DR. WILLIAM E. KERGOSIEN M.D.
NPI 1730109018
Family Medicine in Bay St Louis, MS

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
109 CARROLL AVE, BAY ST LOUIS, MS 39520(228) 467-6733 Get Directions Write a Review

NPPES record last updated: January 7, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William E. Kergosien M.d. NPPES

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

DR. WILLIAM E. KERGOSIEN M.D. (NPI 1730109018) is an individual family medicine provider in Bay St Louis, Mississippi, licensed in Mississippi (12138) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Angels Hospital, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1730109018
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. WILLIAM E. KERGOSIENCredential: M.D.
Location Address109 CARROLL AVEBay St Louis, MS 39520-4503
Mailing Address109 Carroll AveBay St Louis, MS 39520-4503 · (228) 467-6733
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateJuly 20, 2006
Last NPPES UpdateJanuary 7, 2013
NPI 1730109018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MS · 12138
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.
109 CARROLL AVE, Bay St Louis, MS 39520

Other Identifiers 4

Medicare UPINB23905MS
Medicare ID-Type Unspecified80E274MS
Medicare PIN302I931994MS
Medicaid00019189MS

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. William E. Kergosien M.d. 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 ID9436101003
PECOS Enrollment IDI20081009000436
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 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
153 services149 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
134 services129 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
34 services33 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
33 services33 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
22 services22 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Our Lady Of The Angels Hospital

Acute Care Hospitals · Bogalusa, LA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190312
Location433 Plaza StreetBogalusa, LA 70427 · Washington County
Emergency services Birthing friendly

Riverland Medical Center

Critical Access Hospitals · Ferriday, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number191318
Location6569 Hwy 84Ferriday, LA 71334 · Concordia County
Emergency services

Bon Secours Southampton Memorial Hospital

Acute Care Hospitals · Franklin, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490092
Location100 Fairview Drive - PO Box 817Franklin, VA 23851 · Franklin City County
Emergency services

Bon Secours Southern Virginia Medical Center

Acute Care Hospitals · Emporia, VA
OwnershipProprietary
CMS Certification Number490097
Location727 North Main StreetEmporia, VA 23847 · Emporia City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39520 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.

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 William Kergosien's NPI number?

The NPI number for William Kergosien is 1730109018. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is William Kergosien located?

William Kergosien practices at 109 Carroll Ave, Bay St Louis, MS 39520. The listed phone number is (228) 467-6733.

What is William Kergosien's specialty?

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

Is William Kergosien enrolled in Medicare?

Yes. William Kergosien 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 William Kergosien 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 2 other insurers list William Kergosien 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.

Is William Kergosien affiliated with any hospitals?

According to CMS data, William Kergosien is affiliated with Our Lady Of The Angels Hospital, Riverland Medical Center, Bon Secours Southampton Memorial Hospital and Bon Secours Southern Virginia Medical Center.

When was this NPI record last updated?

The NPPES record for William Kergosien was last updated on January 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.