Doctor profile · Federal record
Dr. David Seignious, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Johns Island, SC
- NPI 1891726287
- Accepts Medicare
- 42 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3312 Maybank Hwy, Suite A
Johns Island, SC 294554818
(843) 557-1111
fax (843) 557-1050
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 10, 2012
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- South Carolina #13235
- Medicaid (2)
- SC #GP3693 · SC #132350
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891726287. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
819
Distinct HCPCS
7
Medicare allowed
$87,696
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 380 | 192 | $120 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 170 | 101 | $85 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 99 | 99 | $169 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 80 | 78 | $13 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 63 | 63 | $121 | |
81002 |
Urinalysis, manual test | 14 | 11 | $3 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $157 |
In context: peer comparison
Among 2 peers in Johns Island Internal Medicine Physician, average services per provider: 88. This provider delivers 9.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
906
Patients
311
Total drug cost
$10,992
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 118 | 46 | $567 |
| Atorvastatin Calcium | Generic | 116 | 43 | $1,658 |
| Levothyroxine Sodium | Generic | 102 | 28 | $1,801 |
| Lisinopril | Generic | 87 | 30 | $656 |
| Losartan Potassium | Generic | 73 | 27 | $1,144 |
| Simvastatin | Generic | 72 | 27 | $1,067 |
| Metformin Hcl | Generic | 65 | 26 | $419 |
| Metoprolol Succinate | Generic | 49 | 17 | $895 |
| Hydrochlorothiazide | Generic | 39 | 16 | $184 |
| Tamsulosin Hcl | Generic | 33 | 14 | $367 |
Frequently asked questions
What is Dr. David Seignious's medical specialty?
Dr. David Seignious practices Internal Medicine Physician in Johns Island, SC.
Where does Dr. David Seignious practice?
Dr. David Seignious practices at 3312 Maybank Hwy, Johns Island, SC 294554818. Office phone: 8435571111.
What is Dr. David Seignious's NPI?
Dr. David Seignious's National Provider Identifier (NPI) is 1891726287, issued by NPPES.
Does Dr. David Seignious accept Medicare assignment?
Yes. Dr. David Seignious accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Seignious commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.