TESSA HELSEL DO
NPI 1316567415
Family Medicine in Bay St Louis, MS

Active since April 20, 2020PECOS EnrolledAccepts Medicare Assignment
835 THAMES AVE, BAY ST LOUIS, MS 39520(228) 575-2383 Get Directions Write a Review

NPPES record last updated: November 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2022, Apr 20, 2020 (2 updates tracked since 2020).

About Tessa Helsel Do NPPES

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

TESSA HELSEL DO (NPI 1316567415) is an individual family medicine provider in Bay St Louis, Mississippi, licensed in Mississippi (36014) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital At Gulfport, and is a graduate of William Carey University College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1316567415
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameTESSA HELSELCredential: DO
Location Address835 THAMES AVEBay St Louis, MS 39520-5005
Mailing Address308 Saint Charles St Unit ABay St Louis, MS 39520-3310 · (228) 344-5511
Sole ProprietorNo
Medical School CMSWilliam Carey University College Of Osteopathic MedicineGraduated 2020
Enumeration DateApril 20, 2020
Last NPPES UpdateNovember 1, 20252 updates tracked since enumeration
NPPES CertifiedNovember 1, 2025
✔ NPI 1316567415 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 · 36014
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.
835 THAMES AVE, Bay St Louis, MS 39520

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tessa Helsel Do 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 ID9335616325
PECOS Enrollment IDI20260428000605
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.

Medicare Billing Reassignment

Medicare enrollment records show Tessa Helsel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
835 THAMES AVE
Bay St Louis, MS 39520
  • Reassigned Medicare billing, Mississippi enrollment
  • 731 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Memorial Hospital At Gulfport

Acute Care Hospitals · Gulfport, MS
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number250019
Location4500 13th StreetGulfport, MS 39502 · Harrison County
Emergency services Birthing friendly

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.

Other Providers at the Same Location NPPES 7

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

Internal Medicine
835 THAMES AVE
BAY ST LOUIS, MS 39520
Internal Medicine
835 THAMES AVE, SUITE A
BAY ST LOUIS, MS 39520
Nurse Practitioner (Family)
835 THAMES AVE
BAY ST LOUIS, MS 39520
Internal Medicine
835 THAMES AVE
BAY ST LOUIS, MS 39520
Pediatrics
835 THAMES AVE, SUITE B
BAY ST LOUIS, MS 39520
Nurse Practitioner (Family)
835 THAMES AVE
BAY ST LOUIS, MS 39520
Internal Medicine
835 THAMES AVE
BAY ST LOUIS, MS 39520

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 Tessa Helsel's NPI number?

The NPI number for Tessa Helsel is 1316567415. It was assigned to this individual provider in the NPPES registry on April 20, 2020.

Where is Tessa Helsel located?

Tessa Helsel practices at 835 Thames Ave, Bay St Louis, MS 39520. The listed phone number is (228) 575-2383.

What is Tessa Helsel's specialty?

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

Is Tessa Helsel enrolled in Medicare?

Yes. Tessa Helsel 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.

Which organization bills Medicare for Tessa Helsel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tessa Helsel reassigns Medicare benefits to Memorial Hospital At Gulfport (Bay St Louis, MS). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tessa Helsel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tessa Helsel accept?

Health plans from Cigna Healthcare, Molina Healthcare, Oscar Health Plan, Inc. and UnitedHealthcare list Tessa Helsel 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 Tessa Helsel affiliated with any hospitals?

According to CMS data, Tessa Helsel is affiliated with Memorial Hospital At Gulfport.

When was this NPI record last updated?

The NPPES record for Tessa Helsel was last updated on November 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.