Keith A. Kersten, D.O.
Family Medicine Physician · Hattiesburg, MS
Keith A. Kersten, D.O. is a family medicine physician with a practice address in Hattiesburg, Mississippi, and NPI 1861445108, issued on May 18, 2006. Check the license (Mississippi 16793, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Keith A. Kersten
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 16793 MS
328332 LA
Self-reported in NPPES; status is on the state search - Practice location
- 123 S 27TH Ave, Hattiesburg, MS 39401
- Phone
- (601) 450-3030
- Enumerated
- May 18, 2006
- Record last updated
- Sep 14, 2025
- Fax
- (601) 450-3031
- Medicaid IDs
- 1145459 LA
00124654 MS - Medicare enrollment
- Enrolled (PECOS I20210923002330); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1984
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,165 in Mississippi → Look up another NPI →
Verify Keith A. Kersten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 16793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average family medicine physician in 2024
987 Medicare Part D claims for 527 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Azithromycin152 claims
- Fluticasone Propionate121 claims
- Ibuprofen79 claims
- Methylprednisolone62 claims
- Sulfamethoxazole-Trimethoprim50 claims
- Mupirocin38 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.
Bills Medicare through 2 group practices
- Rapid Urgent Care IncMandeville, LA
- Southeast Mississippi Rural Health Initiative, Inc.Picayune, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith A. Kersten among 1,165 family medicine physician records in Mississippi
Keith A. Kersten, D.O. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 48% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1984 · median 2003 among the 748 with a school on file
- Record last updated2025 · 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
- William Arnett, MDHattiesburg, MS 394011992729172
- Pacita Coss, MDHattiesburg, MS 394011326056714
- Roderick Cutrer, MDHattiesburg, MS 394011427066752
- Omelia Danford, MDHattiesburg, MS 394011205844560
- Kenneth Gooch, M.D.Hattiesburg, MS 394011275547564
- Cierra Green, M.D.Hattiesburg, MS 394011063709525
- Thomas Hale, MDHattiesburg, MS 394011790797389
- John Johnson, MDHattiesburg, MS 394011285748137
Common questions
What is Keith A. Kersten, D.O.'s NPI number?
Keith A. Kersten, D.O.'s National Provider Identifier (NPI) is 1861445108, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith A. Kersten, D.O. located?
The NPPES record lists a practice address at 123 S 27TH Ave, Hattiesburg, MS, 39401. Phone: (601) 450-3030. Providers update this record themselves, so call before visiting.
How can I verify Keith A. Kersten, D.O.'s license?
NPPES lists Mississippi license number 16793, 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 Keith A. Kersten, D.O. prescribe under Medicare Part D?
In 2024, Keith A. Kersten, D.O. had 987 Medicare Part D claims for 527 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.