Doctor profile · Federal record

Dr. Woojin Han

Internal Medicine Physician (CMS: Internal Medicine) · Columbia, SC

  • NPI 1790340511
  • Accepts Medicare
  • MIPS 95.3 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1301 Taylor St Ste 8A
Columbia, SC 292012955
(803) 929-2955
fax (803) 929-2979
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
July 18, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
South Carolina #90048

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790340511. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
163
Distinct HCPCS
5
Medicare allowed
$18,333
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 63 52 $119
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $157
99497 Advance care planning, first 30 minutes 32 31 $78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 25 25 $121
G0008 Administration of influenza virus vaccine 11 11 $29

In context: peer comparison

Among 57 peers in Columbia Internal Medicine Physician, average services per provider: 697. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$748
Transactions
25
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 4 $158.64
Lilly USA, LLC 3 $152.50
Phathom Pharmaceuticals, INC. 1 $127.39
Exact Sciences Corporation 3 $50.24
AstraZeneca Pharmaceuticals Lp 3 $43.16
Abbvie INC. 3 $41.32
Bayer Healthcare Pharmaceuticals INC. 2 $38.28
CeQur Corporation 1 $28.29
Axsome Therapeutics, INC. 1 $25.22
Corcept Therapeutics 1 $24.02
Novo Nordisk INC 1 $24.00
Novartis Pharmaceuticals Corporation 1 $18.75
Xeris Pharmaceuticals, INC. 1 $15.78

By nature of payment

Food and Beverage
$748

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
11
Total drug cost
$876
Drug Type Claims Patients Total cost
Gabapentin Generic 14 0 $228
Losartan Potassium Generic 14 11 $296
Tramadol Hcl Generic 12 0 $80
Amlodipine Besylate Generic 11 0 $141
Fluticasone Propionate Generic 11 0 $130

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Woojin Han's medical specialty?
Dr. Woojin Han practices Internal Medicine Physician in Columbia, SC.
Where does Dr. Woojin Han practice?
Dr. Woojin Han practices at 1301 Taylor St Ste 8A, Columbia, SC 292012955. Office phone: 8039292955.
What is Dr. Woojin Han's NPI?
Dr. Woojin Han's National Provider Identifier (NPI) is 1790340511, issued by NPPES.
Does Dr. Woojin Han accept Medicare assignment?
Yes. Dr. Woojin Han accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Woojin Han commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.