Michael Dean Sigsworth, M.D.
Psychiatry Physician · Columbia, SC
Michael Dean Sigsworth, M.D. is a psychiatry physician with a practice address in Columbia, South Carolina, and NPI 1528449394, issued on Jun 17, 2015. Check the license (South Carolina LL38482, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Dean Sigsworth
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- LL38482 SC
Self-reported in NPPES; status is on the state search - Practice location
- 15 Medical Park, Ste 141, Columbia, SC 29203
- Phone
- (803) 434-1433
- Enumerated
- Jun 17, 2015
- Record last updated
- Jun 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (803) 434-4062
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 891 in South Carolina → Look up another NPI →
Also registered at 15 Medical Park, Ste 141
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aubrey Sowell, M.D.Psychiatry Physician1932513462
Verify Michael Dean Sigsworth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license LL38482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
84 Medicare Part D claims for 22 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $451.03
20 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Michael Dean Sigsworth among 891 psychiatry physician records in South Carolina
Michael Dean Sigsworth, M.D. is one of 891 psychiatry physician records with a practice address in South Carolina. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 62% of them.
- NPI issued2015 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2015 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
171 psychiatry physician records list a practice address in Columbia
They are 171 of the 11,200 NPPES records with a practice address in Columbia, and 891 psychiatry physician records in South Carolina.
All 891 in South Carolina → Every provider in Columbia → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- James Bouknight, M.D.Columbia, SC 292031174584916
- Jeffery Brandenburg, MDColumbia, SC 292031659345379
- Robert Breen, M.D.Columbia, SC 292031427019181
- Nioaka Campbell, M.D.Columbia, SC 292031083675615
- Leslie Frinks, M.D.Columbia, SC 292031699738591
- Marilee Griswold, M.D.Columbia, SC 292031821068719
- Richard Harding, M.D.Columbia, SC 292031356301923
- Jo Marturano, M.D.Columbia, SC 292031609875244
Common questions
What is Michael Dean Sigsworth, M.D.'s NPI number?
Michael Dean Sigsworth, M.D.'s National Provider Identifier (NPI) is 1528449394, issued on Jun 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michael Dean Sigsworth, M.D. located?
The NPPES record lists a practice address at 15 Medical Park, Ste 141, Columbia, SC, 29203. Phone: (803) 434-1433. Providers update this record themselves, so call before visiting.
How can I verify Michael Dean Sigsworth, M.D.'s license?
NPPES lists South Carolina license number LL38482, 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 Michael Dean Sigsworth, M.D. prescribe under Medicare Part D?
In 2024, Michael Dean Sigsworth, M.D. had 84 Medicare Part D claims for 22 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.