Doctor profile · Federal record

Dr. Seth Osenkarski, MSN, APRN, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Charleston, SC

  • NPI 1649819608
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
59 George St
Charleston, SC 294011422
(843) 720-8523
Additional location
2550 Elms Center RD
N Charleston, SC 294069844
(843) 302-8840
fax (843) 818-2188
Mailing address
Po Box 530062
Atlanta, GA 303530062

Credentials & registration

NPPES · NUCC
NPI registered
December 2019 — 7 yrs on file
Profile last updated
March 15, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Carolina #23106
Medicaid
SC #NP6773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649819608. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,651
Distinct HCPCS
10
Medicare allowed
$67,797
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 691 614 $72
J1100 Injection, dexamethasone sodium phosphate, 1 mg 325 38 $0
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 150 145 $50
96372 Injection of drug or substance under skin or into muscle 103 98 $11
81003 Automated urinalysis test 91 83 $2
J1885 Injection, ketorolac tromethamine, per 15 mg 82 25 $1
87502 Detection test by nucleic acid for multiple types influenza virus 74 72 $94
36415 Insertion of needle into vein for collection of blood sample 30 30 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 24 24 $8
J2920 Injection, methylprednisolone sodium succinate, up to 40 mg 20 19 $4

In context: peer comparison

Among 70 peers in Charleston Family Nurse Practitioner, average services per provider: 309. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
650
Patients
628
Total drug cost
$7,229
Drug Type Claims Patients Total cost
Prednisone Generic 140 132 $271
Ipratropium Bromide Generic 106 103 $2,957
Doxycycline Monohydrate Generic 77 74 $1,022
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 63 60 $670
Azithromycin Generic 46 46 $225
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 30 30 $722
Tizanidine Hcl Generic 30 28 $81
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 28 28 $424
Methylprednisolone Generic 24 24 $175
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 24 24 $242

Frequently asked questions

Auto-generated from federal data
What is Dr. Seth Osenkarski's medical specialty?
Dr. Seth Osenkarski practices Family Nurse Practitioner in Charleston, SC.
Where does Dr. Seth Osenkarski practice?
Dr. Seth Osenkarski practices at 59 George St, Charleston, SC 294011422. Office phone: 8437208523.
What is Dr. Seth Osenkarski's NPI?
Dr. Seth Osenkarski's National Provider Identifier (NPI) is 1649819608, issued by NPPES.
Does Dr. Seth Osenkarski accept Medicare assignment?
Yes. Dr. Seth Osenkarski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Seth Osenkarski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635). Source: CMS Medicare Physician & Other Practitioners file.