Katherine O'Neal Royals, M.D.
Family Medicine Physician · Hattiesburg, MS
Katherine O'Neal Royals, M.D. is a family medicine physician with a practice address in Hattiesburg, Mississippi, and NPI 1013357334, issued on Jul 1, 2013. Check the license (Mississippi 24377, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Katherine O'Neal Royals
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 24377 MS
Self-reported in NPPES; status is on the state search - Practice location
- 15 Orleans Dr, Hattiesburg, MS 39402
- Phone
- (601) 579-5050
- Enumerated
- Jul 1, 2013
- Record last updated
- Jun 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (601) 579-5240
- Medicaid ID
- 03957766 MS
- Medicare enrollment
- Enrolled (PECOS I20160917000081); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,165 in Mississippi → Look up another NPI →
Also registered at 15 Orleans Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Weiss, MDRheumatology Physician1851431159
Verify Katherine O'Neal Royals in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 24377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,644 Medicare Part D claims for 416 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 129 claims were for opioids.
Most prescribed
- Atorvastatin Calcium342 claims
- Rosuvastatin Calcium333 claims
- Losartan Potassium329 claims
- Amlodipine Besylate302 claims
- Lisinopril230 claims
- Pantoprazole Sodium195 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: $1,164.79
75 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Hattiesburg Clinic PAPurvis, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine O'Neal Royals among 1,165 family medicine physician records in Mississippi
Katherine O'Neal Royals, M.D. is one of 1,165 family medicine physician 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 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2003 among the 748 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 family medicine physician records list a practice address in Hattiesburg
They are 63 of the 2,569 NPPES records with a practice address in Hattiesburg, and 1,165 family medicine physician records in Mississippi.
All 1,165 in Mississippi → Every provider in Hattiesburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Katherine Alexis, MDHattiesburg, MS 394021861416042
- Lisa Bushardt, MDHattiesburg, MS 394021669488979
- Glenn Campbell, MDHattiesburg, MS 394021063429470
- Chad Diamond, DOHattiesburg, MS 394021124023098
- Charles Fillingane, DOHattiesburg, MS 394021346261195
- Joshua Hand, M.D.Hattiesburg, MS 394021689664039
- Wayne Hughes, MDHattiesburg, MS 394021093719601
- Stephen Lambert, MDHattiesburg, MS 394021851395479
Common questions
What is Katherine O'Neal Royals, M.D.'s NPI number?
Katherine O'Neal Royals, M.D.'s National Provider Identifier (NPI) is 1013357334, issued on Jul 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katherine O'Neal Royals, M.D. located?
The NPPES record lists a practice address at 15 Orleans Dr, Hattiesburg, MS, 39402. Phone: (601) 579-5050. Providers update this record themselves, so call before visiting.
How can I verify Katherine O'Neal Royals, M.D.'s license?
NPPES lists Mississippi license number 24377, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine O'Neal Royals, M.D. prescribe under Medicare Part D?
In 2024, Katherine O'Neal Royals, M.D. had 7,644 Medicare Part D claims for 416 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.