DR. KEITH A KERSTEN D.O.
NPI 1861445108
Family Medicine in Hattiesburg, MS

Active since May 18, 2006PECOS EnrolledAccepts Medicare Assignment
123 S 27TH AVE, HATTIESBURG, MS 39401(601) 450-3030(601) 450-3031 Get Directions Write a Review

NPPES record last updated: September 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 14, 2025, May 14, 2019 (2 updates tracked since 2019).

About Dr. Keith A Kersten D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KEITH A KERSTEN D.O. (NPI 1861445108) is an individual family medicine provider in Hattiesburg, Mississippi, licensed in Mississippi (16793) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Hattiesburg, and is a graduate of Ohio University, College Of Osteopathic Medicine (1984).

NPPES Registry Identity

NPI1861445108
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KEITH A KERSTENCredential: D.O.
Location Address123 S 27TH AVEHattiesburg, MS 39401-7136
Mailing AddressPo Box 1729Hattiesburg, MS 39403-1729 · (601) 545-3700 · Fax (601) 450-2493
Fax(601) 450-3031
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 1984
Enumeration DateMay 18, 2006
Last NPPES UpdateSeptember 14, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2025
NPI 1861445108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in MS · 16793 Licensed in LA · 328332
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 16793 (MS)

Secondary Practice Location 1

Location 166 Old Airport RdHattiesburg, MS 39401-8382 · Phone (601) 544-7500 · Fax (601) 544-7524

Other Identifiers 5

OtherP00718593MS · Railroad Medicare
Other4122846MS · Aetna
Medicaid1145459LA
Medicaid00124654MS
Other10980253MS · Caqh Id Number

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Keith A Kersten D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719960848
PECOS Enrollment IDI20210923002330
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
448 services44 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
125 services114 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
71 services45 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
65 services61 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
62 services58 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
61 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Federally Qualified Health Center (FQHC))
123 S 27TH AVE
HATTIESBURG, MS 39401

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Keith Kersten's NPI number?

The NPI number for Keith Kersten is 1861445108. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Keith Kersten located?

Keith Kersten practices at 123 S 27th Ave, Hattiesburg, MS 39401. The listed phone number is (601) 450-3030.

What is Keith Kersten's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Keith Kersten enrolled in Medicare?

Yes. Keith Kersten is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Keith Kersten accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 5 other insurers list Keith Kersten as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Keith Kersten was last updated on September 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.