Woojin Han
Internal Medicine Physician · Columbia, SC
Woojin Han is an internal medicine physician with a practice address in Columbia, South Carolina, and NPI 1790340511, issued on May 7, 2019. Check the license (South Carolina 90048, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Woojin Han
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 90048 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Taylor St Ste 8A, Columbia, SC 29201
- Phone
- (803) 929-2955
- Enumerated
- May 7, 2019
- Record last updated
- Jul 18, 2023
- Fax
- (803) 929-2979
- Medicare enrollment
- Enrolled (PECOS I20250415003304); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 1301 Taylor St Ste 8A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gwendolyn Bowers, D.O.Internal Medicine Physician1306026554
- Robert Brown, MDInternal Medicine Physician1316960040
- Zachariah Dorsch, LPCProfessional Counselor1649720764
- Laura Hamilton, M.D.Internal Medicine Physician1033390661
- Shakilya Khalif, FNP-BCFamily Nurse Practitioner1013335884
- Kayla Lafaver, DOInternal Medicine Physician1598256307
Verify Woojin Han in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 90048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,433 Medicare Part D claims for 285 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 101 claims were for opioids.
Most prescribed
- Amlodipine Besylate102 claims
- Losartan Potassium88 claims
- Atorvastatin Calcium79 claims
- Rosuvastatin Calcium77 claims
- Levothyroxine Sodium63 claims
- Furosemide59 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 99.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $747.59
25 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Privia Medical Group OF Georgia LLCThomasville, GA
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Woojin Han among 1,881 internal medicine physician records in South Carolina
Woojin Han is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 72% of them.
- NPI issued2019 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2006 among the 1,119 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
269 internal medicine physician records list a practice address in Columbia
They are 269 of the 11,200 NPPES records with a practice address in Columbia, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Columbia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adelero Adebajo, M.D.Columbia, SC 292011013089572
- Linda Bell, M.D.Columbia, SC 292011235296674
- Robert Brown, MDColumbia, SC 292011316960040
- Nehal Desai, MDColumbia, SC 292011801855622
- Francis Goldstein, MDColumbia, SC 292011326030289
- Jeffrey Hook, MDColumbia, SC 292011265409189
- Gregory Hooks, MDColumbia, SC 292011629037320
- Leroy Huffman, MDColumbia, SC 292011881689032
Common questions
What is Woojin Han's NPI number?
Woojin Han's National Provider Identifier (NPI) is 1790340511, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Woojin Han located?
The NPPES record lists a practice address at 1301 Taylor St Ste 8A, Columbia, SC, 29201. Phone: (803) 929-2955. Providers update this record themselves, so call before visiting.
How can I verify Woojin Han's license?
NPPES lists South Carolina license number 90048, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Woojin Han prescribe under Medicare Part D?
In 2024, Woojin Han had 2,433 Medicare Part D claims for 285 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Woojin Han's MIPS final score?
The 2023 MIPS final score is 99.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.