Keith Kersten, D.O.
NPI 1861445108 · Family Medicine Physician · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Kersten, D.O. is a Family Medicine Physician provider in Hattiesburg, MS (NPI 1861445108).
Provider details
- NPI number
- 1861445108
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 16793 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
693 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Assessment of Emotional Or Behavioral Problems96127 | 125 | $4 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 71 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 65 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $82 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 61 | $12 |
| Detection Test By Nucleic Acid for Respiratory Syncytial Virus, Amplified Probe Technique87634 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 152 | 144 |
| Fluticasone Propionate | 121 | 107 |
| Ibuprofen | 79 | 66 |
| Methylprednisolone | 62 | 58 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 50 | 47 |
| Mupirocin | 38 | 35 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 24 |
Practice location
Mailing address
Additional practice locations (1)
- 66 Old Airport RdHattiesburg, MS 39401-8382Phone: (601) 544-7500Fax: (601) 544-7524
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2025-09-14
- Certified
- 2025-09-14
Frequently asked questions
- What is Keith Kersten's NPI number?
- Keith Kersten's National Provider Identifier (NPI) is 1861445108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Kersten's specialty?
- Keith Kersten is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Kersten located?
- Keith Kersten's practice location on file with NPPES is 123 S 27th Ave, Hattiesburg, MS 39401-7136.
- What is Keith Kersten's phone number?
- The practice phone number listed in the NPPES registry for Keith Kersten is (601) 450-3030.
- Does Keith Kersten accept Medicare?
- Keith Kersten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Kersten's NPI active?
- Yes — Keith Kersten's NPI (1861445108) is active in the NPPES registry as of the last update on 2025-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.