NPPES file of Aug 9, 2026

Maria T. Yu, M.D.

Psychiatry Physician · Columbia, SC

Maria T. Yu, M.D. is a psychiatry physician with a practice address in Columbia, South Carolina, and NPI 1285650960, issued on Jul 14, 2006. Check the license (South Carolina 21794, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285650960
Name
Maria T. Yu
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
21794 SC
Self-reported in NPPES; status is on the state search
Practice location
220 Faison Dr, Columbia, SC 29203
Phone
(803) 898-8405
Enumerated
Jul 14, 2006
Record last updated
Apr 15, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
217946 SC
Medicare enrollment
Enrolled (PECOS I20040609001016); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 891 in South Carolina → Look up another NPI →

Also registered at 220 Faison Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dale Adair, MDPsychiatry Physician1861506321
  2. Shahnaz Alvi, MDGeneral Practice Physician1841244654
  3. Elizabeth Baker, M.D.Child & Adolescent Psychiatry Physician1447409735
  4. Silvia Bloch, MDPsychiatry Physician1235189150
  5. Rhonwyn Carson-Moore, PHDPsychologist1841342086
  6. Tresvant ClarkSocial Worker1891634101

Verify Maria T. Yu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 21794    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average psychiatry physician in 2024

213 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Maria Yu213
  2. Specialty average1,000

Most prescribed

  1. Benztropine Mesylate34 claims
  2. Olanzapine29 claims
  3. Lorazepam24 claims
  4. Olanzapine Odt16 claims
  5. Fluphenazine Hcl12 claims
  6. Clozapine11 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.

Industry payments in 2024: $122.82

1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, 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.

  1. Maria Yu$122.82
  2. Specialty average$4,954.93

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

  1. South Carolina Dept OF Mental Health Accounting OfficeColumbia, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria T. Yu among 891 psychiatry physician records in South Carolina

Maria T. Yu, 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 63% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1993 · median 2007 among the 365 with a school on file
  • Record last updated2009 · 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

  1. James Bouknight, M.D.Columbia, SC 292031174584916
  2. Jeffery Brandenburg, MDColumbia, SC 292031659345379
  3. Robert Breen, M.D.Columbia, SC 292031427019181
  4. Nioaka Campbell, M.D.Columbia, SC 292031083675615
  5. Leslie Frinks, M.D.Columbia, SC 292031699738591
  6. Marilee Griswold, M.D.Columbia, SC 292031821068719
  7. Richard Harding, M.D.Columbia, SC 292031356301923
  8. Jo Marturano, M.D.Columbia, SC 292031609875244

Common questions

What is Maria T. Yu, M.D.'s NPI number?

Maria T. Yu, M.D.'s National Provider Identifier (NPI) is 1285650960, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria T. Yu, M.D. located?

The NPPES record lists a practice address at 220 Faison Dr, Columbia, SC, 29203. Phone: (803) 898-8405. Providers update this record themselves, so call before visiting.

How can I verify Maria T. Yu, M.D.'s license?

NPPES lists South Carolina license number 21794, 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 Maria T. Yu, M.D. prescribe under Medicare Part D?

In 2024, Maria T. Yu, M.D. had 213 Medicare Part D claims for 17 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.