Marjan Karegar, M.D.
Specialist · Columbia, SC
Marjan Karegar, M.D. is a specialist with a practice address in Columbia, South Carolina, and NPI 1669621884, issued on Sep 11, 2008. Check the license (South Carolina 34132, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marjan Karegar
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 34132 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1740 St. Julian Plance, Columbia, SC 29204
- Phone
- (803) 256-3534
- Enumerated
- Sep 11, 2008
- Record last updated
- Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (803) 254-7032
- Medicare enrollment
- Enrolled (PECOS I20120724000173); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 354 in South Carolina → Look up another NPI →
Verify Marjan Karegar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 34132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average specialist in 2024
4,819 Medicare Part D claims for 744 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Levothyroxine Sodium919 claims
- Mounjaro375 claims
- Methimazole347 claims
- Nano 2nd Gen Pen Needle173 claims
- Humalog Kwikpen U-100163 claims
- Lantus Solostar160 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: $2,714.81
133 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,844 providers of this specialty with any payment received $4,760.79 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 one group practice
- Laurel Endocrine Thyroid Specialist IncColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marjan Karegar among 354 specialist records in South Carolina
Marjan Karegar, M.D. is one of 354 specialist records with a practice address in South Carolina. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 35% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileYes · 16% of these records are
- Graduated1999 · median 1990 among the 57 with a school on file
- Record last updated2020 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in South Carolina
There are 354 specialist records in South Carolina.
All 354 in South Carolina → Every provider in Columbia → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- William Allen, MDColumbia, SC 292041700856218
- Willie Boyd, MDColumbia, SC 292041770546574
- James Brennan, M.D.Columbia, SC 292041477533933
- Jacquelyn ClarkColumbia, SC 292041245768415
- Eric Horst, M.D.Columbia, SC 292041922088483
- Laura Laboone, MDColumbia, SC 292041932364767
- Edward Leppard, MDColumbia, SC 292041891765392
- Claude Smith, MDColumbia, SC 292041922079144
Common questions
What is Marjan Karegar, M.D.'s NPI number?
Marjan Karegar, M.D.'s National Provider Identifier (NPI) is 1669621884, issued on Sep 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marjan Karegar, M.D. located?
The NPPES record lists a practice address at 1740 St. Julian Plance, Columbia, SC, 29204. Phone: (803) 256-3534. Providers update this record themselves, so call before visiting.
How can I verify Marjan Karegar, M.D.'s license?
NPPES lists South Carolina license number 34132, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Marjan Karegar, M.D. prescribe under Medicare Part D?
In 2024, Marjan Karegar, M.D. had 4,819 Medicare Part D claims for 744 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Marjan Karegar, M.D.'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.