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DAVID SEIGNIOUS M.D.
NPI 1891726287
Internal Medicine in Johns Island, SC

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
3312 MAYBANK HWY, SUITE A, JOHNS ISLAND, SC 29455(843) 557-1111(843) 557-1050 Get Directions Write a Review

NPPES record last updated: April 10, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About David Seignious M.d. NPPES

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

DAVID SEIGNIOUS M.D. (NPI 1891726287) is an individual internal medicine provider in Johns Island, South Carolina, licensed in South Carolina (13235) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Medical University Of South Carolina College Of Medicine (1984).

NPPES Registry Identity

NPI1891726287
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDAVID SEIGNIOUSCredential: M.D.
Location Address3312 MAYBANK HWY, SUITE AJohns Island, SC 29455-4818
Mailing Address3312 Maybank Hwy, Suite AJohns Island, SC 29455-4818 · (843) 557-1111 · Fax (843) 557-1050
Phone(843) 557-1111
Fax(843) 557-1050
Sole ProprietorYes
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1984
Enumeration DateJuly 5, 2006
Last NPPES UpdateApril 10, 2012
✔ NPI 1891726287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SC · 13235
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3312 MAYBANK HWY, Johns Island, SC 29455
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Other Identifiers 4

MedicaidGP3693SC
Medicare UPINB92075SC
Medicare ID-Type UnspecifiedB920757666SC · Medicare
Medicaid132350SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

David Seignious 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 ID9537155585
PECOS Enrollment IDI20040423000786
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
367 services172 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.
144 services82 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
86 services86 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
78 services76 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
46 services46 patients

Hospital Affiliations CMS Care Compare 4

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420065
Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County
Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420087
Location316 Calhoun StCharleston, SC 29401 · Charleston County
Emergency services

Mount Pleasant Hospital

Acute Care Hospitals · Mount Pleasant, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420104
Location3510 Highway 17 North Suite 140Mount Pleasant, SC 29466 · Charleston County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29455 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers11 claims28 services$6.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

DAVID W SEIGNIOUS MD LLC
Internal Medicine
3312 MAYBANK HWY, SUITE A
JOHNS ISLAND, SC 29455
Charleston County (843) 557-1111
NATALIE EMANUEL N.P.
Nurse Practitioner
3312 MAYBANK HWY, SUITE A
JOHNS ISLAND, SC 29455
Charleston County (843) 557-1111

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 David Seignious's NPI number?

The NPI number for David Seignious is 1891726287. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is David Seignious located?

David Seignious practices at 3312 Maybank Hwy Suite A, Johns Island, SC 29455. The listed phone number is (843) 557-1111.

What is David Seignious's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is David Seignious enrolled in Medicare?

Yes. David Seignious 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 David Seignious accept?

Health plans from UnitedHealthcare list David Seignious 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 David Seignious affiliated with any hospitals?

According to CMS data, David Seignious is affiliated with Musc Medical Center, Bon Secours-St Francis Xavier Hospital, Roper Hospital and Mount Pleasant Hospital.

When was this NPI record last updated?

The NPPES record for David Seignious was last updated on April 10, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.