MississippiPrimary
Anesthesiologists near Dr. Pennington
Counts of anesthesiologists 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
Dr. Roy David Pennington billed Medicare for 362 services in 2024
CMS data shows 362 Medicare services from Dr. Pennington across 6 procedure codes in 2024, for 414 Medicare patients. Medicare paid $16,043 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pennington's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 4622024: 36222%
Dr. Pennington compared with the Mississippi median for anesthesiologists, 2024
- Dr. Pennington
- Mississippi median
- Medicare services
- 362vs 1672.2 times
- Medicare patients
- 414vs 23874% above
Medians across 248 anesthesiologists in Mississippi with Dmand AI profiles that report each measure.
Dr. Pennington's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pennington and other anesthesiologists in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roy David Pennington treated 414 Medicare patients in 2024, average age 73
CMS counts 414 Medicare patients who saw Dr. Pennington in 2024. The largest group is 65 to 74, with 183 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Pennington's median patient age at 70, with 57% women.
Dr. Pennington's Medicare patients by age, 2024
Dr. Pennington's Medicare patients by sex, 2024
- Women23457%
- Men18043%
Chronic conditions among Dr. Pennington's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease43%
- Diabetes40%
- Anxiety34%
- Mood disorders33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pennington's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roy David Pennington wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Pennington wrote 11 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Roy David Pennington takes part in Medicare
Dr. Pennington 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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Dr. Roy David Pennington received $55 in industry payments from 2017 to 2024
CMS Open Payments shows 3 general payments to Dr. Pennington from 3 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Eagle Pharmaceuticals, Inc. paid the most, $24.
General payments to Dr. Pennington by program year, 2017 to 2024
Companies that paid Dr. Pennington the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roy David Pennington graduated from University of South Alabama College of Medicine
Dr. Pennington graduated from University of South Alabama College of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roy David Pennington'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Roy David Pennington
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What is Dr. Roy David Pennington's NPI number?
Dr. Roy David Pennington's NPI number is 1770690091. It was assigned on August 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roy David Pennington?
Dr. Roy David Pennington is an anesthesiologist in Mccomb, Mississippi. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Roy David Pennington practice?
Dr. Pennington practices at 215 Marion Ave., Mccomb, MS 39648. Dr. Pennington's primary practice is Southwest Mississippi Regional Medical Center - Mammography in Mccomb, Mississippi. Dmand AI also links Dr. Pennington to 4 medical groups.
What is Dr. Roy David Pennington's office phone number?
The practice phone on file for Dr. Pennington is (601) 249-5197.
What is Dr. Roy David Pennington's medical license number?
Dr. Pennington holds Mississippi license 13496.
Which hospitals is Dr. Roy David Pennington affiliated with?
Dr. Pennington is affiliated with Southwest Mississippi Regional Medical Center.
What medical group is Dr. Roy David Pennington part of?
Dr. Pennington is linked to Perioperative Services of Mississippi. Dmand AI links Dr. Pennington to 4 more medical groups.
Does Dr. Roy David Pennington accept Medicare?
Yes. CMS data shows Dr. Pennington billed Medicare for 362 services in 2024, and Dr. Pennington accepts Medicare assignment.
How many Medicare patients does Dr. Roy David Pennington see?
CMS counts 414 Medicare patients who saw Dr. Pennington in 2024, with an average age of 73.
What services does Dr. Roy David Pennington bill to Medicare?
In 2024, Dr. Pennington's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00142).
Show 3 more questionsShow fewer questions
Where did Dr. Roy David Pennington go to medical school?
Dr. Pennington graduated from University of South Alabama College of Medicine in 1989.
Has Dr. Roy David Pennington received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Dr. Pennington from 3 companies from 2017 to 2024. The largest total came from Eagle Pharmaceuticals, Inc.
How long has Dr. Roy David Pennington been practicing?
Dr. Pennington graduated from medical school in 1989, 37 years ago.
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